/* =========================================================
   Digital Desk Services — Main Stylesheet
   Aesthetic: Editorial-tech. Warm paper, deep ink, vermillion accent.
   Typography: Fraunces (display serif) + IBM Plex Sans + IBM Plex Mono.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --ink:          #0B0B0B;
  --ink-soft:     #2A2A28;
  --ink-muted:    #6B6863;
  --paper:        #F5EFE4;
  --paper-dim:    #EBE4D4;
  --paper-deep:   #E0D7C2;
  --rule:         #CFC6B5;
  --rule-soft:    #D9D1BF;
  --accent:       #C83E22;
  --accent-hover: #8F2C18;
  --teal:         #1D4D4F;
  --teal-soft:    #2B6568;

  /* Type */
  --f-display: "Fraunces", "Playfair Display", Georgia, serif;
  --f-body:    "IBM Plex Sans", "Helvetica Neue", sans-serif;
  --f-mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* Scale */
  --step--1: clamp(0.81rem, 0.78rem + 0.15vw, 0.89rem);
  --step-0:  clamp(0.94rem, 0.88rem + 0.3vw, 1.13rem);
  --step-1:  clamp(1.13rem, 1.03rem + 0.5vw, 1.42rem);
  --step-2:  clamp(1.35rem, 1.2rem + 0.75vw, 1.78rem);
  --step-3:  clamp(1.62rem, 1.39rem + 1.15vw, 2.22rem);
  --step-4:  clamp(1.94rem, 1.61rem + 1.65vw, 2.78rem);
  --step-5:  clamp(2.33rem, 1.86rem + 2.35vw, 3.48rem);
  --step-6:  clamp(2.8rem, 2.14rem + 3.3vw, 4.35rem);
  --step-7:  clamp(3.36rem, 2.45rem + 4.55vw, 5.44rem);
  --step-8:  clamp(4.03rem, 2.8rem + 6.15vw, 6.8rem);

  /* Layout */
  --container: 1320px;
  --container-tight: 960px;
  --container-narrow: 720px;
  --gutter: clamp(1.25rem, 3vw, 2.5rem);

  /* Motion */
  --ease: cubic-bezier(.2,.7,.2,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; cursor: pointer; color: inherit; }
::selection { background: var(--ink); color: var(--paper); }

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--tight { max-width: var(--container-tight); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: var(--container-narrow); margin-inline: auto; padding-inline: var(--gutter); }

.section { padding-block: clamp(4rem, 8vw, 8rem); }
.section--dim { background: var(--paper-dim); }
.section--ink { background: var(--ink); color: var(--paper); }
.section--ink .muted { color: #9d9a94; }

/* ---------- Type ---------- */
.display {
  font-family: var(--f-display);
  font-weight: 340;
  font-variation-settings: "SOFT" 30, "WONK" 0, "opsz" 144;
  letter-spacing: -0.025em;
  line-height: 0.98;
}
.display em {
  font-style: italic;
  font-variation-settings: "SOFT" 100, "WONK" 1, "opsz" 144;
  color: var(--accent);
}
.serif-italic {
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 380;
  font-variation-settings: "SOFT" 100, "WONK" 1, "opsz" 144;
}
.eyebrow {
  font-family: var(--f-mono);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: currentColor;
}
.lede {
  font-size: var(--step-2);
  line-height: 1.35;
  color: var(--ink-soft);
  font-weight: 300;
  letter-spacing: -0.01em;
}
.muted { color: var(--ink-muted); }
.mono { font-family: var(--f-mono); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  background: rgba(245, 239, 228, 0.86);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--rule); }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 2rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.brand__mark {
  width: 38px;
  height: auto;
  flex: 0 0 38px;
  display: block;
}
.brand__mark svg { width: 100%; height: auto; display: block; }
.brand__name { font-weight: 500; }
.brand__dot { color: var(--accent); }

/* On narrow screens, shrink the chevron a touch and tighten the wordmark
   so the header doesn't crowd the menu toggle. */
@media (max-width: 480px) {
  .brand { gap: 0.55rem; font-size: 1rem; }
  .brand__mark { width: 30px; flex: 0 0 30px; }
}

.nav {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  font-size: 0.95rem;
}
.nav a {
  position: relative;
  color: var(--ink-soft);
  transition: color .2s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -4px;
  height: 1px;
  background: var(--accent);
  transition: right .35s var(--ease-out);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { right: 0; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background .2s var(--ease);
}
.nav-cta:hover { background: var(--accent); }
.nav-cta::after { display: none !important; }

.menu-toggle { display: none; }

@media (max-width: 880px) {
  .nav { display: none; position: fixed; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; padding: 2rem var(--gutter); gap: 1.25rem; background: var(--paper); border-bottom: 1px solid var(--rule); font-size: 1.2rem; }
  .nav.is-open { display: flex; }
  .menu-toggle { display: flex; flex-direction: column; gap: 5px; padding: 8px; }
  .menu-toggle span { width: 22px; height: 1.5px; background: var(--ink); transition: transform .3s var(--ease), opacity .3s var(--ease); }
  .menu-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .menu-toggle.is-open span:nth-child(2) { opacity: 0; }
  .menu-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero {
  padding-top: 10rem;
  padding-bottom: 6rem;
  position: relative;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: end;
}
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: 1.4fr 1fr; }
}
.hero h1 {
  font-size: var(--step-8);
  max-width: 14ch;
}
.hero__sub {
  max-width: 42ch;
  margin-top: 2rem;
}
.hero__meta {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-bottom: 0.5rem;
}
.hero__meta-item {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
}
.hero__meta-num {
  font-family: var(--f-display);
  font-size: var(--step-4);
  font-weight: 340;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  flex: 0 0 auto;
}
.hero__meta-label {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

/* Decorative running line — editorial touch */
.hero__rule {
  margin-top: 4rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-muted);
}
.hero__rule hr { flex: 1; border: 0; height: 1px; background: var(--rule); }

/* ---------- Marquee of clients ---------- */
.marquee {
  padding-block: 2rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  position: relative;
  background: var(--paper);
}
.marquee__label {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-muted);
  text-align: center;
  margin-bottom: 1rem;
}
.marquee__track {
  display: flex;
  gap: 4rem;
  align-items: center;
  width: max-content;
  animation: marquee 40s linear infinite;
  font-family: var(--f-display);
  font-weight: 360;
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  letter-spacing: -0.015em;
}
.marquee__track span {
  color: var(--ink-soft);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4rem;
}
.marquee__track span::after {
  content: "◆";
  color: var(--accent);
  font-size: 0.5em;
  opacity: 0.7;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Section header block ---------- */
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 4rem;
}
@media (min-width: 900px) {
  .section-head { grid-template-columns: 1fr 1fr; gap: 4rem; }
}
.section-head h2 {
  font-size: var(--step-6);
  max-width: 14ch;
}

/* ---------- Featured case study (WEX hero block) ---------- */
.featured {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(5rem, 10vw, 10rem);
  overflow: hidden;
}
.featured::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(200,62,34,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 15% 80%, rgba(29,77,79,0.14) 0%, transparent 50%);
  pointer-events: none;
}
.featured__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: start;
}
@media (min-width: 900px) {
  .featured__inner { grid-template-columns: 1fr 1fr; gap: 6rem; }
}
.featured .eyebrow { color: #F5A895; }
.featured h2 {
  font-size: var(--step-7);
  font-family: var(--f-display);
  font-weight: 340;
  letter-spacing: -0.025em;
  line-height: 1;
  margin-top: 1.5rem;
}
.featured__meta {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  font-family: var(--f-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #d9d3c3;
}
.featured__body { font-size: 1.1rem; color: #d9d3c3; max-width: 48ch; }
.featured__body p + p { margin-top: 1.2rem; }
.featured__body strong { color: var(--paper); font-weight: 500; }

.stat-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  border-left: 1px solid rgba(255,255,255,0.15);
}
.stat-grid .stat {
  padding: 1.75rem 1.5rem;
  border-right: 1px solid rgba(255,255,255,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.stat__num {
  font-family: var(--f-display);
  font-size: var(--step-5);
  font-weight: 340;
  color: #F5A895;
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat__label {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #a6a19a;
  margin-top: 0.75rem;
}

/* ---------- Button ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.8rem;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: transform .3s var(--ease), background .3s var(--ease), color .3s var(--ease);
  line-height: 1;
}
.btn--primary {
  background: var(--accent);
  color: var(--paper);
}
.btn--primary:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: inherit;
  border: 1px solid currentColor;
  opacity: 0.95;
}
.btn--ghost:hover { background: var(--paper); color: var(--ink); transform: translateY(-1px); }
.btn--inline {
  padding: 0;
  background: transparent;
  color: currentColor;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
  gap: 0.5rem;
  padding-bottom: 3px;
  transition: gap .3s var(--ease), color .3s var(--ease);
}
.btn--inline:hover { gap: 0.8rem; color: var(--accent); }
.btn__arrow { display: inline-block; transition: transform .3s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- Service grid ---------- */
.services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (min-width: 720px) { .services { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .services { grid-template-columns: repeat(3, 1fr); } }

.service {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
  padding-right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 320px;
}
@media (min-width: 720px) {
  .service { padding-left: 2rem; padding-right: 2rem; border-right: 1px solid var(--rule); }
  .service:nth-child(2n) { border-right: 0; }
}
@media (min-width: 1100px) {
  .service { border-right: 1px solid var(--rule); }
  .service:nth-child(2n) { border-right: 1px solid var(--rule); }
  .service:nth-child(3n) { border-right: 0; }
}

.service__num {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  letter-spacing: 0.2em;
}
.service__title {
  font-family: var(--f-display);
  font-size: var(--step-3);
  font-weight: 360;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.service__body {
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.55;
}
.service__tags {
  margin-top: auto;
  padding-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.tag {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

/* ---------- Case list ---------- */
.case-list { border-top: 1px solid var(--rule); }
.case-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--rule);
  transition: padding .4s var(--ease);
}
.case-item:hover { padding-left: 1rem; }
.case-item__num {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
}
.case-item__title {
  font-family: var(--f-display);
  font-size: var(--step-3);
  font-weight: 360;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.case-item__title em { color: var(--accent); }
.case-item__meta {
  display: flex;
  gap: 1.5rem;
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
@media (max-width: 720px) {
  .case-item { grid-template-columns: 1fr; gap: 0.75rem; }
  .case-item:hover { padding-left: 0; }
}

/* Detail variant — expanded engagement card with body copy and tags */
.case-item--detail {
  align-items: start;
  padding: 2.5rem 0;
}
.case-item--detail .case-item__num { padding-top: 0.4rem; }
.case-item__body {
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-top: 1rem;
  max-width: 64ch;
}
.case-item__tags {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding: 6rem 0 4rem;
  border-bottom: 1px solid var(--rule);
}
.page-hero .display { margin-top: 0.75rem; }
.page-hero .lede { margin-top: 1.75rem; }
@media (max-width: 720px) {
  .page-hero { padding: 4rem 0 2.5rem; }
}

/* ---------- About page prose & beliefs ---------- */
.prose {
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 64ch;
}
.prose .lede {
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 1.75rem;
}
.prose p { margin-bottom: 1.25rem; }
.prose p:last-child { margin-bottom: 0; }

.dropcap {
  float: left;
  font-family: var(--f-display);
  font-size: 4.25rem;
  font-weight: 400;
  line-height: 0.85;
  margin: 0.35rem 0.6rem 0 -0.1rem;
  color: var(--accent);
}

.beliefs { max-width: 64ch; }
.beliefs > h2 { margin-bottom: 2.5rem; }
.belief { margin-bottom: 2.5rem; }
.belief:last-child { margin-bottom: 0; }
.belief h3 {
  font-family: var(--f-display);
  font-size: var(--step-2);
  font-weight: 420;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  color: var(--ink);
}
.belief p {
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* ---------- Testimonial ---------- */
.quote {
  font-family: var(--f-display);
  font-size: var(--step-5);
  font-weight: 340;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 22ch;
}
.quote::before { content: "“"; color: var(--accent); }
.quote__attr {
  margin-top: 2.5rem;
  font-family: var(--f-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.quote__attr::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--ink-muted);
}

/* ---------- Process / Method ---------- */
.process {
  counter-reset: step;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
@media (min-width: 900px) { .process { grid-template-columns: repeat(4, 1fr); } }
.process__step {
  padding: 2rem 1.25rem 2rem 0;
  border-bottom: 1px solid var(--rule);
  counter-increment: step;
  position: relative;
}
@media (min-width: 900px) {
  .process__step { border-right: 1px solid var(--rule); padding: 2rem 1.5rem; }
  .process__step:last-child { border-right: 0; }
}
.process__step::before {
  content: "0" counter(step);
  display: block;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}
.process__title {
  font-family: var(--f-display);
  font-size: var(--step-2);
  font-weight: 360;
  letter-spacing: -0.015em;
  margin-bottom: 0.75rem;
  line-height: 1.1;
}
.process__body { font-size: 0.95rem; color: var(--ink-soft); }

/* ---------- CTA section ---------- */
.cta {
  background: var(--accent);
  color: var(--paper);
  padding-block: clamp(5rem, 10vw, 9rem);
  position: relative;
  overflow: hidden;
}
.cta h2 {
  font-family: var(--f-display);
  font-size: var(--step-7);
  font-weight: 340;
  letter-spacing: -0.025em;
  line-height: 0.95;
  max-width: 18ch;
}
.cta__sub {
  margin-top: 2rem;
  max-width: 44ch;
  font-size: 1.1rem;
  opacity: 0.85;
}
.cta__actions {
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.cta .btn--primary {
  background: var(--ink);
  color: var(--paper);
}
.cta .btn--primary:hover { background: var(--paper); color: var(--accent); }
.cta .btn--ghost { color: var(--paper); border-color: rgba(255,255,255,0.5); }
.cta .btn--ghost:hover { background: var(--paper); color: var(--accent); border-color: var(--paper); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding-top: 5rem;
  padding-bottom: 2.5rem;
}
.footer-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (min-width: 720px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; } }
.footer-brand__name { font-family: var(--f-display); font-size: 1.5rem; font-weight: 400; letter-spacing: -0.02em; margin-bottom: 1rem; }
.footer-brand__text { max-width: 38ch; color: #a6a19a; font-size: 0.95rem; line-height: 1.5; }

.footer-col h4 {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 1.25rem;
  font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { color: #d1cdc4; font-size: 0.95rem; transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--accent); }

.footer-meta {
  padding-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--f-mono);
  font-size: 0.76rem;
  color: #8c877f;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ---------- Scroll reveal (progressive enhancement) ---------- */
/* Items are visible by default. Hidden only when JS flags `html.js-ok` */
.js-ok [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
.js-ok [data-reveal].is-visible { opacity: 1; transform: none; }
.js-ok [data-reveal-delay="1"] { transition-delay: .08s; }
.js-ok [data-reveal-delay="2"] { transition-delay: .16s; }
.js-ok [data-reveal-delay="3"] { transition-delay: .24s; }
.js-ok [data-reveal-delay="4"] { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  .js-ok [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ---------- Page header (sub-pages) ---------- */
.page-header {
  padding-top: 10rem;
  padding-bottom: 5rem;
  border-bottom: 1px solid var(--rule);
}
.page-header h1 {
  font-size: var(--step-7);
  max-width: 18ch;
  margin-top: 1rem;
}
.page-header__lede { margin-top: 2rem; max-width: 50ch; }

/* ---------- Article / rich text ---------- */
.article { max-width: 72ch; }
.article h2 {
  font-family: var(--f-display);
  font-size: var(--step-4);
  font-weight: 360;
  letter-spacing: -0.02em;
  margin-top: 4rem;
  margin-bottom: 1.25rem;
  line-height: 1.1;
}
.article h3 {
  font-family: var(--f-display);
  font-size: var(--step-2);
  font-weight: 400;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.article p { margin-bottom: 1.25rem; color: var(--ink-soft); }
.article p:first-of-type::first-letter {
  font-family: var(--f-display);
  font-weight: 340;
  font-size: 4.5em;
  float: left;
  line-height: 0.85;
  padding-top: 0.1em;
  padding-right: 0.1em;
  color: var(--accent);
}
.article ul { padding-left: 1.25rem; margin-bottom: 1.5rem; color: var(--ink-soft); }
.article ul li { margin-bottom: 0.5rem; }
.article ul li::marker { color: var(--accent); }
.article blockquote {
  font-family: var(--f-display);
  font-size: var(--step-3);
  font-weight: 360;
  line-height: 1.25;
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0 0.5rem 2rem;
  margin: 3rem 0;
  color: var(--ink);
}
.article .dek {
  font-size: var(--step-1);
  color: var(--ink-soft);
  font-weight: 300;
  margin-bottom: 2.5rem;
  line-height: 1.45;
}
.article .dek::first-letter { all: unset; }

/* Pull numbers — inline in article */
.pulls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 3rem 0;
  padding: 2rem;
  background: var(--paper-dim);
  border-left: 3px solid var(--accent);
}
@media (min-width: 720px) { .pulls { grid-template-columns: repeat(3, 1fr); } }
.pulls .stat__num { color: var(--accent); }
.pulls .stat__label { color: var(--ink-muted); }

/* Tech stack chip row */
.stack-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 2rem;
}
.stack-row .tag { background: var(--paper); }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 2rem 0 3rem; border-left: 2px solid var(--rule); }
.timeline li { padding: 0 0 1.75rem 1.5rem; position: relative; color: var(--ink-soft); }
.timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline .t-date {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  display: block;
  margin-bottom: 0.2rem;
}
.timeline .t-title { color: var(--ink); font-weight: 500; }

/* ---------- Contact form ---------- */
.form {
  display: grid;
  gap: 1.5rem;
  max-width: 560px;
}
.form label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-family: var(--f-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}
.form input, .form textarea, .form select {
  font-family: var(--f-body);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 4px;
  transition: border-color .2s var(--ease);
  text-transform: none;
  letter-spacing: 0;
}
.form input:focus, .form textarea:focus, .form select:focus { outline: 0; border-color: var(--accent); }
.form textarea { min-height: 140px; resize: vertical; }
.form button { justify-self: start; }

.contact-grid {
  display: grid;
  gap: 4rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1.2fr 1fr; gap: 5rem; } }

/* ---------- Utility ---------- */
.hide-sm { display: block; }
.hide-md { display: block; }
@media (max-width: 720px) { .hide-sm { display: none; } }
@media (max-width: 960px) { .hide-md { display: none; } }

.divider {
  height: 1px; background: var(--rule); width: 100%; margin: 4rem 0;
}

/* Subtle grain texture on paper sections for tactility */
.grain {
  position: relative;
}
.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}