/* ==========================================================================
   WDFalconer Consulting
   --------------------------------------------------------------------------
   Type      Switzer only. 400 body, 500 meta, 600/700 headings.
   Ground    White, with deep-slate full-bleed bands for statements and proof.
   Accent    Brand orange. One saturated element per view.
   Motion    Reveal on enter, parallax on watermarks. Reduced-motion honoured.
   Rules     No serif. No eyebrows. No pills. No uppercase micro-labels.
   ========================================================================== */

:root {
  /* ---- ground ---- */
  --white:      #FFFFFF;
  --paper:      #FFFFFF;
  --paper-2:    #F5F5F3;
  --dark:       #141B1A;
  --dark-2:     #1C2523;

  /* ---- ink ---- */
  --ink:        #15191A;
  --text:       #52585A;
  --muted:      #8A9092;
  --rule:       #E4E4E0;
  --rule-dark:  #2E3937;

  /* ---- on dark ---- */
  --ink-rev:    #FFFFFF;
  --text-rev:   #B7BFBD;
  --muted-rev:  #869090;

  /* ---- accent ---- */
  --accent:     #E96717;
  --accent-deep:#C4530E;
  --accent-wash:#FBEADE;
  --slate:      #526364;

  /* ---- type ---- */
  --sans: "Switzer", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --step--1: clamp(0.875rem, 0.86rem + 0.08vw, 0.925rem);
  --step-0:  clamp(1rem, 0.98rem + 0.12vw, 1.075rem);
  --step-1:  clamp(1.14rem, 1.08rem + 0.3vw, 1.32rem);
  --step-2:  clamp(1.4rem, 1.26rem + 0.7vw, 1.9rem);
  --step-3:  clamp(1.8rem, 1.5rem + 1.45vw, 2.7rem);
  --step-4:  clamp(2.4rem, 1.9rem + 2.5vw, 4rem);

  /* ---- layout ---- */
  --measure: 64ch;
  --pad: clamp(1.25rem, 5vw, 3.5rem);
  --gutter: clamp(2.25rem, 6vw, 6rem);
  --section-y: clamp(4rem, 8vw, 7.5rem);
}

/* --------------------------------------------------------------- reset */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--step-0);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

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

.wrap { max-width: 1200px; margin-inline: auto; padding-inline: var(--pad); }
.wrap-narrow { max-width: 940px; margin-inline: auto; padding-inline: var(--pad); }

/* --------------------------------------------------------------- header */

.site-head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
}

.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.6rem;
  flex-wrap: wrap;
  transition: padding 0.3s ease;
}

.site-head.stuck {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom-color: var(--rule);
}

.site-head.stuck .wrap { padding-block: 0.95rem; }

.mark { display: block; line-height: 0; }
.mark img { width: 190px; max-width: 52vw; transition: width 0.3s ease; }
.site-head.stuck .mark img { width: 168px; }

.mark .rev { display: none; }

.site-nav {
  display: flex;
  align-items: baseline;
  gap: clamp(1.1rem, 2.6vw, 2.25rem);
  font-size: var(--step--1);
  font-weight: 500;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--text);
  padding-bottom: 4px;
  position: relative;
  transition: color 0.18s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after,
.site-nav a.here::after { transform: scaleX(1); }
.site-nav a.here { color: var(--ink); }

/* header sitting over a dark hero */
body.dark-top .site-head:not(.stuck) .site-nav a { color: var(--text-rev); }
body.dark-top .site-head:not(.stuck) .site-nav a:hover { color: #fff; }
body.dark-top .site-head:not(.stuck) .mark .std { display: none; }
body.dark-top .site-head:not(.stuck) .mark .rev { display: block; }

/* --------------------------------------------------------------- type */

h1, h2, h3, h4 {
  font-family: var(--sans);
  color: var(--ink);
  margin: 0 0 0.6em;
  text-wrap: balance;
}

h1 {
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.032em;
  max-width: 18ch;
}

h2 {
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.026em;
  max-width: 20ch;
}

h3 {
  font-size: var(--step-1);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.014em;
  margin-bottom: 0.4em;
}

h4 {
  font-size: var(--step-0);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.006em;
  margin-bottom: 0.35em;
}

p { margin: 0 0 1em; max-width: var(--measure); }
p:last-child { margin-bottom: 0; }

.lede {
  font-size: var(--step-1);
  line-height: 1.5;
  max-width: 54ch;
}

.statement {
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.026em;
  color: var(--ink);
  max-width: 22ch;
  margin: 0;
}

.small { font-size: var(--step--1); color: var(--muted); max-width: 52ch; }

strong { font-weight: 600; color: var(--ink); }

/* --------------------------------------------------------------- sections */

section {
  padding-block: var(--section-y);
  position: relative;
  overflow: hidden;
}

.hero {
  padding-top: clamp(8rem, 15vw, 12rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
}

.tinted { background: var(--paper-2); }
.ruled { border-top: 1px solid var(--rule); }

/* ---- dark bands ---- */

.dark {
  background: var(--dark);
  color: var(--text-rev);
}

.dark h1, .dark h2, .dark h3, .dark h4,
.dark .statement, .dark strong { color: var(--ink-rev); }

.dark .small, .dark .art-cap, .dark cite { color: var(--muted-rev); }
.dark .rule-draw { background: var(--rule-dark); }
.dark .client-list { border-top-color: var(--rule-dark); }
.dark .client-list li { border-bottom-color: var(--rule-dark); color: var(--ink-rev); }
.dark .btn-quiet { color: var(--ink-rev); border-color: var(--rule-dark); }
.dark .btn-quiet:hover { color: var(--accent); border-color: var(--accent); }
.dark .plain-list li { color: var(--text-rev); }

/* --------------------------------------------------------------- watermark */

.wm {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  opacity: 0.2;
  will-change: transform;
  line-height: 0;
}

.wm > img, .wm > svg { width: 100%; height: auto; display: block; }

.dark .wm { opacity: 0.15; }

.wm-right { right: -6%; top: 50%; width: min(52%, 660px); transform: translateY(-50%); }
.wm-hero  { right: -14%; top: 58%; width: min(74%, 980px); transform: translateY(-50%); }
.wm-left  { left: -10%; top: 50%; width: min(56%, 700px); transform: translateY(-50%); }
.wm-wide  { left: 50%; top: 50%; width: min(130%, 1800px); transform: translate(-50%, -50%); }

section > .wrap, section > .wrap-narrow { position: relative; z-index: 1; }

@media (max-width: 820px) {
  .wm { opacity: 0.08; }
}

/* --------------------------------------------------------------- layout */

.split {
  display: grid;
  gap: var(--gutter);
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
}

.split-even {
  display: grid;
  gap: var(--gutter);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
}

.flip > *:first-child { order: 2; }

.cols {
  display: grid;
  gap: clamp(1.75rem, 3.5vw, 3.25rem);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  margin-top: 3rem;
}

.cols p { max-width: 42ch; font-size: var(--step--1); line-height: 1.58; }

@media (max-width: 860px) {
  .split, .split-even { grid-template-columns: 1fr; }
  .flip > *:first-child { order: 0; }
}

/* --------------------------------------------------------------- rules */

.rule-draw {
  height: 1px;
  width: 100%;
  background: var(--rule);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
  margin-block: 0;
}

.rule-draw.in { transform: scaleX(1); }

/* --------------------------------------------------------------- steps */

.steps { list-style: none; padding: 0; margin: 3rem 0 0; counter-reset: s; }

.steps li {
  counter-increment: s;
  border-top: 1px solid var(--rule);
  padding-block: 1.75rem;
  display: grid;
  grid-template-columns: 3.75rem 1fr;
  gap: 0 1.25rem;
  align-items: start;
}

.steps li::before {
  content: counter(s, decimal-leading-zero);
  font-size: var(--step-0);
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding-top: 0.25em;
}

.steps li:last-child { border-bottom: 1px solid var(--rule); }
.steps p { font-size: var(--step--1); line-height: 1.58; margin: 0; max-width: 60ch; }

/* --------------------------------------------------------------- services */

.service {
  border-top: 1px solid var(--rule);
  padding-block: clamp(2.5rem, 4.5vw, 4rem);
  display: grid;
  grid-template-columns: 3.75rem minmax(0, 0.68fr) minmax(0, 1.45fr);
  gap: 0 clamp(1.25rem, 3.5vw, 3.25rem);
  align-items: start;
}

.service:last-of-type { border-bottom: 1px solid var(--rule); }

.service .num {
  font-size: var(--step-0);
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding-top: 0.3em;
}

.service h2 { font-size: var(--step-2); margin: 0; max-width: 15ch; }

@media (max-width: 940px) {
  .service { grid-template-columns: 3rem 1fr; }
  .service > div:last-child { grid-column: 2; margin-top: 1.1rem; }
}

/* --------------------------------------------------------------- lists */

.plain-list { list-style: none; padding: 0; margin: 1.4rem 0 0; }

.plain-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  font-size: var(--step--1);
  line-height: 1.58;
  max-width: 58ch;
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1.5px;
  background: var(--accent);
}

.client-list {
  list-style: none;
  padding: 0;
  margin: 3rem 0 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
}

@media (max-width: 1100px) { .client-list { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .client-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .client-list { grid-template-columns: 1fr; } }

.client-list li {
  border-bottom: 1px solid var(--rule);
  padding: 1.05rem 1rem 1.05rem 0;
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--ink);
  display: flex;
  align-items: center;
  min-height: 3.4rem;
}

/* --------------------------------------------------------------- buttons */

.actions { display: flex; gap: 0.85rem; flex-wrap: wrap; align-items: center; margin-top: 2.4rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: inherit;
  font-size: var(--step-0);
  font-weight: 500;
  letter-spacing: -0.008em;
  padding: 0.82rem 1.55rem;
  border-radius: 3px;
  border: 1.5px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn::after {
  content: "→";
  font-size: 0.95em;
  line-height: 1;
  transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
}

.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.btn:hover::after { transform: translateX(4px); }

.btn-quiet {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

.btn-quiet:hover { background: transparent; color: var(--accent); border-color: var(--accent); }

.textlink {
  color: var(--accent);
  position: relative;
  padding-bottom: 1px;
}

.textlink::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.textlink:hover::after { transform: scaleX(1); }

/* --------------------------------------------------------------- quote */

.pull { margin: 0; padding: 0; max-width: 40ch; }

.pull p {
  font-size: var(--step-2);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.024em;
  color: var(--ink);
  margin: 0 0 1rem;
  max-width: none;
}

.dark .pull p { color: var(--ink-rev); }

.pull cite { font-style: normal; font-size: var(--step--1); color: var(--muted); }

/* --------------------------------------------------------------- art */

.art { position: relative; }
.art svg, .art img { width: 100%; }

.art-cap { font-size: var(--step--1); color: var(--muted); margin-top: 1rem; max-width: 44ch; }

.art-fig { margin: 2.75rem 0 0; }
.art-fig .scrollx { border: 1px solid var(--rule); background: var(--white); margin: 0; }
.lane-svg { display: block; width: 100%; min-width: 46rem; height: auto; }

/* --------------------------------------------------------------- tables */

.scrollx { overflow-x: auto; margin-block: 1.1rem; }

table.data {
  border-collapse: collapse;
  width: 100%;
  min-width: 30rem;
  font-size: var(--step--1);
  font-variant-numeric: tabular-nums;
}

table.data th {
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1.5px solid var(--ink);
  padding: 0 1rem 0.55rem 0;
}

table.data td {
  border-bottom: 1px solid var(--rule);
  padding: 0.75rem 1rem 0.75rem 0;
  vertical-align: top;
}

table.data td:first-child { color: var(--ink); font-weight: 500; white-space: nowrap; padding-right: 1.75rem; }

/* --------------------------------------------------------------- form */

.form { max-width: 35rem; }
.field { margin-bottom: 1.35rem; }

.field label {
  display: block;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.45rem;
}

.field .hint { font-weight: 400; color: var(--muted); }

.field input, .field textarea, .field select {
  width: 100%;
  font-family: inherit;
  font-size: var(--step-0);
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.75rem 0.9rem;
  line-height: 1.5;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-wash);
}

.field textarea { min-height: 9.5rem; resize: vertical; }

.hp { position: absolute; left: -9999px; opacity: 0; }

.form-note { font-size: var(--step--1); color: var(--muted); margin-top: 1.2rem; max-width: 44ch; }

.form-status {
  margin-top: 1.2rem;
  padding: 0.85rem 1rem;
  border-left: 2px solid var(--accent);
  background: var(--accent-wash);
  font-size: var(--step--1);
  color: var(--ink);
}

.form-status.bad { border-color: #9B3423; background: #F9E9E5; }

/* --------------------------------------------------------------- footer */

.site-foot {
  border-top: 1px solid var(--rule);
  padding: 3rem 0 3.75rem;
  font-size: var(--step--1);
  color: var(--muted);
}

.site-foot .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.site-foot a { color: var(--muted); transition: color 0.18s ease; }
.site-foot a:hover { color: var(--accent); }

.foot-brand { display: flex; align-items: center; gap: 0.9rem; }
.foot-brand img { width: 46px; }

.foot-nav { display: flex; gap: 1.5rem; flex-wrap: wrap; font-weight: 500; }

/* --------------------------------------------------------------- motion */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.in { opacity: 1; transform: none; }

/* staggered children */
.stagger > * { opacity: 0; transform: translateY(14px); }

.stagger.in > * {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.stagger.in > *:nth-child(1) { transition-delay: 0ms; }
.stagger.in > *:nth-child(2) { transition-delay: 70ms; }
.stagger.in > *:nth-child(3) { transition-delay: 140ms; }
.stagger.in > *:nth-child(4) { transition-delay: 210ms; }
.stagger.in > *:nth-child(5) { transition-delay: 280ms; }
.stagger.in > *:nth-child(6) { transition-delay: 350ms; }
.stagger.in > *:nth-child(7) { transition-delay: 420ms; }
.stagger.in > *:nth-child(8) { transition-delay: 490ms; }

/* svg route draw-in */
.draw-path {
  stroke-dasharray: var(--len, 1200);
  stroke-dashoffset: var(--len, 1200);
}

.in .draw-path,
.draw-run .draw-path {
  animation: draw 1.5s cubic-bezier(0.33, 1, 0.68, 1) forwards;
}

@keyframes draw { to { stroke-dashoffset: 0; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .stagger > * { opacity: 1 !important; transform: none !important; transition: none !important; }
  .rule-draw { transform: scaleX(1) !important; transition: none !important; }
  .draw-path { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; animation: none !important; }
  .wm { transform: none !important; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}