/* ─────────────────────────────────────────────
   connorlennon.com
   Principles borrowed from emilkowalski/skills:
   custom ease curves, exact transition props,
   scale(0.97) on press, hover gated to fine pointers,
   one entrance per container w/ non-uniform delays,
   blur to bridge crossfades, reduced motion = opacity only.
   ───────────────────────────────────────────── */

:root {
  --bg: #fbfaf7;
  --fg: #141413;
  --muted: #6b6a66;
  --faint: #a3a19b;
  --line: rgba(20, 20, 19, 0.1);
  --hover: rgba(20, 20, 19, 0.045);
  --card: #ffffff;
  --card-shadow: 0 0 0 1px rgba(20, 20, 19, 0.07), 0 1px 2px rgba(20, 20, 19, 0.05), 0 8px 24px -12px rgba(20, 20, 19, 0.12);
  --tab-active-bg: #141413;
  --tab-active-fg: #fbfaf7;
  --accent: #e2553a;          /* warm, like a marker pen */
  --accent-soft: rgba(226, 85, 58, 0.14);
  --live: #22a35a;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Instrument Serif", ui-serif, Georgia, serif;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c0c0d;
    --fg: #ecebe8;
    --muted: #93918b;
    --faint: #5e5d59;
    --line: rgba(255, 255, 255, 0.09);
    --hover: rgba(255, 255, 255, 0.05);
    --card: #151516;
    --card-shadow: 0 0 0 1px rgba(255, 255, 255, 0.07), 0 8px 24px -12px rgba(0, 0, 0, 0.6);
    --tab-active-bg: #ecebe8;
    --tab-active-fg: #0c0c0d;
    --accent: #ff7a5c;
    --accent-soft: rgba(255, 122, 92, 0.16);
    --live: #3ccf7c;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0c0c0d;
  --fg: #ecebe8;
  --muted: #93918b;
  --faint: #5e5d59;
  --line: rgba(255, 255, 255, 0.09);
  --hover: rgba(255, 255, 255, 0.05);
  --card: #151516;
  --card-shadow: 0 0 0 1px rgba(255, 255, 255, 0.07), 0 8px 24px -12px rgba(0, 0, 0, 0.6);
  --tab-active-bg: #ecebe8;
  --tab-active-fg: #0c0c0d;
  --accent: #ff7a5c;
  --accent-soft: rgba(255, 122, 92, 0.16);
  --live: #3ccf7c;
  color-scheme: dark;
}

/* ───── Base / mobile-native floor ───── */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  scroll-padding-top: 32px;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 15.5px/1.65 var(--font);
  font-feature-settings: "cv11", "ss01";
  min-height: 100svh;
}

.no-transitions, .no-transitions * { transition: none !important; }

button, a { touch-action: manipulation; }
button { font: inherit; color: inherit; user-select: none; -webkit-user-select: none; }
a { color: inherit; }
::selection { background: var(--accent); color: #fff; }

:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; border-radius: 6px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.page {
  max-width: 620px;
  margin: 0 auto;
  padding:
    calc(clamp(40px, 9vh, 88px) + env(safe-area-inset-top))
    max(20px, env(safe-area-inset-right))
    calc(40px + env(safe-area-inset-bottom))
    max(20px, env(safe-area-inset-left));
}

.muted { color: var(--muted); margin: 0; }
.label { margin: 0 0 12px; font-size: 13px; font-weight: 500; color: var(--faint); }

/* ───── Header ───── */
.header { display: flex; align-items: center; gap: 12px; }
.avatar {
  flex-shrink: 0;
  width: 40px; height: 40px; border-radius: 999px;
  display: grid; place-items: center;
  background: var(--fg); color: var(--bg);
  font-size: 13px; font-weight: 600;
}
.header-text { flex: 1; min-width: 0; line-height: 1.35; font-size: 14px; }
.name { margin: 0; font-weight: 600; letter-spacing: -0.01em; }

.icon-btn {
  flex-shrink: 0;
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 0; border-radius: 10px;
  background: transparent; color: var(--muted);
  cursor: pointer;
  transition: transform 160ms var(--ease-out), background-color 150ms ease, color 150ms ease;
}
.icon-btn:active { transform: scale(0.94); }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .moon { display: block; }
}

/* ───── Hero ───── */
.hero { margin-top: 56px; }
.hero h1 {
  margin: 0;
  font-size: clamp(30px, 7.2vw, 42px);
  line-height: 1.12;
  font-weight: 500;
  letter-spacing: -0.032em;
  text-wrap: balance;
}
.hero h1 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.1em;
  letter-spacing: -0.015em;
}
.scribble { position: relative; white-space: nowrap; }
.scribble svg {
  position: absolute;
  left: -2%; bottom: -0.12em;
  width: 104%; height: 0.32em;
  overflow: visible;
}
.scribble path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3.5;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
}
.hero-sub {
  margin: 22px 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 16.5px;
  text-wrap: pretty;
}

/* ───── Route ───── */
.route { margin-top: 40px; }
.route ol {
  position: relative;
  list-style: none; margin: 0; padding: 0;
  display: flex; justify-content: space-between;
}
/* The dashed road between the first and last stop. */
.route ol::before {
  content: "";
  position: absolute;
  left: 5px; right: 5px; top: 5px;
  border-top: 1.5px dashed var(--faint);
}
.route li { display: flex; flex-direction: column; align-items: center; }
.route li:first-child { align-items: flex-start; }
.route li:last-child { align-items: flex-end; }
.route a {
  display: flex; flex-direction: column; align-items: inherit; gap: 8px;
  text-decoration: none;
  padding-bottom: 4px;
  transition: transform 160ms var(--ease-out);
}
.route a:active { transform: scale(0.96); }
.stop {
  position: relative;
  width: 11px; height: 11px; border-radius: 999px;
  background: var(--bg);
  border: 1.5px solid var(--faint);
  transition: border-color 150ms ease, background-color 150ms ease;
}
.route [aria-current] .stop {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.city { font-size: 13px; color: var(--muted); transition: color 150ms ease; }
.route [aria-current] .city { color: var(--fg); font-weight: 500; }

/* ───── Tabs (clip-path duplicate technique) ───── */
.block { margin-top: 72px; }
.tabs { position: relative; display: inline-block; margin: 0 0 40px -4px; }
.tab-list { display: flex; gap: 2px; }
.tab-list button,
.tab-list span {
  display: block;
  padding: 7px 14px;
  border: 0; border-radius: 999px;
  background: transparent;
  font-size: 14px; font-weight: 500; line-height: 20px;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: transform 160ms var(--ease-out), color 150ms ease;
}
.tab-list button:active { transform: scale(0.97); }
.tab-list--active {
  position: absolute; inset: 0;
  pointer-events: none;
  background: var(--tab-active-bg);
  border-radius: 999px;
  clip-path: inset(0 100% 0 0 round 999px);
  transition: clip-path 280ms var(--ease-in-out);
}
.tab-list--active span { color: var(--tab-active-fg); }
.tabs[data-instant] .tab-list--active { transition-duration: 0ms; }

@keyframes panel-in { from { opacity: 0; filter: blur(3px); transform: translateY(4px); } }
.panel.is-showing { animation: panel-in 260ms var(--ease-out); }

/* ───── Story timeline ───── */
.story { position: relative; padding-left: 34px; }
.story::before {
  content: "";
  position: absolute;
  left: 5px; top: 10px; bottom: 40px;
  width: 1.5px;
  background: linear-gradient(to bottom, var(--line) 85%, transparent);
}
.chapter { position: relative; }
.chapter + .chapter { margin-top: 64px; }
.chapter::before {
  content: "";
  position: absolute;
  left: -34px; top: 6px;
  width: 12px; height: 12px; border-radius: 999px;
  background: var(--bg);
  border: 1.5px solid var(--faint);
}
.chapter--now::before { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.chapter--next::before { border-style: dashed; }

.kicker {
  margin: 0 0 8px;
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.ch {
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--hover);
  color: var(--muted);
  font-size: 12px; font-weight: 500;
}
.chapter h2 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(27px, 5.6vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.chapter p { margin: 0 0 14px; color: var(--muted); max-width: 65ch; text-wrap: pretty; }

.stats {
  list-style: none; padding: 0;
  margin: 22px 0 0;
  display: flex; flex-wrap: wrap; gap: 14px 32px;
}
.stats li { display: flex; flex-direction: column; }
.stats strong {
  font-size: 22px; font-weight: 600;
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.stats span { font-size: 13px; color: var(--muted); }

.lesson {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--hover);
  font-family: var(--serif);
  font-style: italic;
  font-size: 21px;
  line-height: 1.3;
  color: var(--fg);
  text-wrap: balance;
}
.lesson-label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font);
  font-style: normal;
  font-size: 12px; font-weight: 500;
  color: var(--faint);
}

/* ───── The shrinking-wait demo ───── */
.demo {
  margin: 26px 0 22px;
  padding: 18px 18px 16px;
  border-radius: 18px;
  background: var(--card);
  box-shadow: var(--card-shadow);
}
.demo-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.demo figcaption { font-size: 13px; color: var(--muted); }
.seg {
  display: flex; padding: 2px; gap: 2px;
  border-radius: 999px; background: var(--hover);
}
.seg button {
  padding: 3px 11px;
  border: 0; border-radius: 999px;
  background: transparent;
  font-size: 12.5px; font-weight: 500; color: var(--muted);
  cursor: pointer;
  transition: transform 160ms var(--ease-out), background-color 150ms ease, color 150ms ease, box-shadow 150ms ease;
}
.seg button:active { transform: scale(0.96); }
.seg [aria-pressed="true"] { background: var(--card); color: var(--fg); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12); }

.demo-num { display: flex; align-items: baseline; gap: 8px; margin: 14px 0 12px; }
.nums { display: grid; }
.n {
  grid-area: 1 / 1;
  font-size: 48px; font-weight: 600; line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  transition: opacity 300ms ease, filter 300ms ease, transform 400ms var(--ease-out);
}
.demo[data-state="before"] .n[data-n="after"],
.demo[data-state="after"] .n[data-n="before"] { opacity: 0; filter: blur(4px); }
.demo[data-state="before"] .n[data-n="after"] { transform: translateY(10px); }
.demo[data-state="after"] .n[data-n="before"] { transform: translateY(-10px); }
.demo[data-state="after"] .n[data-n="after"] { color: var(--accent); }
.unit { font-size: 15px; color: var(--muted); }

.bar { position: relative; height: 10px; }
.bar .fill, .bar .ghost { position: absolute; inset: 0; border-radius: 999px; }
.bar .ghost { border: 1.5px dashed var(--line); opacity: 0; transition: opacity 300ms ease; }
.bar .fill {
  background: var(--fg);
  clip-path: inset(0 0 0 0 round 999px);
  transition: clip-path 900ms var(--ease-in-out), background-color 300ms ease;
}
.demo[data-state="after"] .fill { clip-path: inset(0 51.3% 0 0 round 999px); background: var(--accent); }
.demo[data-state="after"] .ghost { opacity: 1; transition-delay: 300ms; }
.demo-foot { margin: 12px 0 0 !important; font-size: 13px; color: var(--muted); }

/* ───── Short version ───── */
.list { list-style: none; margin: 0; padding: 0; }
.row {
  display: grid;
  grid-template-columns: 1fr auto;
  column-gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.row:first-child { padding-top: 0; }
.row-title { font-weight: 500; letter-spacing: -0.01em; min-width: 0; }
.row-sub { grid-column: 1 / -1; color: var(--muted); font-size: 14px; }
.row-meta { grid-row: 1; grid-column: 2; color: var(--faint); font-size: 13.5px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tags-label { margin-top: 32px; }
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tags li { padding: 4px 11px; border-radius: 999px; background: var(--hover); font-size: 13px; color: var(--muted); }

/* ───── Contact ───── */
.contact { margin-top: 96px; }
.contact-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.01em;
}
.contact p { margin: 0 0 20px; color: var(--muted); max-width: 52ch; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 42px;
  padding: 0 14px 0 16px;
  border: 0; border-radius: 12px;
  background: var(--card);
  box-shadow: var(--card-shadow);
  font-size: 14px; font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), box-shadow 150ms ease, background-color 150ms ease;
}
.btn:active { transform: scale(0.97); }
.btn--ghost { background: transparent; box-shadow: none; color: var(--muted); padding: 0 12px; }
.btn--ghost span { display: inline-block; font-size: 12px; transition: transform 200ms var(--ease-out); }

.copy-content { display: grid; text-align: left; }
.copy-content > span { grid-area: 1 / 1; transition: opacity 200ms ease, filter 200ms ease, transform 200ms var(--ease-out); }
.copy-done { opacity: 0; filter: blur(2px); transform: translateY(4px); }
.copy-content[data-state="done"] .copy-label { opacity: 0; filter: blur(2px); transform: translateY(-4px); }
.copy-content[data-state="done"] .copy-done { opacity: 1; filter: none; transform: none; }

.copy-icon { flex-shrink: 0; color: var(--muted); overflow: visible; }
.copy-icon .i-copy, .copy-icon .i-check {
  transform-box: fill-box; transform-origin: center;
  transition: opacity 200ms ease, transform 200ms var(--ease-out), filter 200ms ease;
}
.copy-icon .i-check { opacity: 0; transform: scale(0.6); filter: blur(2px); stroke: var(--live); }
.btn[data-state="done"] .i-copy { opacity: 0; transform: scale(0.6); filter: blur(2px); }
.btn[data-state="done"] .i-check { opacity: 1; transform: none; filter: none; }

.status { display: flex; align-items: center; gap: 10px; font-size: 13.5px; margin: 28px 0 0 !important; }
.dot {
  flex-shrink: 0; width: 7px; height: 7px; border-radius: 999px;
  background: var(--live);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--live) 18%, transparent);
}
.clock { font-variant-numeric: tabular-nums; color: var(--fg); }

/* ───── Footer ───── */
.footer {
  margin-top: 72px; padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 13px; color: var(--faint);
}
.sig { font-family: var(--serif); font-style: italic; font-size: 24px; color: var(--muted); }

/* ───── Hover: fine pointers only ───── */
@media (hover: hover) and (pointer: fine) {
  .icon-btn:hover { background: var(--hover); color: var(--fg); }
  .tab-list button:hover, .seg button:hover { color: var(--fg); }
  .route a:hover .city { color: var(--fg); }
  .route a:hover .stop { border-color: var(--fg); }
  .btn--ghost:hover { color: var(--fg); background: var(--hover); }
  .btn--ghost:hover span { transform: translate(1px, -1px); }
}

/* ───── Page entrance: one per container, non-uniform delays ───── */
@keyframes enter {
  from { opacity: 0; transform: translateY(var(--y, 0)); filter: blur(var(--b, 0)); }
}
.js [data-enter] { animation: enter var(--dur, 600ms) var(--ease-out) var(--d, 0ms) both; }
.js [data-enter="lead"]    { --y: 12px; --b: 6px; --dur: 800ms; }
.js [data-enter="support"] { --y: 8px;  --b: 3px; --dur: 650ms; }
.js [data-enter="decor"]   { --dur: 500ms; }

/* The underline draws once the headline has landed. */
@keyframes draw { from { stroke-dashoffset: 1; } }
.js .scribble path { animation: draw 700ms var(--ease-out) 750ms both; }

/* The road draws left → right, each stop lights up as it's reached. */
@keyframes road { from { clip-path: inset(0 100% 0 0); } }
@keyframes pop  { from { opacity: 0; transform: scale(0.7); } }
.js .route ol::before { animation: road 1000ms var(--ease-in-out) 450ms both; }
.js .route li { animation: pop 400ms var(--ease-out) both; }
.js .route li:nth-child(1) { animation-delay: 420ms; }
.js .route li:nth-child(2) { animation-delay: 700ms; }
.js .route li:nth-child(3) { animation-delay: 930ms; }
.js .route li:nth-child(4) { animation-delay: 1120ms; }

/* Chapters reveal once as they scroll in. Transitions, so they're interruptible. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  filter: blur(4px);
  transition: opacity 700ms var(--ease-out), transform 800ms var(--ease-out), filter 700ms var(--ease-out);
}
.js [data-reveal].is-in { opacity: 1; transform: none; filter: none; }

@media (prefers-reduced-motion: reduce) {
  .js [data-enter] { animation: enter 300ms ease both; --y: 0 !important; --b: 0 !important; }
  .js .route li, .js .route ol::before { animation: none; }
  .js .scribble path { animation: none; }
  .js [data-reveal] { transform: none; filter: none; transition: opacity 300ms ease; }
  .panel.is-showing { animation: none; }
  .n, .copy-content > span, .copy-icon .i-copy, .copy-icon .i-check { transform: none !important; filter: none !important; }
  .bar .fill { transition: none; }
  .tab-list--active { transition-duration: 0ms; }
}