/* ABOUTME: Styles for the AI Friday homepage, laid out as a walk through a shotgun house.
   ABOUTME: Rooms are sections, thresholds are the transitions, the kitchen is the last room. */

/* ── paint chips ─────────────────────────────────────────── */
:root {
  --ink:        #23180F;
  --ink-soft:   #4A3A28;
  --paper:      #F4EADA;   /* room 1 */
  --putty:      #DCCBAD;   /* room 2 */
  --sage:       #AFB8A2;   /* room 3 */
  --umber:      #3B2E23;   /* room 4 */
  --kitchen:    #EFF0E4;   /* room 5 */
  --haint:      #9BC4CD;
  --persimmon:  #BA4D34;
  --night:      #1A1410;   /* outside the house */

  --house: 46rem;
  --measure: 32rem;
  --unit: 2rem;            /* 32 */
  --tile: 600px;           /* wall texture scaled to match the photographs */

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Libre Franklin", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: .75rem 1rem; z-index: 50;
}
.skip:focus { left: 0; }

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

/* ── the house ───────────────────────────────────────────── */
.house {
  width: 100%;
  max-width: var(--house);
  margin: 0 auto;
  position: relative;
  overflow: hidden;   /* the walls are the edge of the house */
}

/* ── type ────────────────────────────────────────────────── */
h1, h2, h3 {
  font-family: var(--serif);
  font-variation-settings: "opsz" 96, "SOFT" 40, "WONK" 1;
  font-weight: 400;
  margin: 0;
}

h1 {
  font-size: clamp(2.55rem, 8.5vw, 4.75rem);
  line-height: .92;
  letter-spacing: -.022em;
  margin: .35em 0 .5rem;
}

h2 {
  font-size: clamp(1.95rem, 6vw, 2.8rem);
  line-height: 1.06;
  letter-spacing: -.014em;
  margin-bottom: 1.4rem;
}

h3 {
  font-size: 1.3rem;
  line-height: 1.2;
  letter-spacing: -.008em;
  font-variation-settings: "opsz" 30, "SOFT" 40, "WONK" 1;
  margin-bottom: .3rem;
}

p { margin: 0 0 1.15rem; }
p:last-child { margin-bottom: 0; }

.caps {
  font-family: var(--sans);
  font-size: .705rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  line-height: 1.5;
}

/* the one spoken line per room */
.aside {
  font-family: var(--serif);
  font-variation-settings: "opsz" 24, "SOFT" 60, "WONK" 1;
  font-style: italic;
  font-size: 1.28rem;
  line-height: 1.4;
  margin: 0;
}
.aside--wide {
  font-style: normal;
  font-size: clamp(1.35rem, 4.4vw, 1.7rem);
  line-height: 1.28;
  margin-top: 2.4rem;
  padding-top: 1.8rem;
  border-top: 1px solid color-mix(in srgb, var(--ink) 22%, transparent);
  max-width: 22ch;
}

.lede { font-size: 1.17rem; line-height: 1.55; max-width: 30ch; }
.fine { font-size: .875rem; color: var(--ink-soft); }
.stamp { margin-bottom: 1.25rem; }

/* ── masthead ────────────────────────────────────────────── */
.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.5rem 1.05rem;
  background: var(--night);
  color: var(--paper);
  border-bottom: 1px solid #2E251C;
}
.masthead__name {
  font-family: var(--serif);
  font-variation-settings: "opsz" 20, "SOFT" 50, "WONK" 1;
  font-size: 1.15rem;
  letter-spacing: -.01em;
  margin: 0;
}
.masthead__place { margin: 0; opacity: .62; }

/* ── the street ──────────────────────────────────────────── */
.street { background: var(--night); }
.street img {
  width: 100%;
  height: clamp(165px, 30vh, 330px);
  object-fit: cover;
  object-position: center 26%;
}

/* ── rooms ───────────────────────────────────────────────── */
.room {
  position: relative;
  padding: clamp(3.6rem, 11vw, 6.5rem) 1.5rem clamp(3.6rem, 11vw, 6.5rem);
  background-repeat: repeat;
  background-size: var(--tile) auto;
  background-position: center top;
}
.col { max-width: var(--measure); margin: 0 auto; }

.room--1 { background-color: var(--paper);   background-image: url("assets/wall-1.webp"); padding-top: clamp(1.7rem, 3.4vh, 2.6rem); }
.room--2 { background-color: var(--putty);   background-image: url("assets/wall-2.webp"); }
.room--3 { background-color: var(--sage);    background-image: url("assets/wall-3.webp"); }
.room--4 { background-color: var(--umber);   background-image: url("assets/wall-4.webp"); color: var(--paper); }
.room--5 { background-color: var(--kitchen); background-image: url("assets/wall-5.webp");
           padding-top: clamp(5.5rem, 17vw, 10rem); padding-bottom: clamp(6rem, 19vw, 11rem); }

.room--4 .fine { color: color-mix(in srgb, var(--paper) 68%, transparent); }
.room--4 .aside--wide { border-top-color: color-mix(in srgb, var(--paper) 26%, transparent); }

/* ── thresholds: the doorways ────────────────────────────── */
.threshold {
  position: relative;
  aspect-ratio: 1024 / 1400;
  background-repeat: repeat;
  background-size: var(--tile) auto;
  overflow: hidden;
}
.threshold img {
  position: absolute;
  z-index: 1;
  left: 0;
  top: -30px;
  width: 100%;
  height: calc(100% + 60px);   /* headroom so the parallax never exposes an edge */
  object-fit: cover;
  will-change: transform;
}
/* drawn fallback: a 66% opening in the wall, visible if the photograph never loads */
.aperture {
  position: absolute;
  z-index: 0;
  left: 17%;
  right: 17%;
  top: 9%;
  bottom: 0;
  border: 1px solid color-mix(in srgb, var(--ink) 30%, transparent);
  border-bottom: 0;
}

.threshold--1 { background-color: var(--paper); background-image: url("assets/wall-1.webp"); }
.threshold--2 { background-color: var(--putty); background-image: url("assets/wall-2.webp"); }
.threshold--3 { background-color: var(--sage);  background-image: url("assets/wall-3.webp"); }
.threshold--4 { background-color: var(--umber); background-image: url("assets/wall-4.webp"); }

/* The doorways are not evenly spaced. Two narrow middle rooms go by quickly;
   the last door, into the kitchen, is the long one. */
.threshold--2 { aspect-ratio: 1024 / 1120; }
.threshold--3 { aspect-ratio: 1024 / 1310; }
.threshold--4 { aspect-ratio: 1024 / 1536; }
.threshold--2 img, .threshold--3 img { object-position: center top; }

.threshold--1 .aperture { background-color: var(--putty); }
.threshold--2 .aperture { background-color: var(--sage); }
.threshold--3 .aperture { background-color: var(--umber); }
.threshold--4 .aperture { background-color: var(--kitchen); border-color: color-mix(in srgb, var(--paper) 30%, transparent); }

/* ── out the back door ───────────────────────────────────── */
.backdoor {
  position: relative;
  aspect-ratio: 1024 / 1180;
  background-color: var(--kitchen);
  background-image: url("assets/wall-5.webp");
  background-repeat: repeat;
  background-size: var(--tile) auto;
  overflow: hidden;
}
.backdoor img {
  position: absolute;
  left: 0;
  top: -30px;
  width: 100%;
  height: calc(100% + 60px);
  object-fit: cover;
  object-position: center top;
  will-change: transform;
}

/* ── the back step ───────────────────────────────────────── */
.step {
  background-color: var(--night);
  color: var(--paper);
  padding: clamp(3rem, 9vw, 4.5rem) 1.5rem clamp(4rem, 10vw, 6rem);
}
.step .col { display: grid; gap: 3rem; }

.step__date {
  font-family: var(--serif);
  font-variation-settings: "opsz" 48, "SOFT" 40, "WONK" 1;
  font-size: clamp(1.55rem, 5.5vw, 2.1rem);
  line-height: 1.05;
  letter-spacing: -.015em;
  margin-bottom: .55rem;
}
.step__time { color: color-mix(in srgb, var(--paper) 72%, transparent); font-size: .95rem; margin-bottom: 1.6rem; }
.step__meta {
  display: grid;
  gap: .9rem;
  padding-top: 2rem;
  border-top: 1px solid #33291F;
  font-size: .93rem;
  color: color-mix(in srgb, var(--paper) 72%, transparent);
}
.step__name {
  font-family: var(--serif);
  font-variation-settings: "opsz" 20, "SOFT" 50, "WONK" 1;
  font-size: 1.1rem;
  color: var(--paper);
  margin: 0;
}
.step__meta p { margin: 0; }
.step__meta a { color: var(--haint); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.step__social { display: flex; gap: 1.4rem; }

/* ── actions ─────────────────────────────────────────────── */
.act { margin: clamp(1.1rem, 2.6vh, 1.7rem) 0 1rem; }
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.0125rem;
  letter-spacing: .005em;
  padding: .95rem 1.9rem;
  border-radius: 2px;
  text-decoration: none;
  transition: transform .16s ease, background-color .16s ease, color .16s ease;
}
.btn--go {
  background: var(--persimmon);
  color: #FFF4EC;
  border: 1px solid var(--persimmon);
}
.btn--go:hover { transform: translateY(-2px); background: #A8422B; }
.btn--slack {
  background: var(--ink);
  color: var(--kitchen);
  border: 1px solid var(--ink);
}
.btn--slack:hover { transform: translateY(-2px); background: #3A2A1B; }

/* ── room 3 · the works ──────────────────────────────────── */
.works { list-style: none; margin: 0; padding: 0; }
.works li { padding: 1.7rem 0; border-top: 1px solid color-mix(in srgb, var(--ink) 24%, transparent); }
.works li:first-child { border-top: 0; padding-top: .3rem; }
.works .caps { color: var(--ink-soft); margin-bottom: .55rem; }
.works p:last-child { max-width: 40ch; }

/* ── room 4 · the takeaways ──────────────────────────────── */
.takeaways { list-style: none; margin: 0; padding: 0; counter-reset: t; }
.takeaways li {
  counter-increment: t;
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 0 1.1rem;
  padding: 1.7rem 0;
  border-top: 1px solid color-mix(in srgb, var(--paper) 22%, transparent);
}
.takeaways li:first-child { border-top: 0; padding-top: .3rem; }
.takeaways li::before {
  content: counter(t);
  grid-row: 1 / span 2;
  font-family: var(--serif);
  font-variation-settings: "opsz" 60, "SOFT" 40, "WONK" 1;
  font-size: 2.3rem;
  line-height: .9;
  color: var(--haint);
}
.takeaways p { max-width: 38ch; margin: 0; }

/* ── the floorplan ───────────────────────────────────────── */
.plan {
  position: fixed;
  left: 1.35rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 8.5rem;
}
.plan__title {
  font-family: var(--sans);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--paper) 45%, transparent);
  margin: 0 0 .7rem;
}
.plan__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; }
.plan__list li { display: block; }
.plan__room {
  display: flex;
  align-items: center;
  gap: .55rem;
  width: 100%;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font: inherit;
  color: inherit;
  text-align: left;
}
.plan__bar {
  flex: 0 0 auto;
  width: 9px;
  border: 1px solid color-mix(in srgb, var(--paper) 22%, transparent);
  border-radius: 1px;
  background: transparent;
  transition: background-color .3s ease, border-color .3s ease;
}
.plan__label {
  font-size: .72rem;
  line-height: 1.25;
  color: color-mix(in srgb, var(--paper) 40%, transparent);
  opacity: 0;
  transform: translateX(-3px);
  transition: opacity .25s ease, transform .25s ease, color .25s ease;
}
.plan__room[aria-current="true"] .plan__bar { background: var(--haint); border-color: var(--haint); }
.plan__room[aria-current="true"] .plan__label { opacity: 1; transform: none; color: color-mix(in srgb, var(--paper) 82%, transparent); }
.plan:hover .plan__label, .plan__room:focus-visible .plan__label { opacity: 1; transform: none; }

@media (max-width: 63rem) {
  .plan {
    left: 0; right: 0; top: 0; bottom: auto;
    transform: none;
    width: 100%;
    display: flex;
    gap: 0;
    background: var(--night);
    padding: 3px 0;
  }
  .plan__title { display: none; }
  .plan__list { display: flex; width: 100%; gap: 2px; padding: 0 2px; }
  .plan__list li { flex: 1 1 auto; }
  .plan__room { display: block; }
  .plan__bar { display: block; width: 100%; height: 4px !important; border: 0; background: color-mix(in srgb, var(--paper) 22%, transparent); border-radius: 0; }
  .plan__label { display: none; }
  .plan__room[aria-current="true"] .plan__bar { background: var(--haint); }
  .masthead { padding-top: 1.5rem; }
}

@media (max-width: 34rem) {
  body { font-size: 1.0125rem; }
  .room { padding-left: 1.35rem; padding-right: 1.35rem; }
  .street img { height: clamp(150px, 26vh, 250px); }
  .takeaways li { grid-template-columns: 2.1rem 1fr; gap: 0 .9rem; }
  .takeaways li::before { font-size: 1.9rem; }
}

@media (min-width: 48rem) {
  .step .col { grid-template-columns: 1.15fr 1fr; gap: 3.5rem; align-items: start; }
  .step__meta { border-top: 0; padding-top: .2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .threshold img, .backdoor img { transform: none !important; }
  .btn { transition: none; }
}