/* ==========================================================================
   AM1 — am1.studio
   Palette taken from a building site: pale concrete, ink, and the
   fluorescent pink surveyors spray on the pavement before groundworks.
   ========================================================================== */

:root {
  --concrete:  #E3E4DD;
  --chalk:     #F1F2EE;
  --ink:       #131518;
  --ink-2:     #1B1F24;
  --graphite:  #5B626A;
  --rule:      #C9CBC2;
  --spray:      #FF2D6F;
  --spray-deep: #C4004A;

  /* contextual tokens — overridden on dark surfaces */
  --fg:     var(--ink);
  --fg-2:   var(--graphite);
  --rule-c: var(--rule);
  --card:   var(--chalk);
  --focus:  var(--spray-deep);

  --display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --body:    'Instrument Sans', system-ui, -apple-system, sans-serif;
  --mono:    'DM Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --pad: clamp(1.25rem, 5vw, 5rem);
  --maxw: 1240px;
}

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

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

body {
  margin: 0;
  background: var(--concrete);
  color: var(--fg);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; }

::selection { background: var(--spray); color: #fff; }

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

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--chalk);
  padding: .8rem 1.2rem; z-index: 100;
  font-family: var(--mono); font-size: .8rem;
}
.skip:focus { left: .5rem; top: .5rem; }

section[id] { scroll-margin-top: 5.5rem; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

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

.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin: 0 0 1.4rem;
}
.eyebrow--spray { color: var(--spray-deep); }

.sec-title {
  font-family: var(--display);
  font-variation-settings: 'wdth' 116, 'wght' 700;
  font-weight: 700;
  font-size: clamp(1.7rem, 3.1vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: -.018em;
  margin: 0;
  max-width: 22ch;
  text-wrap: balance;
}

.sec-lede {
  font-size: clamp(1.02rem, 1.1vw, 1.14rem);
  color: var(--fg-2);
  max-width: 56ch;
  margin: 1.4rem 0 0;
}

.sec-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.sec-head .sec-title { max-width: 26ch; }

/* ---------------------------------------------------------- top bar ------ */

.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 2rem;
  padding: .85rem var(--pad);
  background: color-mix(in srgb, var(--concrete) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.topbar.is-stuck { border-bottom-color: var(--rule); }

.brand {
  display: inline-flex; align-items: center; gap: .55rem;
  text-decoration: none; margin-right: auto;
}
.brand__mark {
  width: 13px; height: 13px; border-radius: 50%;
  border: 3px solid var(--spray);
}
.brand__word {
  font-family: var(--display);
  font-variation-settings: 'wdth' 122, 'wght' 800;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: .01em;
}

.topnav { display: flex; gap: 1.9rem; }
.topnav a {
  font-family: var(--mono);
  font-size: .78rem;
  text-decoration: none;
  color: var(--graphite);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.topnav a:hover { color: var(--ink); border-bottom-color: var(--spray); }

.topbar__cta {
  font-family: var(--mono); font-size: .78rem;
  text-decoration: none; color: var(--ink);
  padding: .5rem .9rem;
  border: 1px solid var(--ink);
  transition: background .18s ease, color .18s ease;
}
.topbar__cta:hover { background: var(--ink); color: var(--chalk); }

@media (max-width: 900px) {
  .topnav { display: none; }
  .topbar__cta { padding: .42rem .7rem; font-size: .72rem; }
}

/* ------------------------------------------------------------- hero ------ */

.hero { padding: clamp(3rem, 7vw, 6.5rem) 0 clamp(4rem, 8vw, 7rem); }

.hero__inner {
  width: 100%; max-width: var(--maxw); margin-inline: auto;
  padding-inline: var(--pad);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.hero__title {
  font-family: var(--display);
  font-variation-settings: 'wdth' 112, 'wght' 800;
  font-weight: 800;
  font-size: clamp(2.45rem, 5.1vw, 4.05rem);
  line-height: .97;
  letter-spacing: -.03em;
  margin: 0;
  text-wrap: balance;
}

.hero__lede {
  font-size: clamp(1.05rem, 1.25vw, 1.22rem);
  color: var(--graphite);
  max-width: 46ch;
  margin: 1.6rem 0 2.4rem;
}

/* ------------------------------------------------------- the url form ---- */

.urlform__label {
  display: block;
  font-family: var(--mono);
  font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--fg-2);
  margin-bottom: .6rem;
}

.urlform__row {
  display: flex; flex-wrap: wrap; gap: .55rem;
  max-width: 34rem;
}

.urlform__input {
  flex: 1 1 15rem;
  min-width: 0;
  font-family: var(--mono); font-size: .95rem;
  color: var(--ink);
  background: var(--chalk);
  border: 1px solid var(--rule);
  padding: .95rem 1rem;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.urlform__input::placeholder { color: #868D94; }
.urlform__input:focus {
  outline: none;
  border-color: var(--spray);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--spray) 20%, transparent);
}

.btn {
  font-family: var(--mono); font-size: .85rem; letter-spacing: .02em;
  border: 0; cursor: pointer;
  padding: .95rem 1.35rem;
  white-space: nowrap;
  transition: transform .12s ease, background .18s ease;
}
.btn--spray { background: var(--spray); color: var(--ink); font-weight: 500; }
.btn--spray:hover { background: #E31E5C; }
.btn--spray:active { transform: translateY(1px); }

.urlform__note {
  font-size: .88rem; color: var(--fg-2);
  max-width: 42ch; margin: .95rem 0 0;
}
.urlform__note.is-error { color: var(--spray-deep); }

/* ------------------------------------------- signature: the audit panel -- */

.audit { margin: 0; }

.audit__frame {
  position: relative;
  background: var(--chalk);
  border: 1px solid var(--rule);
  box-shadow: 0 1px 0 rgba(19,21,24,.04), 0 26px 48px -32px rgba(19,21,24,.45);
  overflow: hidden;
}

.chrome {
  display: flex; align-items: center; gap: .4rem;
  padding: .6rem .8rem;
  background: #DCDDD6;
  border-bottom: 1px solid var(--rule);
}
.chrome__dot { width: 8px; height: 8px; border-radius: 50%; background: #B9BBB2; }
.chrome__url {
  margin-left: .7rem; flex: 1;
  font-family: var(--mono); font-size: .68rem; color: #7C838A;
  background: #EDEEE9; border-radius: 2px;
  padding: .22rem .55rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.mock { padding: 0 0 1rem; background: #FBFBF9; }

.mock__nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1.1rem;
  border-bottom: 1px solid #E7E7E2;
}
.mock__logo { width: 46px; height: 11px; background: #C6C8C1; border-radius: 1px; }
.mock__links { display: flex; gap: .5rem; }
.mock__links i { display: block; width: 26px; height: 6px; background: #DEDFDA; border-radius: 1px; }

.mock__banner {
  margin: .8rem 1.1rem 0;
  padding: .55rem .7rem;
  background: #E9EAE4;
  font-family: var(--body); font-size: .68rem; color: #7C838A;
  text-align: center;
}

.mock__hero { padding: 1.5rem 1.1rem 1.2rem; }
.bar { display: block; background: #D3D5CE; border-radius: 1px; margin-bottom: .5rem; }
.bar--xl { height: 15px; width: 78%; background: #BFC2BA; }
.bar--lg { height: 15px; width: 55%; background: #BFC2BA; }
.bar--md { height: 7px; width: 66%; margin-top: .9rem; }
.mock__btn { display: block; width: 92px; height: 26px; background: #C6C8C1; margin-top: 1.1rem; }

.mock__stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: .5rem; padding: .4rem 1.1rem 1.2rem;
}
.stat { text-align: center; padding: .5rem .2rem; }
.stat b {
  display: block;
  font-family: var(--display);
  font-variation-settings: 'wdth' 100, 'wght' 700;
  font-size: 1.5rem; line-height: 1; color: #A9ACA4;
}
.stat i { display: block; width: 56%; height: 5px; background: #DEDFDA; margin: .5rem auto 0; }

.mock__cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .55rem;
  padding: 0 1.1rem 1.2rem;
}
.mock__cards span { display: block; height: 54px; background: #ECEDE8; border: 1px solid #E2E3DE; }

.mock__foot {
  margin: 0 1.1rem;
  padding: .8rem 0 .3rem;
  border-top: 1px solid #E7E7E2;
  font-family: var(--body); font-size: .68rem; color: #8E949A;
}

/* the survey marks themselves */

.marked { position: relative; }

.ring {
  position: absolute;
  top: -30%; left: -3.5%;
  width: 107%; height: 160%;
  overflow: visible;
  pointer-events: none;
}
.ring path {
  fill: none;
  stroke: var(--spray);
  stroke-width: 2.4;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: var(--len, 460);
  stroke-dashoffset: var(--len, 460);
  opacity: .92;
}
/* each ring hugs the text it is actually marking, not the whole row */
.stat .ring   { top: 4%;   left: 20%; width: 60%; height: 58%; }
.mock__banner .ring { top: -34%; left: 27%; width: 46%; height: 168%; }
.mock__foot .ring   { top: -18%; left: -2%; width: 39%; height: 132%; }

.pin {
  position: absolute;
  top: -.55rem; right: -.35rem;
  font-family: var(--mono); font-size: .58rem; font-weight: 500;
  background: var(--spray); color: var(--ink);
  padding: .1rem .3rem;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .3s ease, transform .3s ease;
}
.stat .pin        { top: -.3rem;  right: 8%; }
.mock__banner .pin { top: -.62rem; left: 70%;  right: auto; }
.mock__foot .pin   { top: -.42rem; left: 34%;  right: auto; }

/* revealed state, driven by main.js */
.audit.is-live .ring path { animation: draw .95s cubic-bezier(.65,.02,.3,1) forwards; }
.audit.is-live [data-mark="1"] .ring path { animation-delay: .35s; }
.audit.is-live [data-mark="2"] .ring path { animation-delay: 1.05s; }
.audit.is-live [data-mark="3"] .ring path { animation-delay: 1.75s; }

.audit.is-live [data-mark="1"] .pin { opacity: 1; transform: none; transition-delay: 1.05s; }
.audit.is-live [data-mark="2"] .pin { opacity: 1; transform: none; transition-delay: 1.75s; }
.audit.is-live [data-mark="3"] .pin { opacity: 1; transform: none; transition-delay: 2.45s; }

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

/* findings list under the panel */

.audit__notes {
  border: 1px solid var(--rule);
  border-top: 0;
  background: var(--concrete);
  padding: 1.15rem 1.2rem 1.3rem;
}
.audit__caphead {
  font-family: var(--mono);
  font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--graphite);
  margin: 0 0 .85rem;
}
.notes { list-style: none; margin: 0; padding: 0; }
.notes__item {
  display: flex; gap: .7rem; align-items: baseline;
  font-size: .9rem;
  padding: .3rem 0;
  color: var(--ink);
  opacity: 0;
  transform: translateY(5px);
  transition: opacity .45s ease, transform .45s ease;
}
.audit.is-live .notes__item { opacity: 1; transform: none; }
.audit.is-live .notes__item:nth-child(1) { transition-delay: 1.05s; }
.audit.is-live .notes__item:nth-child(2) { transition-delay: 1.75s; }
.audit.is-live .notes__item:nth-child(3) { transition-delay: 2.45s; }

.notes__n {
  font-family: var(--mono); font-size: .72rem;
  color: var(--spray-deep);
  flex: 0 0 auto;
}

/* hovering a note flags its mark */
.audit__frame .marked.is-flagged .ring path { stroke-width: 4; opacity: 1; }
.audit__frame .marked.is-flagged .pin { background: var(--ink); color: var(--spray); }

@media (max-width: 940px) {
  .hero__inner { grid-template-columns: 1fr; }
  .audit { max-width: 34rem; }
}

/* --------------------------------------------------------- findings ------ */

.findings {
  --fg: var(--chalk);
  --fg-2: #A2A9B0;
  --rule-c: rgba(255,255,255,.13);
  --focus: var(--spray);
  background: var(--ink);
  color: var(--fg);
  padding: clamp(4rem, 8vw, 7rem) 0;
}
.findings .eyebrow--spray { color: var(--spray); }
.findings .sec-title { max-width: 24ch; }

.defects {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  border-top: 1px solid var(--rule-c);
  border-left: 1px solid var(--rule-c);
}
.defect {
  border-right: 1px solid var(--rule-c);
  border-bottom: 1px solid var(--rule-c);
  padding: 1.6rem 1.4rem 1.8rem;
  display: flex; flex-direction: column; gap: .7rem;
  transition: background .2s ease;
}
.defect:hover { background: var(--ink-2); }
.defect__i {
  font-family: var(--mono); font-size: .72rem;
  color: var(--spray);
}
.defect p { margin: 0; font-size: 1.04rem; line-height: 1.42; max-width: 26ch; }

.findings__kicker {
  margin: clamp(2.2rem, 4vw, 3.2rem) 0 0;
  font-family: var(--display);
  font-variation-settings: 'wdth' 108, 'wght' 500;
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  line-height: 1.3;
  max-width: 34ch;
  color: var(--chalk);
}

/* ------------------------------------------------------------ build ------ */

.build { padding: clamp(4rem, 8vw, 7rem) 0; border-bottom: 1px solid var(--rule); }

.offers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(275px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.4rem);
}
.offer {
  background: var(--chalk);
  border: 1px solid var(--rule);
  padding: 1.8rem 1.6rem 1.9rem;
  display: flex; flex-direction: column;
  position: relative;
}
.offer::before {
  content: ""; position: absolute; inset: -1px -1px auto -1px; height: 3px;
  background: var(--spray);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}
.offer:hover::before { transform: scaleX(1); }

.offer__title {
  font-family: var(--display);
  font-variation-settings: 'wdth' 112, 'wght' 700;
  font-weight: 700;
  font-size: 1.32rem; line-height: 1.15;
  letter-spacing: -.012em;
  margin: 0 0 .9rem;
}
.offer p { margin: 0; color: var(--graphite); font-size: .97rem; }
.offer__list {
  list-style: none; margin: 1.4rem 0 0; padding: 1.2rem 0 0;
  margin-top: auto;
  border-top: 1px solid var(--rule);
}
.offer__list li {
  font-family: var(--mono); font-size: .78rem; line-height: 1.5;
  color: var(--ink);
  padding-left: 1.1rem; position: relative;
  margin-bottom: .6rem;
}
.offer__list li:last-child { margin-bottom: 0; }
.offer__list li::before {
  content: ""; position: absolute; left: 0; top: .52em;
  width: 5px; height: 5px; background: var(--spray);
}

/* -------------------------------------------------------------- how ------ */

.how { padding: clamp(4rem, 8vw, 7rem) 0; border-bottom: 1px solid var(--rule); }
.how__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}
.how .sec-lede { margin-top: 1.5rem; }

.specs { margin: 0; display: grid; gap: 0; }
.spec {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 1.2rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--rule);
}
.spec:last-child { border-bottom: 1px solid var(--rule); }
.spec dt {
  font-family: var(--mono); font-size: .74rem;
  letter-spacing: .09em; text-transform: uppercase;
  color: var(--spray-deep);
  padding-top: .2rem;
}
.spec dd { margin: 0; font-size: .98rem; color: var(--graphite); }

@media (max-width: 860px) {
  .how__grid { grid-template-columns: 1fr; }
  .spec { grid-template-columns: 1fr; gap: .35rem; }
}

/* ----------------------------------------------------------- studio ------ */

.studio { padding: clamp(4rem, 8vw, 7rem) 0; }
.studio__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

.studio__note {
  margin: 1.8rem 0 0;
  font-family: var(--mono); font-size: .8rem;
  color: var(--graphite);
}

.people { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.person { background: var(--chalk); padding: 1.35rem 1.4rem; }
.person h3 {
  font-family: var(--display);
  font-variation-settings: 'wdth' 110, 'wght' 700;
  font-weight: 700; font-size: 1.1rem; margin: 0;
}
.person__role {
  font-family: var(--mono); font-size: .72rem;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--graphite); margin: .3rem 0 .8rem;
}
.person a {
  font-family: var(--mono); font-size: .82rem;
  text-decoration: none;
  border-bottom: 1px solid var(--spray);
  padding-bottom: 2px;
  word-break: break-all;
}
.person a:hover { color: var(--spray); }

@media (max-width: 860px) {
  .studio__grid { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------- contact ------ */

.contact {
  --fg: var(--chalk);
  --fg-2: #A2A9B0;
  --focus: var(--spray);
  background: var(--ink);
  color: var(--fg);
  padding: clamp(4.5rem, 9vw, 8rem) 0;
}
.contact .eyebrow--spray { color: var(--spray); }
.contact__inner { max-width: 60rem; }
.contact__title {
  font-family: var(--display);
  font-variation-settings: 'wdth' 112, 'wght' 800;
  font-weight: 800;
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  line-height: 1.02; letter-spacing: -.028em;
  margin: 0 0 2.4rem;
  max-width: 18ch;
  text-wrap: balance;
}
.contact .urlform__input {
  background: var(--ink-2);
  border-color: rgba(255,255,255,.18);
  color: var(--chalk);
}
.contact .urlform__input::placeholder { color: #6C737B; }
.urlform--lg .urlform__row { max-width: 38rem; }

.contact .urlform__note.is-error { color: var(--spray); }

.contact__alt {
  margin: 2.6rem 0 0;
  font-family: var(--mono); font-size: .85rem;
  color: var(--fg-2);
}
.contact__alt a {
  color: var(--chalk);
  text-decoration: none;
  border-bottom: 1px solid var(--spray);
  padding-bottom: 2px;
}
.contact__alt a:hover { color: var(--spray); }

.next {
  margin-top: clamp(3.5rem, 6vw, 5.5rem);
  padding-top: clamp(2rem, 3.5vw, 3rem);
  border-top: 1px solid rgba(255,255,255,.13);
}
.next__head {
  font-family: var(--mono); font-weight: 400;
  font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--spray);
  margin: 0 0 1.6rem;
}
.next__list {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: clamp(1.2rem, 2.5vw, 2.6rem);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.next__list li {
  display: flex; gap: .85rem; align-items: baseline;
  font-size: .97rem; color: #A2A9B0;
  max-width: 32ch;
}
.next__list span {
  flex: 0 0 auto;
  font-family: var(--mono); font-size: .78rem;
  color: var(--chalk);
  border: 1px solid rgba(255,255,255,.25);
  width: 1.65rem; height: 1.65rem;
  display: inline-flex; align-items: center; justify-content: center;
}

/* ------------------------------------------------------------- foot ------ */

.foot {
  background: var(--ink);
  color: #7B838C;
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 2rem 0 2.6rem;
}
.foot__inner {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .6rem 1.8rem;
  font-family: var(--mono); font-size: .74rem;
}
.foot__brand {
  font-family: var(--display);
  font-variation-settings: 'wdth' 122, 'wght' 800;
  font-weight: 800; font-size: 1rem; color: var(--chalk);
}
.foot__line--year { margin-left: auto; }

@media (max-width: 640px) {
  .foot__line--year { margin-left: 0; }
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-delay: 0ms !important;
    transition-duration: .001ms !important;
    transition-delay: 0ms !important;
  }
  .ring path { stroke-dashoffset: 0; }
  .pin, .notes__item { opacity: 1; transform: none; }
}