/* ==========================================================================
   stillfrank.studio — styles
   Based on DESIGN.md: one typeface, one weight, tight tracking, pills,
   hairlines, one lime accent per screen, flat (no shadows).
   ========================================================================== */

:root {
  /* Colours */
  --canvas: #ffffff;          /* page + collage background (white per Frank) */
  --gallery-plate: #e5e7eb;   /* hairlines + borders */
  --carbon: #000000;
  --chalk: #f4f4f4;
  --concrete: #dedede;
  --paper: #ffffff;
  --lime: #e2ff70;
  --muted: #5c5c5c;           /* secondary text, 6.6:1 on white */

  /* Type — Inter at 500 stands in for ABC Monument Grotesk */
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --track: -0.03em;

  --text-caption: 12px;
  --text-body-sm: 14px;
  --text-body: 16px;
  --text-sub: 18px;
  --text-heading-sm: 20px;
  --text-heading: 22px;

  /* Layout */
  --gutter: clamp(16px, 3vw, 32px);
  --section-gap: clamp(48px, 8vw, 96px);
  --radius-pill: 9999px;
  --radius-sm: 4px;
  --nav-h: 44px;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--carbon);
  font-family: var(--font);
  font-weight: 500;
  font-size: var(--text-body);
  line-height: 1.45;
  letter-spacing: var(--track);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, ol, dl, dd { margin: 0; }
h1, h2, h3, h4 { font-weight: 500; }
ul, ol { padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; letter-spacing: inherit; color: inherit; }

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

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; left: 12px; top: 12px; z-index: 100;
  background: var(--lime); padding: 8px 14px; border-radius: var(--radius-pill);
  transform: translateY(-200%); transition: transform .2s;
}
.skip-link:focus { transform: none; }

/* --------------------------------------------------------------------------
   Pill nav — centred on the landing collage, docked at the top elsewhere
   -------------------------------------------------------------------------- */

.nav {
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 50;
  transform: translate(-50%, -50%);
  transition: top .6s cubic-bezier(.2, .8, .2, 1), transform .6s cubic-bezier(.2, .8, .2, 1);
  font-size: var(--text-body-sm);
}
.nav.is-docked { top: 14px; transform: translate(-50%, 0); }

.nav__bar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background: var(--chalk);
  border: 1px solid var(--gallery-plate);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 10px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  letter-spacing: -0.04em;
}
.nav__pip {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--carbon);
  flex: none;
  transition: background .3s;
}
.nav__brand:hover .nav__pip { background: var(--lime); box-shadow: inset 0 0 0 1px var(--carbon); }

.nav__links { display: none; align-items: center; gap: 2px; }
.nav.is-docked .nav__links { display: flex; }

.nav__link {
  padding: 7px 11px;
  border-radius: var(--radius-pill);
  transition: background .15s;
}
.nav__link:hover,
.nav__link[aria-current="page"] { background: var(--paper); }

.nav__cta,
.nav__menu-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 14px;
  background: var(--lime);
  border: 0;
  border-radius: var(--radius-pill);
  cursor: pointer;
}
.nav__cta { display: none; }
.nav.is-docked .nav__cta { display: inline-flex; }
.nav.is-docked .nav__menu-btn { display: none; }

.nav__dots { display: inline-grid; gap: 2px; }
.nav__dots i { width: 3px; height: 3px; border-radius: 50%; background: var(--carbon); }

/* Dropdown */
.nav__panel {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 220px;
  padding: 6px;
  background: var(--chalk);
  border: 1px solid var(--gallery-plate);
  border-radius: 22px;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity .18s, transform .18s;
}
.nav.is-open .nav__panel { opacity: 1; transform: none; pointer-events: auto; }
.nav__panel a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
}
.nav__panel a span { font-size: var(--text-caption); color: var(--muted); }
.nav__panel a:hover,
.nav__panel a[aria-current="page"] { background: var(--paper); }
.nav__panel a.is-primary { background: var(--lime); margin-top: 4px; }
.nav__panel a.is-primary span { color: var(--carbon); }

/* Logo — small, fixed top-left */
.logo {
  position: fixed;
  top: 14px;
  left: var(--gutter);
  z-index: 50;
  display: flex;
  align-items: center;
  height: 46px;
  padding: 0 18px;
  background: var(--chalk);
  border: 1px solid var(--gallery-plate);
  border-radius: var(--radius-pill);
}
.logo img { height: 15px; width: auto; }

/* Mid-size screens: the centred docked bar would collide with the logo, so dock it top-right */
@media (max-width: 900px) {
  .nav.is-docked { left: auto; right: var(--gutter); transform: none; }
  .nav.is-docked .nav__brand { display: none; }
}

/* Small screens: docked bar keeps the Menu button instead of inline links */
@media (max-width: 760px) {
  .nav.is-docked .nav__links,
  .nav.is-docked .nav__cta { display: none; }
  .nav.is-docked .nav__menu-btn { display: inline-flex; }
  .logo { height: 44px; padding: 0 14px; }
  .logo img { height: 13px; }
}

/* --------------------------------------------------------------------------
   Landing collage
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 520px;
  overflow: hidden;
  background: var(--canvas);
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: pan-y;
  opacity: 0;
  transition: opacity .9s ease;
}
.hero.is-ready .hero__canvas { opacity: 1; }
.hero__canvas.is-hovering { cursor: pointer; }

.hero__fallback {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-size: clamp(56px, 14vw, 200px);
  letter-spacing: -0.06em;
  color: #f1f1f1;
  pointer-events: none;
}
.hero.is-ready .hero__fallback { display: none; }

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: var(--text-caption);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .8);
  border: 1px solid var(--gallery-plate);
}
.hero__scroll::after {
  content: "";
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}

.tooltip {
  position: fixed;
  left: 0; top: 0;
  z-index: 60;
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  background: var(--carbon);
  color: var(--paper);
  font-size: var(--text-caption);
  pointer-events: none;
  opacity: 0;
  transition: opacity .12s;
  white-space: nowrap;
}
.tooltip.is-visible { opacity: 1; }
.tooltip span { color: var(--lime); margin-left: 6px; }

/* --------------------------------------------------------------------------
   Page content
   -------------------------------------------------------------------------- */

.main { padding: 0 var(--gutter); }
.page .main { padding-top: calc(var(--nav-h) + 72px); }
/* Homepage starts exactly where the collage ends, with room for the docked bar */
#home { scroll-margin-top: 0; padding-top: calc(var(--nav-h) + 96px); }

.section { padding: var(--section-gap) 0; }
.section + .section { border-top: 1px solid var(--gallery-plate); }

.display {
  font-size: clamp(44px, 9vw, 132px);
  line-height: .9;
  letter-spacing: -0.06em;
  max-width: 14ch;
}
.page-title {
  font-size: clamp(40px, 7vw, 96px);
  line-height: .92;
  letter-spacing: -0.06em;
  max-width: 16ch;
}

.lede {
  margin-top: 28px;
  max-width: 48ch;
  font-size: var(--text-heading);
  line-height: 1.33;
  letter-spacing: -0.03em;
}
.prose { max-width: 62ch; color: #1d1d1d; }
.prose p + p { margin-top: 1em; }
.muted { color: var(--muted); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  font-size: var(--text-body-sm);
}

.counter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  padding: 4px 9px;
  border: 1px solid var(--gallery-plate);
  border-radius: var(--radius-pill);
  font-size: var(--text-caption);
  font-variant-numeric: tabular-nums;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: var(--chalk);
  font-size: var(--text-caption);
}
.tags { display: flex; flex-wrap: wrap; gap: 6px; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gallery-plate);
  background: var(--chalk);
  cursor: pointer;
  transition: background .15s;
}
.btn:hover { background: var(--concrete); }
.btn--dark { background: var(--carbon); color: var(--paper); border-color: var(--carbon); }
.btn--dark:hover { background: #262626; }
.btn--lime { background: var(--lime); border-color: var(--lime); color: var(--carbon); }
.btn--lime:hover { background: #d5f550; }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }

.ghost-link { padding: 3px 8px; margin: 0 -8px; border-radius: var(--radius-pill); text-decoration: underline; text-decoration-color: var(--concrete); text-underline-offset: 3px; }
.ghost-link:hover { background: var(--lime); text-decoration: none; }

/* Index rows (services list) */
.index { border-top: 1px solid var(--gallery-plate); }
.index__row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 22px 12px;
  margin: 0 -12px;
  border-bottom: 1px solid var(--gallery-plate);
  border-radius: var(--radius-sm);
  transition: background .15s;
}
a.index__row:hover { background: var(--chalk); }
a.index__row:hover .tag { background: var(--paper); }
.index__title { font-size: clamp(22px, 3vw, 34px); letter-spacing: -0.045em; line-height: 1.1; }
.index__desc { margin-top: 6px; color: var(--muted); font-size: var(--text-body-sm); }
.index__meta { display: flex; align-items: center; gap: 14px; }
.index__arrow {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--gallery-plate);
  transition: background .15s, transform .2s;
}
a.index__row:hover .index__arrow { background: var(--lime); border-color: var(--lime); transform: rotate(-45deg); }

@media (max-width: 640px) {
  .index__row { grid-template-columns: 40px 1fr auto; gap: 10px; }
  .index__meta .tags { display: none; }
}

/* Service tiles (homepage) */
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.tile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 48px;
  height: 100%;
  min-height: 320px;
  padding: 24px;
  background: var(--chalk);
  border: 1px solid var(--gallery-plate);
  border-radius: 28px;
  transition: background .15s;
}
.tile:hover { background: var(--concrete); }
.tile__top { display: flex; justify-content: space-between; align-items: center; }
.tile__arrow {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--gallery-plate);
  transition: background .15s, transform .2s;
}
.tile:hover .tile__arrow { background: var(--lime); border-color: var(--lime); transform: rotate(-45deg); }
.tile__body { display: grid; gap: 10px; }
.tile__title { font-size: clamp(24px, 2.4vw, 34px); line-height: 1.05; letter-spacing: -0.045em; }
.tile__desc { color: var(--muted); font-size: var(--text-body-sm); }
.tile .tags { margin-top: 8px; }
.tile .tag { background: var(--paper); }
@media (max-width: 860px) {
  .tiles { grid-template-columns: 1fr; }
  .tile { min-height: 0; gap: 32px; }
}

.note {
  margin-top: 28px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  max-width: 62ch;
  font-size: var(--text-body-sm);
  color: var(--muted);
}
.note .nav__pip { margin-top: 3px; background: var(--lime); box-shadow: inset 0 0 0 1px var(--carbon); }

/* Service blocks */
.service {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px 64px;
  padding: 56px 0;
  border-top: 1px solid var(--gallery-plate);
  scroll-margin-top: 90px;
}
.service h2 { font-size: clamp(28px, 4vw, 48px); line-height: 1; letter-spacing: -0.05em; margin: 14px 0 18px; }
.service h3 { font-size: var(--text-body-sm); color: var(--muted); margin-bottom: 10px; }
.service ul li { padding: 9px 0; border-bottom: 1px solid var(--gallery-plate); }
.service ul li:first-child { border-top: 1px solid var(--gallery-plate); }
.service__lists { display: grid; gap: 28px; }
@media (max-width: 800px) { .service { grid-template-columns: 1fr; } }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.step { padding: 20px; background: var(--chalk); border-radius: 20px; }
.step h3 { font-size: var(--text-sub); margin: 18px 0 8px; letter-spacing: -0.035em; }
.step p { font-size: var(--text-body-sm); color: var(--muted); }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 32px 64px; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.h2 { font-size: clamp(28px, 4vw, 48px); line-height: 1; letter-spacing: -0.05em; }

/* Inverse block */
.inverse {
  background: var(--carbon);
  color: var(--paper);
  border-radius: 28px;
  padding: clamp(28px, 5vw, 56px);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
}
.inverse .h2 { max-width: 16ch; }
.inverse p { color: #bdbdbd; margin-top: 12px; max-width: 44ch; }

/* FAQ */
.faq { border-top: 1px solid var(--gallery-plate); max-width: 900px; }
.faq details { border-bottom: 1px solid var(--gallery-plate); }
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  font-size: var(--text-heading-sm);
  letter-spacing: -0.035em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  flex: none;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--gallery-plate);
  transition: transform .2s, background .15s;
}
.faq details[open] summary::after { transform: rotate(45deg); background: var(--lime); border-color: var(--lime); }
.faq summary:hover::after { background: var(--chalk); }
.faq details[open] summary:hover::after { background: var(--lime); }
.faq .answer { padding: 0 48px 24px 0; max-width: 70ch; color: #1d1d1d; }
.faq .answer p + p, .faq .answer ul { margin-top: .8em; }
.faq .answer ul li { padding-left: 16px; position: relative; }
.faq .answer ul li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; border-radius: 50%; background: var(--carbon); }

/* Legal */
.legal { max-width: 72ch; }
.legal h2 { font-size: var(--text-heading); margin: 40px 0 12px; letter-spacing: -0.035em; }
.legal p, .legal li { color: #1d1d1d; }
.legal p + p { margin-top: .9em; }
.legal ul { margin-top: .6em; }
.legal ul li { padding: 4px 0 4px 16px; position: relative; }
.legal ul li::before { content: ""; position: absolute; left: 0; top: .9em; width: 6px; height: 6px; border-radius: 50%; background: var(--carbon); }

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

.form { display: grid; gap: 18px; max-width: 720px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form__row { grid-template-columns: 1fr; } }

.field { display: grid; gap: 8px; }
.field label, .field legend { font-size: var(--text-body-sm); }
.field .opt { color: var(--muted); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 18px;
  background: var(--chalk);
  border: 1px solid var(--gallery-plate);
  border-radius: var(--radius-pill);
  font-size: var(--text-body);
  outline: none;
  transition: border-color .15s, background .15s;
}
.field textarea { border-radius: 22px; min-height: 180px; resize: vertical; line-height: 1.45; }
.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #000 50%), linear-gradient(135deg, #000 50%, transparent 50%);
  background-position: calc(100% - 22px) 52%, calc(100% - 17px) 52%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 44px;
}
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--carbon); background: var(--paper); }
.field [aria-invalid="true"] { border-color: #c4001a; }
.field__hint { font-size: var(--text-caption); color: var(--muted); }
.field__error { font-size: var(--text-caption); color: #c4001a; min-height: 0; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; border: 0; padding: 0; margin: 0; }
.chips legend { margin-bottom: 8px; padding: 0; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chip span {
  display: inline-flex;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  background: var(--chalk);
  border: 1px solid var(--gallery-plate);
  font-size: var(--text-body-sm);
  transition: background .15s;
}
.chip input:checked + span { background: var(--carbon); color: var(--paper); border-color: var(--carbon); }
.chip input:focus-visible + span { outline: 2px solid var(--carbon); outline-offset: 2px; }
.chip:hover span { background: var(--concrete); }
.chip input:checked:hover + span { background: #262626; }

.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.form__foot p { font-size: var(--text-caption); color: var(--muted); max-width: 44ch; }
.form__status { font-size: var(--text-body-sm); }
.form__status.is-error { color: #c4001a; }

.btn[disabled] { opacity: .55; cursor: progress; }

.success {
  max-width: 720px;
  padding: clamp(24px, 4vw, 40px);
  border-radius: 28px;
  background: var(--chalk);
}
.success .h2 { margin: 18px 0 12px; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer {
  margin-top: var(--section-gap);
  padding: 22px var(--gutter) 28px;
  border-top: 1px solid var(--gallery-plate);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  font-size: var(--text-caption);
  color: var(--muted);
}
.footer nav { display: flex; gap: 4px; flex-wrap: wrap; }
.footer nav a { padding: 3px 8px; border-radius: var(--radius-pill); color: var(--carbon); }
.footer nav a:hover { background: var(--lime); }
.footer strong { font-weight: 500; color: var(--carbon); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .8, .2, 1); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .nav { transition: none; }
}