/* Plan2Panel website
   Shop paper, plan blue and birch: the colours of a drawing pinned up next to a stack of plywood. */
:root {
  --paper: #f2f4f5;
  --paper-2: #e7ebee;
  --white: #ffffff;
  --ink: #18222f;
  --graphite: #56626f;
  --line: #c9d1d8;
  --blue: #2458a6;
  --blue-deep: #1b4785;
  --birch: #e3c38e;
  --birch-light: #f5ecda;
  --edge: #9c7442;
  --display: 'Archivo', 'Arial Narrow', system-ui, sans-serif;
  --body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: var(--blue);
}
a:hover {
  color: var(--blue-deep);
}
:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 2px;
}
.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--white);
  padding: 8px 12px;
  z-index: 10;
}
.skip:focus {
  left: 8px;
}

/* ── Type ── */
h1,
h2,
h3 {
  font-family: var(--display);
  color: var(--ink);
  margin: 0;
}
h1 {
  font-size: clamp(2.5rem, 4.6vw, 4.25rem);
  font-weight: 800;
  font-stretch: 118%;
  line-height: 0.98;
  letter-spacing: -0.015em;
}
h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.7rem);
  font-weight: 750;
  font-stretch: 112%;
  line-height: 1.05;
  letter-spacing: -0.01em;
}
h3 {
  font-size: 1.125rem;
  font-weight: 700;
  font-stretch: 106%;
  line-height: 1.25;
}
p {
  margin: 0;
}
.lede {
  font-size: 1.1875rem;
  line-height: 1.55;
  max-width: 34em;
  margin-top: 1.25rem;
}
.sub {
  max-width: 40em;
  margin-top: 0.85rem;
  color: var(--graphite);
}
.fine {
  font-size: 0.875rem;
  color: var(--graphite);
  margin-top: 0.9rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  min-height: 48px;
  padding: 0.7em 1.3em;
  border-radius: 4px;
  border: 1.5px solid var(--blue);
  background: var(--blue);
  color: var(--white);
  font: 600 1rem/1.2 var(--body);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover {
  background: var(--blue-deep);
  border-color: var(--blue-deep);
  color: var(--white);
}
.btn-quiet {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-quiet:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}
.btn-small {
  min-height: 40px;
  padding: 0.5em 1em;
  font-size: 0.9375rem;
}
.ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 1.75rem;
}

/* ── Header ── */
.top {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top-in {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font: 800 1.2rem/1 var(--display);
  font-stretch: 112%;
}
.logo:hover {
  color: var(--ink);
}
.nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9688rem;
}
.nav a:hover {
  color: var(--blue);
}

/* ── Hero ── */
.hero {
  padding: clamp(40px, 7vw, 88px) 0 clamp(48px, 7vw, 96px);
}
.hero-in {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero-fig {
  margin: 0;
}
.hero-fig figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--graphite);
  margin-top: 10px;
}
.replay {
  flex: none;
  background: none;
  border: 0;
  padding: 4px 0;
  color: var(--blue);
  font: 500 0.875rem var(--body);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

/* The plan-to-panels drawing */
.pp {
  display: block;
  width: 100%;
  height: auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.pp text {
  font-family: var(--body);
  fill: var(--ink);
}
.pp-carcass {
  fill: var(--white);
  stroke: var(--ink);
  stroke-width: 1.4;
}
.pp-kick {
  fill: var(--paper-2);
  stroke: var(--ink);
  stroke-width: 1;
}
.pp-ghost {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1;
}
.pp-pull {
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
}
.pp-dim line {
  stroke: var(--graphite);
  stroke-width: 0.8;
}
.pp-dim text {
  font-size: 11px;
  fill: var(--graphite);
}
.pp-list text {
  font-size: 11.5px;
}
.pp-list .pp-th {
  font-weight: 600;
  fill: var(--graphite);
}
.pp-rule {
  stroke: var(--line);
  stroke-width: 1;
}
.pp-total {
  font-weight: 600;
}
.pp-sheet {
  fill: var(--birch-light);
  stroke: var(--edge);
  stroke-width: 1.2;
}
.pp-cap {
  font-size: 11.5px;
  fill: var(--graphite) !important;
}
.pp-part rect {
  fill: var(--birch);
  stroke: var(--edge);
  stroke-width: 1;
}
.pp-part[data-kind='front'] rect {
  fill: #dbe5f3;
  stroke: var(--blue);
}
.pp-part {
  transform-box: fill-box;
  transform-origin: center;
}
.pp-lab {
  font-size: 9.5px;
  font-weight: 600;
}
.pp-dims {
  font-size: 8.5px;
  fill: var(--graphite) !important;
}
.pp.is-animating .pp-row,
.pp.is-animating .pp-total {
  opacity: 0;
}
.pp .pp-row,
.pp .pp-total {
  transition: opacity 0.35s ease;
}
.pp.is-animating .pp-row.is-on,
.pp.is-animating .pp-total.is-on {
  opacity: 1;
}

/* ── Sections ── */
.steps,
.shop,
.beyond,
.pricing,
.faq {
  padding: clamp(56px, 8vw, 104px) 0;
}
.steps {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* Step viewer */
.stepper {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(28px, 4vw, 44px);
  align-items: start;
}
.step-list {
  display: flex;
  flex-direction: column;
}
.step-list button {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: start;
  text-align: left;
  padding: 14px 14px 14px 12px;
  background: none;
  border: 0;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--line);
  color: var(--graphite);
  font: 400 0.9375rem/1.5 var(--body);
  cursor: pointer;
}
.step-list button:first-child {
  border-top: 1px solid var(--line);
}
.step-list button b {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1.5px solid var(--line);
  border-radius: 50%;
  font: 700 0.9375rem/1 var(--display);
  color: var(--graphite);
}
.step-list button strong {
  display: block;
  font: 700 1.0625rem/1.3 var(--display);
  font-stretch: 108%;
  color: var(--ink);
  margin-bottom: 2px;
}
.step-list button span {
  display: block;
}
.step-list button:hover {
  background: var(--paper);
}
.step-list button[aria-selected='true'] {
  border-left-color: var(--blue);
  background: var(--paper);
  color: var(--ink);
}
.step-list button[aria-selected='true'] b {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}
.step-panels figure {
  margin: 0;
}
.step-panels img,
.shot img {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

/* Shop */
.shop-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px 24px;
  margin-top: clamp(28px, 4vw, 44px);
}
.shot {
  margin: 0;
}
.shot figcaption {
  font-size: 0.9375rem;
  color: var(--graphite);
  margin-top: 8px;
  max-width: 44em;
}
.shot figcaption strong {
  color: var(--ink);
}
.shot-big {
  grid-row: span 2;
}
.specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 44px);
  margin-top: clamp(40px, 5vw, 64px);
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 2px solid var(--ink);
}
.specs ul,
.included {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}
.specs li,
.included li {
  position: relative;
  padding-left: 22px;
  margin-top: 10px;
  font-size: 0.9688rem;
}
.specs li::before,
.included li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 11px;
  height: 7px;
  background: var(--birch);
  border: 1px solid var(--edge);
}

/* Beyond */
.beyond {
  background: var(--paper-2);
}
.beyond-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: clamp(28px, 4vw, 44px);
}
.also {
  margin-top: 28px;
  max-width: 46em;
}

/* Pricing */
.pricing-in {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
.price-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: 6px;
  padding: clamp(24px, 4vw, 40px);
}
.price {
  margin-top: 18px;
  font: 800 clamp(2.6rem, 5vw, 3.6rem)/1 var(--display);
  font-stretch: 115%;
}
.price small {
  font: 500 1rem var(--body);
  color: var(--graphite);
  margin-left: 6px;
  letter-spacing: 0;
}
.included {
  margin-top: 22px;
}
.reqs {
  padding-top: 8px;
}
.reqs dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 12px 20px;
  margin: 16px 0 0;
}
.reqs dt {
  font-weight: 600;
}
.reqs dd {
  margin: 0;
  color: var(--graphite);
}

/* FAQ */
.faq {
  background: var(--white);
  border-top: 1px solid var(--line);
}
.faq-in {
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
  gap: clamp(24px, 4vw, 56px);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list details:first-child {
  border-top: 1px solid var(--line);
}
.faq-list summary {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.0625rem;
  list-style: none;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary::after {
  content: '+';
  font: 500 1.4rem/1 var(--display);
  color: var(--blue);
}
.faq-list details[open] summary::after {
  content: '−';
}
.faq-list details p {
  padding: 0 0 20px;
  max-width: 40em;
  color: var(--graphite);
}

/* Footer */
.foot {
  background: var(--ink);
  color: #c8d0d8;
  padding: 32px 0;
  font-size: 0.9375rem;
}
.foot-in {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.foot a {
  color: var(--white);
}

/* ── Narrow screens ── */
@media (max-width: 960px) {
  .hero-in,
  .stepper,
  .pricing-in,
  .faq-in {
    grid-template-columns: 1fr;
  }
  .specs {
    grid-template-columns: 1fr;
  }
  .step-list {
    flex-direction: row;
    overflow-x: auto;
    scrollbar-width: thin;
  }
  .step-list button {
    flex: none;
    grid-template-columns: 30px auto;
    border-left: 0;
    border-bottom: 3px solid transparent;
    border-top: 0 !important;
    padding: 10px 14px;
  }
  .step-list button span {
    font-size: 0;
  }
  .step-list button strong {
    font-size: 1rem;
    margin: 4px 0 0;
  }
  .step-list button[aria-selected='true'] {
    border-bottom-color: var(--blue);
  }
  .step-panels .step-note {
    display: block;
  }
}
@media (max-width: 720px) {
  .nav {
    display: none;
  }
  .top-in {
    justify-content: space-between;
  }
  .shop-grid,
  .beyond-grid {
    grid-template-columns: 1fr;
  }
  .shot-big {
    grid-row: auto;
  }
  .hero-fig figcaption {
    flex-direction: column;
    gap: 4px;
  }
}
.step-note {
  display: none;
  margin-top: 12px;
  font-size: 0.9688rem;
  color: var(--graphite);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}