/* ==========================================================================
   Solarize. Pre-launch site.
   Mobile first. No build step. No third-party requests.

   Contents
     1. Tokens
     2. Fonts
     3. Base
     4. Layout helpers
     5. Shared components (buttons, status, cell shape, switch)
     6. Header and navigation
     7. Hero
     8. How it works
     9. Project owners
    10. Companies
    11. Why Solarize
    12. Where we are
    13. Questions
    14. Get involved
    15. Footer
    16. Small pages (404)
    17. Motion and print
   ========================================================================== */

/* 1. Tokens
   Layout idea: left-aligned copy on a white, daylight page. One bold artwork
   (the sun seen through a grid of solar cells). The cell, a square with cut
   corners, is the shape that carries state everywhere else: lit means set,
   unlit means not yet. */
:root {
  --ink: #0B1F44;          /* cell blue: headings, controls, dark sections */
  --text: #24324D;         /* body copy */
  --muted: #55627A;        /* secondary copy */
  --paper: #FFFFFF;        /* page */
  --sky: #EEF4FB;          /* tinted bands and panels */
  --sky-2: #D9E5F3;        /* lines on sky, skeleton bars */
  --line: #D5DEE9;         /* hairlines on white */
  --sun: #FFC233;          /* the one accent */
  --sun-deep: #F2A900;     /* hover on sun */
  --on-cell: #FFFFFF;      /* text on cell blue */
  --on-cell-muted: #C3CFE3;
  --cell-line: rgba(255, 255, 255, 0.18);

  /* five steps of light, from first proposal to full power */
  --lit-1: #FFF4D6;
  --lit-2: #FFE9AE;
  --lit-3: #FFDD85;
  --lit-4: #FFD05C;
  --lit-5: #FFC233;

  --font-display: "Funnel Display", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --font-body: "Funnel Sans", "Avenir Next", "Segoe UI", system-ui, sans-serif;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: clamp(1.1875rem, 1.1rem + 0.4vw, 1.375rem);
  --step-2: clamp(1.25rem, 1.15rem + 0.45vw, 1.5rem);
  --step-3: clamp(1.625rem, 1.35rem + 1.3vw, 2.375rem);
  --step-4: clamp(2rem, 1.5rem + 2.4vw, 3.375rem);
  --step-5: clamp(2.5rem, 1.55rem + 4.6vw, 5.25rem);

  --gutter: 1.25rem;
  --section-y: clamp(4rem, 2.6rem + 6vw, 7.5rem);
  --container: 76rem;
  --header-h: 4rem;
  --radius: 6px;
  --chamfer: 14px;
}

@media (min-width: 40rem) {
  :root { --gutter: 2rem; }
}

@media (min-width: 72rem) {
  :root { --gutter: 3rem; --header-h: 4.5rem; }
}

/* 2. Fonts (self-hosted, SIL Open Font License 1.1) */
@font-face {
  font-family: "Funnel Display";
  src: url("../assets/fonts/funnel-display-latin-wght-normal.woff2") format("woff2");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Funnel Sans";
  src: url("../assets/fonts/funnel-sans-latin-wght-normal.woff2") format("woff2");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}

/* 3. Base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

h1,
h2,
h3 {
  color: var(--ink);
  font-family: var(--font-display);
  text-wrap: balance;
}

h1 {
  font-size: var(--step-5);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

h2 {
  font-size: var(--step-4);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.025em;
}

h3 {
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

p {
  text-wrap: pretty;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 0.14em;
}

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

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

sub {
  font-size: 0.62em;
  line-height: 0;
  vertical-align: baseline;
  position: relative;
  bottom: -0.2em;
}

::selection {
  background: var(--sun);
  color: var(--ink);
}

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

[hidden] {
  display: none !important;
}

/* 4. Layout helpers */
.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-y);
}

.section--sky {
  background: var(--sky);
}

.section--cell {
  background: var(--ink);
  color: var(--on-cell-muted);
}

.section--cell h2,
.section--cell h3 {
  color: var(--on-cell);
}

.section--cell :focus-visible {
  outline-color: var(--sun);
}

.section--flush-top {
  padding-top: 0;
}

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 1.4rem + 2.6vw, 3.5rem);
}

.section-head > * + * {
  margin-top: 1rem;
}

.lead {
  font-size: var(--step-1);
  line-height: 1.45;
  max-width: 40rem;
}

.note {
  color: var(--muted);
  font-size: 0.9375rem;
  max-width: 40rem;
}

.section--cell .note {
  color: var(--on-cell-muted);
}

.nowrap {
  white-space: nowrap;
}

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

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 0.5rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--on-cell);
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
  outline-color: var(--sun);
}

/* 5. Shared components */

/* The cell shape: a square with its corners cut, like a solar cell. */
.cell-shape {
  clip-path: polygon(
    var(--chamfer) 0,
    calc(100% - var(--chamfer)) 0,
    100% var(--chamfer),
    100% calc(100% - var(--chamfer)),
    calc(100% - var(--chamfer)) 100%,
    var(--chamfer) 100%,
    0 calc(100% - var(--chamfer)),
    0 var(--chamfer)
  );
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.5rem 1.25rem;
  border: 0;
  border-radius: var(--radius);
  font-weight: 650;
  font-size: 1rem;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.btn--sun {
  background: var(--sun);
  color: var(--ink);
}

.btn--sun:hover {
  background: var(--sun-deep);
}

.btn--ink {
  background: var(--ink);
  color: var(--on-cell);
}

.btn--ink:hover {
  background: #17316A;
}

.btn--quiet {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--ink);
}

.btn--quiet:hover {
  background: var(--sky);
}

.btn--small {
  min-height: 2.5rem;
  padding-inline: 1rem;
  font-size: 0.9375rem;
}

.btn[disabled],
.btn[aria-disabled="true"] {
  cursor: default;
  opacity: 0.6;
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Status: a small cell that is lit (set) or unlit (not yet). */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.3;
}

.section--cell .status {
  color: var(--on-cell);
}

.cell-dot {
  --chamfer: 3px;
  position: relative;
  flex: none;
  width: 0.875rem;
  height: 0.875rem;
  background: var(--sun);
}

.cell-dot--unlit {
  background: currentColor;
}

.cell-dot--unlit::after {
  --chamfer: 2px;
  content: "";
  position: absolute;
  inset: 2px;
  background: var(--dot-hole, var(--paper));
  clip-path: polygon(
    var(--chamfer) 0,
    calc(100% - var(--chamfer)) 0,
    100% var(--chamfer),
    100% calc(100% - var(--chamfer)),
    calc(100% - var(--chamfer)) 100%,
    var(--chamfer) 100%,
    0 calc(100% - var(--chamfer)),
    0 var(--chamfer)
  );
}

.section--sky .cell-dot--unlit,
.panel .cell-dot--unlit {
  --dot-hole: var(--sky);
}

.section--cell .cell-dot--unlit {
  --dot-hole: var(--ink);
}

/* Switch: a row of choices, one pressed. Used for views and tabs. */
.switch {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--paper);
  border-radius: calc(var(--radius) + 0.25rem);
  box-shadow: inset 0 0 0 1px var(--sky-2);
}

.switch__btn {
  min-height: 2.75rem;
  padding: 0.25rem 0.75rem;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink);
  font-weight: 650;
  font-size: 0.9375rem;
  line-height: 1.2;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.switch__btn:hover {
  background: var(--sky);
}

.switch__btn[aria-pressed="true"],
.switch__btn[aria-selected="true"] {
  background: var(--ink);
  color: var(--on-cell);
}

@media (max-width: 24.3rem) {
  .switch { display: flex; flex-wrap: nowrap; }
  .switch__btn { flex: 1 1 auto; padding-inline: 0.5rem; font-size: 0.875rem; white-space: nowrap; }
}

@media (max-width: 22.49rem) {
  .switch__btn { padding-inline: 0.375rem; font-size: 0.8125rem; }
}

@media (min-width: 40rem) {
  .switch { flex-wrap: nowrap; }
  .switch__btn { padding-inline: 1rem; white-space: nowrap; }
}

.switch-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 600;
}

/* 6. Header and navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  backdrop-filter: saturate(1.4) blur(12px);
  box-shadow: 0 1px 0 transparent;
  transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  box-shadow: 0 1px 0 var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: none;
  padding-block: 0.5rem;
  color: var(--ink);
  text-decoration: none;
}

.wordmark {
  width: auto;
  height: 1.5rem;
}

.wordmark__ink {
  fill: currentColor;
}

.wordmark__sun {
  fill: var(--sun);
}

.site-header__status {
  display: none;
  font-size: 0.8125rem;
}

@media (min-width: 23.5rem) {
  .site-header__status { display: inline-flex; }
}

.site-nav {
  margin-left: auto;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.25rem 0.75rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--sky);
  color: var(--ink);
  font-weight: 650;
  font-size: 0.9375rem;
}

.nav-toggle__close,
.nav-toggle[aria-expanded="true"] .nav-toggle__open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__close {
  display: block;
}

.site-nav__list {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  flex-direction: column;
  gap: 0;
  padding: 0.5rem var(--gutter) 1.5rem;
  background: var(--paper);
  box-shadow: 0 1px 0 var(--line), 0 24px 32px -24px rgba(11, 31, 68, 0.25);
}

.site-nav__list.is-open {
  display: flex;
}

.site-nav__link {
  display: block;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav__cta {
  margin-top: 1.25rem;
}

.site-nav__cta .btn {
  width: 100%;
  min-height: 3rem;
  font-size: 1rem;
}

@media (min-width: 62rem) {
  .nav-toggle { display: none; }

  .site-nav__list {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
    padding: 0;
    background: none;
    box-shadow: none;
  }

  .site-nav__link {
    padding: 0.5rem 0.75rem;
    border: 0;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
  }

  .site-nav__link:hover {
    background: var(--sky);
  }

  .site-nav__link[aria-current] {
    box-shadow: inset 0 -2px 0 var(--sun);
    border-radius: 0;
  }

  .site-nav__cta {
    margin: 0 0 0 0.5rem;
  }

  .site-nav__cta .btn {
    width: auto;
    min-height: 2.5rem;
    font-size: 0.9375rem;
  }

  .wordmark { height: 1.75rem; }
}

/* 7. Hero */
.hero {
  padding-top: clamp(1.75rem, 1rem + 3vw, 4rem);
  overflow: hidden;
}

/* The artwork always ends on a full row of cells, standing on the next band. */

.hero__grid {
  display: grid;
  gap: 2.25rem;
}

.hero__copy > * + * {
  margin-top: 1.25rem;
}

.hero__copy .lead {
  max-width: 36rem;
}

.paths {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.path {
  --chamfer: 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 5.5rem;
  padding: 1rem 1rem 1rem 1.25rem;
  background: var(--sky);
  color: var(--ink);
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.path:hover {
  background: var(--sun);
}

.path:focus-visible {
  outline-offset: -3px;
}

.path__title {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3125rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.path__desc {
  display: block;
  margin-top: 0.25rem;
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.35;
  text-wrap: balance;
}

.path__go {
  --chamfer: 7px;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--ink);
  color: var(--on-cell);
}

.path__go .icon {
  transition: transform 0.15s ease;
}

.path:hover .path__go .icon {
  transform: translateY(2px);
}

.hero__aside {
  color: var(--muted);
  font-size: 0.9375rem;
}

.hero__aside a {
  color: var(--ink);
  font-weight: 600;
}

.hero-art {
  margin-inline: calc(var(--gutter) * -1);
  aspect-ratio: 640 / 510;
}

.hero-art__svg {
  width: 100%;
  height: 100%;
}

@media (min-width: 40rem) {
  .paths {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 40rem) and (max-width: 61.99rem) {
  .hero-art {
    width: min(100%, 34rem);
    margin-inline: auto calc(var(--gutter) * -1);
  }
}

@media (min-width: 62rem) {
  .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 3rem;
  }

  .hero__copy {
    padding-block: 2rem 3.5rem;
  }

  .hero-art {
    align-self: end;
    margin-inline: 0;
    aspect-ratio: 640 / 770;
  }
}

@media (min-width: 62rem) {
  .paths {
    grid-template-columns: 1fr;
    max-width: 30rem;
  }
}

/* 8. How it works */
.journey__top {
  margin-bottom: 2.25rem;
}

.journey__top .section-head {
  margin-bottom: 1.75rem;
}

.steps {
  display: grid;
  gap: 1.75rem;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  column-gap: 1rem;
  align-items: start;
}

.step::before {
  content: "";
  position: absolute;
  left: calc(1.5rem - 1px);
  top: 3rem;
  bottom: -1.75rem;
  width: 2px;
  background: var(--sky-2);
}

.step:last-child::before {
  content: none;
}

.step__cell {
  --chamfer: 7px;
  position: relative;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  background: var(--lit-1);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1;
}

.step:nth-child(2) .step__cell { background: var(--lit-2); }
.step:nth-child(3) .step__cell { background: var(--lit-3); }
.step:nth-child(4) .step__cell { background: var(--lit-4); }
.step:nth-child(5) .step__cell { background: var(--lit-5); }

.step__body {
  padding-top: 0.5rem;
}

.step__title {
  margin-bottom: 0.375rem;
}

.step__text {
  max-width: 34rem;
}

.step__who {
  display: none;
  font-weight: 650;
  color: var(--ink);
}

.journey[data-view="owner"] .step__text:not([data-view="owner"]),
.journey[data-view="company"] .step__text:not([data-view="company"]),
.journey[data-view="backer"] .step__text:not([data-view="backer"]) {
  display: none;
}

.journey__note {
  margin-top: 2.5rem;
}

@media (min-width: 62rem) {
  .journey__top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 3.5rem;
  }

  .journey__top .section-head {
    margin-bottom: 0;
  }

  .journey__controls {
    flex: none;
  }

  .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 2rem;
  }

  .step {
    display: block;
  }

  .step::before {
    left: 3rem;
    right: -2rem;
    top: calc(1.5rem - 1px);
    bottom: auto;
    width: auto;
    height: 2px;
  }

  .step__body {
    padding-top: 1.25rem;
  }

  .step__text {
    font-size: 1rem;
  }
}

/* 9. Project owners */
.split {
  display: grid;
  gap: 2.5rem;
}

.split__copy > * + * {
  margin-top: 1.25rem;
}

.points {
  margin-top: 2rem;
}

.point {
  padding-block: 1.125rem;
  border-top: 1px solid var(--line);
}

.point:last-child {
  border-bottom: 1px solid var(--line);
}

.point__term {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 700;
  line-height: 1.25;
}

.point__text {
  margin-top: 0.25rem;
}

.split__actions {
  margin-top: 2rem;
}

.preview {
  --chamfer: 18px;
  padding: 1.25rem;
  background: var(--sky);
}

.preview__caption {
  margin-top: 0.875rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.sheet {
  padding: 1.25rem;
  background: var(--paper);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 0.875rem;
  line-height: 1.3;
}

.sheet__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--line);
  font-weight: 650;
}

.sheet__tag {
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  background: var(--sky);
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 600;
}

.bar {
  display: block;
  height: 0.875rem;
  border-radius: 3px;
  background: var(--sky-2);
}

.bar--title { width: 62%; height: 1.5rem; margin-top: 1.125rem; }
.bar--sub { width: 38%; margin-top: 0.625rem; }
.bar--value { width: 3.25rem; height: 1.25rem; }
.bar--line { width: 100%; margin-top: 0.5rem; }
.bar--line-short { width: 70%; margin-top: 0.5rem; }

.sheet__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.sheet__stat-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.8125rem;
}

.sheet__stat-value {
  display: flex;
  align-items: flex-end;
  gap: 0.375rem;
  color: var(--muted);
  font-size: 0.8125rem;
}

.sheet__group {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.sheet__group-title {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-weight: 650;
}

.sheet__group-title span + span {
  color: var(--muted);
  font-weight: 500;
}

.sheet__track {
  height: 0.625rem;
  margin-top: 0.625rem;
  border-radius: 999px;
  background: var(--sky-2);
}

.sheet__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 0.75rem;
  margin-top: 0.75rem;
}

.sheet__list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sheet__box {
  flex: none;
  width: 0.875rem;
  height: 0.875rem;
  border: 1.5px solid var(--sky-2);
  border-radius: 2px;
}

.sheet__claims {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.sheet__claims li {
  padding: 0.3125rem 0.625rem;
  border: 1.5px dashed var(--sky-2);
  border-radius: 999px;
  color: var(--muted);
}

@media (min-width: 40rem) {
  .preview { padding: 2rem; }
  .sheet { padding: 1.5rem; font-size: 0.9375rem; }
}

@media (min-width: 62rem) {
  .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4.5rem;
    align-items: start;
  }

  .preview {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }
}

/* 10. Companies */
.products {
  display: grid;
  gap: 0;
}

.product {
  padding-block: 1.75rem;
  border-top: 1px solid var(--cell-line);
}

.product:last-child {
  border-bottom: 1px solid var(--cell-line);
}

.product__name {
  color: var(--on-cell);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: 0;
}

.product__unit {
  margin-top: 0.5rem;
  color: var(--sun);
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.product__facts {
  margin-top: 1.25rem;
}

.product__facts dt {
  margin-top: 1rem;
  color: var(--on-cell);
  font-size: 0.9375rem;
  font-weight: 650;
}

.product__facts dd {
  margin-top: 0.125rem;
}

.product .status {
  margin-top: 1.5rem;
}

.companies__rule {
  max-width: 44rem;
  margin-top: 2.5rem;
  color: var(--on-cell);
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.companies__actions {
  margin-top: 2rem;
}

@media (min-width: 62rem) {
  .products {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--cell-line);
    border-bottom: 1px solid var(--cell-line);
  }

  .product,
  .product:last-child {
    padding: 2.25rem 2.25rem 2.5rem;
    border: 0;
    border-left: 1px solid var(--cell-line);
  }

  .product:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .product:last-child {
    padding-right: 0;
  }

  .product {
    display: flex;
    flex-direction: column;
  }

  .product__unit {
    font-size: clamp(1.5rem, 2.55vw, 2.375rem);
  }

  .product__unit span {
    display: block;
  }

  .product .status {
    margin-top: auto;
    padding-top: 1.75rem;
  }
}

/* 11. Why Solarize */
.principles {
  display: grid;
  gap: 0;
}

.principle {
  padding-block: 1.5rem;
  border-top: 2px solid var(--ink);
}

.principle p {
  margin-top: 0.5rem;
  max-width: 30rem;
}

@media (min-width: 40rem) {
  .principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 2.5rem;
  }

  .principle {
    padding-block: 1.5rem 2.5rem;
  }
}

@media (min-width: 72rem) {
  .principles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 12. Where we are */
.board {
  display: grid;
  gap: 2.5rem;
}

.board__title {
  font-size: 1.1875rem;
  margin-bottom: 0.5rem;
}

.board__list li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding-block: 0.75rem;
  border-top: 1px solid var(--sky-2);
  color: var(--ink);
}

.board__list li:last-child {
  border-bottom: 1px solid var(--sky-2);
}

.board__list .cell-dot {
  top: 0.0625rem;
}

@media (min-width: 40rem) {
  .board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
  }
}

/* 13. Questions */
.faq {
  max-width: 52rem;
}

@media (min-width: 62rem) {
  .faq-layout {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 3rem;
    align-items: start;
  }

  .faq-layout .section-head {
    margin-bottom: 0;
  }
}

.faq__item {
  border-top: 1px solid var(--line);
}

.faq__item:last-child {
  border-bottom: 1px solid var(--line);
}

.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.125rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}

.faq__q::-webkit-details-marker {
  display: none;
}

.faq__q:focus-visible {
  outline-offset: -3px;
}

.faq__sign {
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
  transition: transform 0.2s ease;
}

.faq__item[open] .faq__sign {
  transform: rotate(45deg);
}

.faq__a {
  max-width: 42rem;
  padding-bottom: 1.5rem;
}

/* 14. Get involved */
.panel {
  --chamfer: 18px;
  padding: 1.5rem 1.25rem 1.75rem;
  background: var(--sky);
}

.panel__tabs {
  margin-bottom: 1.75rem;
}

.panel__grid {
  display: grid;
  gap: 1.75rem;
}

.ask__title {
  font-size: 1.3125rem;
}

.ask__intro {
  margin-top: 0.5rem;
}

.ask__list {
  margin-top: 1rem;
}

.ask__list li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding-block: 0.625rem;
  border-top: 1px solid var(--sky-2);
  color: var(--ink);
}

.ask__list li:last-child {
  border-bottom: 1px solid var(--sky-2);
}

.ask__list .cell-dot {
  top: 0.0625rem;
}

.contact {
  padding: 1.5rem 1.25rem;
  background: var(--paper);
  border-radius: var(--radius);
}

.contact__title {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 1.3125rem;
}

.contact__title .icon {
  width: 1.5rem;
  height: 1.5rem;
  margin-top: 0.0625rem;
}

.contact__text {
  margin-top: 0.5rem;
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.contact__address {
  margin-top: 1rem;
  color: var(--ink);
  font-weight: 650;
  overflow-wrap: anywhere;
}

.contact__feedback {
  min-height: 1.5rem;
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.involve__partners {
  margin-top: 1.5rem;
}

.form {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.field label,
.field__label {
  display: block;
  margin-bottom: 0.375rem;
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 650;
}

.field__opt {
  color: var(--muted);
  font-weight: 500;
}

.field input[type="text"],
.field input[type="email"],
.field textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.625rem 0.75rem;
  border: 1.5px solid #6F7F99;
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font-size: 1rem;
}

.field textarea {
  min-height: 7rem;
  resize: vertical;
}

.field input:focus-visible,
.field textarea:focus-visible {
  outline-offset: 0;
  border-color: var(--ink);
}

.field [aria-invalid="true"] {
  border-color: #B42318;
}

.field__error {
  margin-top: 0.375rem;
  color: #B42318;
  font-size: 0.9375rem;
  font-weight: 600;
}

.field--check {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.25rem 0.75rem;
  align-items: start;
}

.field--check input {
  width: 1.375rem;
  height: 1.375rem;
  margin: 0.125rem 0 0;
  accent-color: var(--ink);
}

.field--check label {
  margin: 0;
  font-weight: 500;
  color: var(--text);
}

.field--check .field__error {
  grid-column: 2;
  margin-top: 0;
}

.form__trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__status {
  min-height: 1.5rem;
  font-weight: 600;
  color: var(--ink);
}

.form__status[data-kind="error"] {
  color: #B42318;
}

@media (min-width: 40rem) {
  .panel { padding: 2.5rem; }
  .contact { padding: 2rem; }
}

@media (min-width: 62rem) {
  .panel { padding: 3rem; }

  .panel__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 3.5rem;
    align-items: start;
  }
}

/* 15. Footer */
.site-footer {
  padding-block: 3.5rem 2.5rem;
  background: var(--ink);
  color: var(--on-cell-muted);
  font-size: 0.9375rem;
}

.site-footer :focus-visible {
  outline-color: var(--sun);
}

.site-footer__grid {
  display: grid;
  gap: 2.5rem;
}

.site-footer .brand {
  color: var(--on-cell);
}

.site-footer .wordmark {
  height: 1.75rem;
}

.site-footer__notice {
  max-width: 38rem;
  margin-top: 1.25rem;
}

.site-footer__notice a {
  color: var(--on-cell);
}

.site-footer__notice strong {
  color: var(--on-cell);
  font-weight: 650;
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.25rem 1.5rem;
  align-content: start;
}

.site-footer__nav a {
  display: inline-block;
  padding-block: 0.5rem;
  color: var(--on-cell);
  font-weight: 600;
  text-decoration: none;
}

.site-footer__nav a:hover {
  text-decoration: underline;
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--cell-line);
  font-size: 0.875rem;
}

@media (min-width: 62rem) {
  .site-footer__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 4rem;
  }
}

/* 16. Small pages (404) */
.lost {
  display: grid;
  align-content: center;
  min-height: 70vh;
  padding-block: 4rem;
}

.lost > * + * {
  margin-top: 1.25rem;
}

/* 17. Motion and print */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

  /* The one orchestrated moment: the sun rises into the cells on load. */
  .hero-art__sun {
    animation: sunrise 1.5s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }

  @keyframes sunrise {
    from { transform: translate(-150px, 330px); }
    to { transform: none; }
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .nav-toggle,
  .skip-link {
    position: static;
  }

  .hero-art,
  .switch,
  .site-nav {
    display: none;
  }

  .section--cell,
  .site-footer {
    background: none;
    color: var(--text);
  }

  .section--cell h2,
  .section--cell h3,
  .product__unit,
  .companies__rule {
    color: var(--ink);
  }
}