/* Colors follow the app's design tokens (src/theme/tokens.ts). */
:root {
  --canvas: #F7F8F3;
  --surface: #FFFFFF;
  --ink: #202D27;
  --muted: #617068;
  --green: #2E6D4F;
  --green-pressed: #24573F;
  --on-green: #FFFFFF;
  --sage: #E8EFE3;
  --track: #C9D6C1;
  --line: #D5DDD0;
  --caution: #8B5B26;
  --error: #A23E2D;
  --band: #2E6D4F;
  --band-ink: #F2F6EF;
  --band-muted: #C9DCCD;
  --focus: #2E6D4F;

  --display: "Schibsted Grotesk", "Inter", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --canvas: #131B17;
    --surface: #1B2520;
    --ink: #E6EDE6;
    --muted: #A4B2A9;
    --green: #86C9A2;
    --green-pressed: #A3D8B8;
    --on-green: #10241A;
    --sage: #1D2A23;
    --track: #33463B;
    --line: #2C3A32;
    --caution: #E0B47A;
    --error: #F0A493;
    --band: #1F3D2E;
    --band-ink: #E6EDE6;
    --band-muted: #B3C8B9;
    --focus: #86C9A2;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --canvas: #131B17;
  --surface: #1B2520;
  --ink: #E6EDE6;
  --muted: #A4B2A9;
  --green: #86C9A2;
  --green-pressed: #A3D8B8;
  --on-green: #10241A;
  --sage: #1D2A23;
  --track: #33463B;
  --line: #2C3A32;
  --caution: #E0B47A;
  --error: #F0A493;
  --band: #1F3D2E;
  --band-ink: #E6EDE6;
  --band-muted: #B3C8B9;
  --focus: #86C9A2;
  color-scheme: dark;
}

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

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--display);
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }

a { color: var(--green); text-underline-offset: 0.15em; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: 16px;
}

@media (min-width: 640px) {
  .wrap { padding-inline: 32px; }
}

.skip {
  position: absolute;
  left: 16px;
  top: -100px;
  background: var(--surface);
  padding: 8px 12px;
  z-index: 10;
}
.skip:focus { top: 12px; }

/* Header */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.leaf {
  width: 34px;
  height: 34px;
  padding: 7px;
  border-radius: 10px;
  background: var(--green);
  fill: none;
  stroke: var(--on-green);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.header-link {
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 10px 2px;
}
.header-link:hover { text-decoration: underline; }

/* Hero */

.hero {
  display: grid;
  gap: 40px;
  padding-top: 24px;
  padding-bottom: 72px;
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
    padding-top: 48px;
    padding-bottom: 104px;
  }
  .hero-copy { padding-top: 24px; }
}

.hero h1 {
  font-size: clamp(2.35rem, 5.4vw, 4.1rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.035em;
  max-width: 13ch;
}

.lede {
  margin-top: 24px;
  max-width: 34rem;
  font-size: 1.15rem;
  color: var(--muted);
}

/* Signup form */

.signup { margin-top: 32px; max-width: 34rem; }

.field-label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.signup-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.signup input[type="email"] {
  flex: 1 1 220px;
  min-width: 0;
  min-height: 52px;
  padding: 0 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}
.signup input[type="email"]:focus-visible {
  outline-offset: 0;
  border-color: var(--focus);
}
.signup input[aria-invalid="true"] { border-color: var(--error); }

.signup button {
  flex: 0 0 auto;
  min-height: 52px;
  padding: 0 22px;
  border: 0;
  border-radius: 12px;
  background: var(--green);
  color: var(--on-green);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms;
}
.signup button:hover { background: var(--green-pressed); }
.signup button:disabled { opacity: 0.7; cursor: progress; }

@media (max-width: 479px) {
  .signup button { flex-basis: 100%; }
}

.platform {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 20px;
  border: 0;
  margin: 14px 0 0;
  padding: 0;
  font-size: 0.95rem;
}
.platform legend {
  float: left;
  padding: 0;
  margin-right: 4px;
  color: var(--muted);
}
.platform label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  cursor: pointer;
}
.platform input { accent-color: var(--green); width: 18px; height: 18px; margin: 0; }

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
}

.form-status {
  min-height: 1.55em;
  margin-top: 6px;
  font-size: 0.95rem;
  font-weight: 600;
}
.form-status[data-state="ok"] { color: var(--green); }
.form-status[data-state="error"] { color: var(--error); }

/* Demo: the app's home screen in miniature */

.demo {
  background: var(--sage);
  border-radius: 28px;
  padding: 24px;
}

@media (min-width: 640px) {
  .demo { padding: 32px; }
}

.demo-head h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.demo-head p { color: var(--muted); margin-top: 2px; font-size: 0.95rem; }

.foods {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.food {
  min-height: 40px;
  padding: 0 14px;
  border: 1.5px solid var(--track);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms, border-color 150ms, color 150ms;
}
.food:hover { border-color: var(--green); }
.food[aria-pressed="true"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--on-green);
}

.score {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--surface);
  border-radius: 20px;
}

.ring { width: 88px; height: 88px; flex: none; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 12; }
.ring-track { stroke: var(--track); }
.ring-fill {
  stroke: var(--green);
  stroke-linecap: round;
  stroke-dasharray: 326.73;
  stroke-dashoffset: 326.73;
  transition: stroke-dashoffset 300ms cubic-bezier(0.2, 0, 0, 1);
}

.score-text { display: flex; flex-direction: column; }
.score-value {
  font-family: var(--display);
  font-weight: 800;
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.score-label { color: var(--muted); font-size: 0.95rem; margin-top: 4px; }

.groups {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.group {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px 3.2em;
  align-items: center;
  gap: 12px;
  padding: 7px 0;
  font-size: 0.9rem;
}
@media (min-width: 400px) {
  .group { grid-template-columns: minmax(0, 1fr) 96px 3.2em; }
}

.group-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.bar {
  height: 8px;
  border-radius: 999px;
  background: var(--track);
  overflow: hidden;
}
.bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--green);
  transition: width 300ms cubic-bezier(0.2, 0, 0, 1);
}
.group[data-status="building"] .bar span { background: var(--caution); }
.group[data-status="attention"] .bar span { background: var(--muted); }

.group-pct {
  text-align: right;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.demo-note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--muted);
}

/* How it works */

.steps { padding-bottom: 96px; }

.steps h2, .faq h2, .join h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.step-list {
  list-style: none;
  counter-reset: step;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 32px;
}

@media (min-width: 720px) {
  .step-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 48px; }
}
@media (min-width: 1040px) {
  .step-list { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
}

.step-list li {
  counter-increment: step;
  border-top: 2px solid var(--ink);
  padding-top: 16px;
}
.step-list li::before {
  content: counter(step);
  display: block;
  font-family: var(--display);
  font-weight: 800;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--green);
  margin-bottom: 16px;
}
.step-list h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; }
.step-list p { margin-top: 8px; color: var(--muted); }

/* What we're careful about */

.careful { background: var(--band); color: var(--band-ink); }

.careful-inner { padding-block: 80px; }

.careful h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  max-width: 18ch;
}

.careful-list {
  margin: 40px 0 0;
  display: grid;
  gap: 28px;
}
@media (min-width: 720px) {
  .careful-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 56px; }
}

.careful-list dt {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.2rem;
}
.careful-list dd {
  margin: 6px 0 0;
  color: var(--band-muted);
  max-width: 36rem;
}

/* FAQ */

.faq { padding-block: 96px 32px; }

.faq h2 { margin-bottom: 24px; }

.faq details { max-width: 820px; border-bottom: 1px solid var(--line); }
.faq details:first-of-type { border-top: 1px solid var(--line); }

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-weight: 600;
  font-size: 1.05rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--display);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--green);
  transition: transform 180ms;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-bottom: 20px; color: var(--muted); max-width: 40rem; }

/* Join */

.join { padding-block: 72px 96px; }
.join > p { margin-top: 12px; color: var(--muted); max-width: 34rem; }
.join .signup { margin-top: 24px; }

/* Footer */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-block: 28px 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}
.site-footer nav { display: flex; gap: 20px; }

/* Text pages (privacy, support) */

.doc { max-width: 720px; padding-top: 32px; padding-bottom: 96px; }
.doc h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
}
.doc .updated { margin-top: 12px; color: var(--muted); }
.doc h2 {
  margin-top: 44px;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.doc p, .doc ul { margin-top: 12px; }
.doc ul { padding-left: 1.25em; }
.doc li + li { margin-top: 6px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}