/* Eco — landing & legal pages
   Visual language mirrors the mobile app: warm paper, ink text,
   Inter for UI, Newsreader serif for the wordmark. Light only. */

:root {
  --paper: #f5f3ee;
  --surface: #ffffff;
  --card: #e8e4dc;
  --ink: #1b1b1a;
  --ink2: #3a3936;
  --meta: #8a867d;
  --meta-soft: #c4bfb5;
  --hairline: #e6e0d4;
  --hairline-soft: #f0ebe0;
  --danger: #c9382e;

  --maxw: 44rem;
  --pad: clamp(1.25rem, 5vw, 2.5rem);

  --r-sm: 10px;
  --r-md: 16px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--meta-soft);
  transition: border-color 0.15s ease, color 0.15s ease;
}

a:hover {
  border-color: var(--ink);
}

/* ---------- Layout ---------- */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.site-header {
  padding: 2rem 0 0;
}

.wordmark {
  font-family: "Newsreader", Georgia, "Times New Roman", serif;
  font-weight: 700;
  font-size: 2.25rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
  border: none;
  display: inline-block;
}

.wordmark:hover {
  color: var(--ink);
}

.site-footer {
  margin-top: 5rem;
  padding: 2.5rem 0 4rem;
  border-top: 1px solid var(--hairline);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.footer-links a {
  border: none;
  color: var(--ink2);
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: var(--ink);
}

.footer-meta {
  color: var(--meta);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-meta a {
  border-bottom-color: var(--hairline);
}

/* ---------- Type ---------- */

h1 {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin: 0 0 0.5rem;
}

h2 {
  font-weight: 600;
  font-size: 1.375rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 2.75rem 0 0.75rem;
}

h3 {
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  margin: 1.75rem 0 0.5rem;
}

p {
  margin: 0 0 1.1rem;
  color: var(--ink2);
}

ul {
  margin: 0 0 1.1rem;
  padding-left: 1.25rem;
  color: var(--ink2);
}

li {
  margin-bottom: 0.4rem;
}

strong {
  color: var(--ink);
  font-weight: 600;
}

.lede {
  color: var(--meta);
  font-size: 0.9375rem;
  margin-bottom: 2rem;
}

/* ---------- Legal document ---------- */

.doc {
  padding-top: 3rem;
}

.doc h1 {
  margin-bottom: 0.25rem;
}

.doc hr {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 2.5rem 0;
}

.back {
  display: inline-block;
  margin: 2rem 0 0;
  font-size: 0.9375rem;
  color: var(--meta);
  border: none;
}

.back:hover {
  color: var(--ink);
}

.back::before {
  content: "← ";
}

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

.hero {
  padding: 4rem 0 1rem;
}

.hero .tagline {
  font-family: "Newsreader", Georgia, serif;
  font-weight: 600;
  font-size: clamp(2.25rem, 7vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 1.5rem 0 1rem;
}

.hero .tagline em {
  font-style: italic;
  color: var(--ink2);
}

.hero .sub {
  font-size: 1.0625rem;
  color: var(--meta);
  max-width: 32rem;
}

/* ---------- Cards (home links) ---------- */

.cards {
  display: grid;
  gap: 0.875rem;
  margin: 3rem 0 1rem;
}

.card {
  display: block;
  padding: 1.375rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--meta-soft);
  transform: translateY(-1px);
}

.card .card-title {
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

.card .card-desc {
  color: var(--meta);
  font-size: 0.9375rem;
  line-height: 1.5;
}

/* ---------- Callout (delete page) ---------- */

.callout {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 1.5rem 1.625rem;
  margin: 2rem 0;
}

.callout.steps {
  counter-reset: step;
}

.callout h3 {
  margin-top: 0;
}

.steps ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps ol li {
  position: relative;
  padding-left: 2.25rem;
  margin-bottom: 1rem;
  color: var(--ink2);
}

.steps ol li:last-child {
  margin-bottom: 0;
}

.steps ol li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.625rem;
  height: 1.625rem;
  display: grid;
  place-items: center;
  background: var(--card);
  color: var(--ink);
  border-radius: 50%;
  font-size: 0.8125rem;
  font-weight: 600;
}

.notice {
  border-left: 2px solid var(--danger);
  padding: 0.25rem 0 0.25rem 1rem;
  margin: 1.5rem 0;
  color: var(--ink2);
  font-size: 0.9375rem;
}

.btn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.75rem 1.375rem;
  background: var(--ink);
  color: var(--paper);
  border: none;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: 0.9375rem;
}

.btn:hover {
  color: var(--paper);
  opacity: 0.9;
}

/* small print used for placeholders the owner must fill in */
.todo {
  color: var(--meta);
}