/* Layout: a black full-screen opener carrying one enormous wordmark and the
   slogan; everything after sits on white, left-aligned, on a narrow reading
   measure, with the three sizes set as ruled columns like an equipment
   schedule. Black and white only. No icons, no cards. */

:root {
  --ink: #000;
  --paper: #fff;
  --ink-2: #6b6b6b;      /* secondary text on paper */
  --paper-2: #a8a8a8;    /* secondary text on ink */
  --rule: #d4d4d4;
  --rule-dark: #3a3a3a;

  --display: "Bricolage Grotesque", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --body: "Newsreader", Georgia, "Times New Roman", serif;

  --measure: 62ch;
  --max: 1200px;
  --gutter-l: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));

  color-scheme: light;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.125rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; }

a { color: inherit; }

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

/* ---------- Placeholders: anything inside a dashed box is not final ---------- */

.todo {
  outline: 1.5px dashed currentColor;
  outline-offset: 3px;
  border-radius: 2px;
}

.draftnote {
  font-family: var(--display);
  font-size: 0.8125rem;
  line-height: 1.3;
  background: var(--paper);
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  padding-block: 0.5rem;
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
  outline-offset: -4px;
}

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

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.02;
  margin: 0;
  text-wrap: balance;
}

h2 {
  font-size: clamp(2.25rem, 5vw, 4rem);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

p { margin: 0; }

.prose {
  max-width: var(--measure);
  display: grid;
  gap: 1.1em;
}

.prose.large {
  font-size: 1.3125rem;
  line-height: 1.5;
}

.muted { color: var(--ink-2); }
.dark .muted { color: var(--paper-2); }

.note {
  font-family: var(--display);
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--ink-2);
  max-width: var(--measure);
}

/* ---------- Bands and gutters ---------- */

.band {
  padding-block: clamp(4rem, 9vw, 7.5rem);
}

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

.band.tight {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.inner {
  max-width: var(--max);
  margin-inline: auto;
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
}

.inner > * + * { margin-top: 0; }

.band + .band:not(.dark) { border-top: 1px solid var(--rule); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  letter-spacing: 0.005em;
  padding: 0.85em 1.3em;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  text-decoration: none;
  color: inherit;
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover { text-decoration: underline; text-underline-offset: 0.2em; }

.btn.primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.hero .btn.primary,
.dark .btn.primary,
.topbar.solid .btn.primary {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* ---------- Top bar ---------- */

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 1.5rem;
  flex-wrap: wrap;
  padding-block: 1.1rem;
}

.topbar.solid {
  background: var(--ink);
  color: var(--paper);
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
}

.topbar.solid .row {
  max-width: var(--max);
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 1.5rem;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 80%;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1;
}

.wordmark.small { font-size: 1.375rem; }

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-family: var(--display);
  font-weight: 500;
  font-size: 0.9375rem;
}

.nav a { text-decoration: none; }
.nav a:not(.btn):hover { text-decoration: underline; text-underline-offset: 0.25em; }
.nav .btn { font-size: 0.9375rem; padding: 0.7em 1.1em; }

@media (max-width: 640px) {
  .nav a:not(.btn) { display: none; }
}

/* ---------- Hero ---------- */

.hero {
  background: var(--ink);
  color: var(--paper);
  min-height: calc(100svh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
}

.hero > .inner {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
}

.hero-main {
  margin-top: auto;
  padding-block: clamp(2.5rem, 6vw, 4rem) clamp(2rem, 5vw, 3.5rem);
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.hero .mark {
  font-size: clamp(4.75rem, 26vw, 26rem);
  font-weight: 800;
  font-stretch: 80%;
  letter-spacing: -0.03em;
  line-height: 0.82;
  text-transform: uppercase;
  margin: 0 0 0 -0.04em;
  animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  overflow-wrap: anywhere;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(0.12em); }
  to   { opacity: 1; transform: none; }
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2rem 4rem;
  align-items: end;
}

.slogan {
  font-family: var(--body);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.75rem, 4.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 14ch;
  text-wrap: balance;
}

.hero-side {
  display: grid;
  gap: 1.5rem;
  max-width: 44ch;
}

.hero .lede {
  font-size: 1.1875rem;
  line-height: 1.5;
  color: var(--paper-2);
}

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ---------- Two-column sections ---------- */

.cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem 4rem;
}

.cols > * { min-width: 0; }

.cols .prose { gap: 0.8em; }

@media (max-width: 760px) {
  .cols { grid-template-columns: 1fr; }
}

/* ---------- Sizes ---------- */

.tiers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 3rem 2.5rem;
  margin-top: clamp(2rem, 4vw, 3rem);
}

.tier {
  border-top: 2px solid var(--ink);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  min-width: 0;
}

.tier h3 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
}

.tier .for {
  font-style: italic;
  color: var(--ink-2);
  margin-top: -0.6rem;
}

.spec {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.4rem 1.25rem;
  margin: 0.25rem 0 0;
  font-family: var(--display);
  font-size: 0.9375rem;
  line-height: 1.4;
}

.spec dt { color: var(--ink-2); font-weight: 500; }
.spec dd { margin: 0; font-variant-numeric: tabular-nums; }

.tier .price {
  font-family: var(--display);
  font-size: 1.625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: auto;
  padding-top: 0.5rem;
}

.tier .support {
  font-family: var(--display);
  font-size: 0.9375rem;
  color: var(--ink-2);
  margin-top: -0.6rem;
}

.tier .btn { align-self: flex-start; }

@media (max-width: 900px) {
  .tiers { grid-template-columns: 1fr; gap: 3rem; }
  .tier .price { margin-top: 0.25rem; }
}

/* ---------- Why local (dark) ---------- */

.args {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem 3rem;
}

.args > * { min-width: 0; }

.args h3 { margin-bottom: 0.6rem; }

.args p { color: var(--paper-2); }

.dark .btn { border-color: var(--paper); }

@media (max-width: 900px) {
  .args { grid-template-columns: 1fr; }
}

/* ---------- How it works: a real sequence, so it is numbered ---------- */

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem 3rem;
}

.steps li { min-width: 0; }

.steps li::before {
  counter-increment: step;
  content: counter(step);
  display: block;
  font-family: var(--display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; }
}

/* ---------- Questions ---------- */

.faq {
  display: grid;
  gap: 0;
  max-width: 920px;
}

.faq .qa {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: 0.5rem 3rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--rule);
}

.faq .qa:last-child { border-bottom: 1px solid var(--rule); }

.faq h3 { font-size: 1.25rem; margin: 0; }

@media (max-width: 680px) {
  .faq .qa { grid-template-columns: 1fr; }
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2rem 4rem;
  align-items: start;
}

.contact-grid > * { min-width: 0; }

.contact-grid .big {
  font-family: var(--body);
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.2;
  max-width: 20ch;
  text-wrap: balance;
}

.contact-side {
  display: grid;
  gap: 1.25rem;
}

.email {
  font-family: var(--display);
  font-size: 1.125rem;
  user-select: all;
}

@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; }
}

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

.footer {
  border-top: 1px solid var(--rule);
  padding-block: 2rem 2.5rem;
  font-family: var(--display);
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.footer .inner {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem 2rem;
  flex-wrap: wrap;
}

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

.footer nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer nav a { text-decoration: none; }
.footer nav a:hover { text-decoration: underline; text-underline-offset: 0.25em; }

/* ---------- Article pages ---------- */

.article {
  max-width: var(--measure);
  margin-inline: auto;
  padding-block: clamp(3rem, 7vw, 6rem) clamp(4rem, 8vw, 7rem);
  padding-left: var(--gutter-l);
  padding-right: var(--gutter-r);
  display: grid;
  gap: 1.25em;
  font-size: 1.25rem;
  line-height: 1.6;
}

.article h1 {
  font-size: clamp(2.5rem, 6.5vw, 5rem);
  line-height: 0.98;
  margin-bottom: 0.25em;
}

.article .byline {
  font-family: var(--display);
  font-size: 0.9375rem;
  color: var(--ink-2);
  margin-bottom: 1.5em;
}

.article h2 {
  font-size: clamp(1.625rem, 3vw, 2.25rem);
  margin: 1.25em 0 0;
}

.article .actions { margin-top: 1.5em; }

/* ---------- Motion ---------- */

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