/* EVG Tech — ink on washi paper. One accent colour only. */

:root {
  --paper: #F1EADF;      /* washi */
  --ink: #1E1C1A;        /* sumi */
  --ink-soft: #57534D;   /* diluted sumi, 6.4:1 on paper */
  --rule: rgba(30, 28, 26, 0.18);
  --wash: rgba(30, 28, 26, 0.045);
  --red: #B5432F;        /* the only accent; ~4.6:1 on paper */

  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", Georgia, serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;

  --measure: 38rem;
  --wide: 60rem;
  --gutter: 1rem;

  color-scheme: light;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--paper);
  /* faint paper fibre, drawn inline: no image request */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .12 0 0 0 0 .11 0 0 0 0 .1 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.8;
  letter-spacing: 0.01em;
}

main { flex: 1; }

.wrap {
  width: 100%;
  max-width: calc(var(--wide) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.prose { max-width: var(--measure); }
/* a reading column that still lines up with the page's left edge */
.wrap.prose { max-width: calc(var(--wide) + 2 * var(--gutter)); }
.wrap.prose > * { max-width: var(--measure); }

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

/* ---------- type ---------- */

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.02em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3rem); font-weight: 500; }
h2 { font-size: clamp(1.35rem, 1.15rem + 0.9vw, 1.7rem); margin-top: 2.2em; }
h3 { font-size: 1.15rem; margin-top: 1.8em; }

p, ul, ol, dl { margin: 0 0 1.1em; }
ul, ol { padding-left: 1.25em; }
li + li { margin-top: 0.35em; }

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: var(--measure);
}

.muted { color: var(--ink-soft); }
.small { font-size: 0.92rem; }

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover { color: var(--red); text-decoration-thickness: 2px; }

a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
  border-radius: 2px;
}

strong { font-weight: 700; }

/* ---------- skip link ---------- */

.skip {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 10;
  padding: 0.5rem 0.9rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}
.skip:focus { top: 0.75rem; color: var(--paper); }

/* ---------- header ---------- */

.site-header { border-bottom: 1px solid var(--rule); }

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
}
.brand:hover { color: var(--ink); }
.brand:hover .seal { transform: rotate(-6deg); }

.seal {
  /* a plain hanko: red stamp with a thin inner frame, no letters */
  display: inline-block;
  flex: none;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 3px;
  background: var(--red);
  box-shadow: inset 0 0 0 3px var(--red), inset 0 0 0 4.5px var(--paper);
  transform: rotate(-2deg);
  transition: transform 0.3s ease;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav li + li { margin-top: 0; }

.site-nav a {
  display: inline-block;
  padding: 0.35rem 0;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { border-bottom-color: var(--red); color: var(--ink); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--ink); }

/* ---------- sections ---------- */

.hero {
  padding: clamp(3rem, 2rem + 6vw, 6rem) 0 clamp(2rem, 1.5rem + 3vw, 3.5rem);
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 48rem) {
  .hero-grid { grid-template-columns: 1fr auto; gap: 4rem; }
}

.hero-art { display: block; width: 13rem; height: auto; }

@media (max-width: 47.99rem) {
  .hero-art { order: -1; width: 4.5rem; margin-bottom: -0.5rem; }
}

.section { padding: 1rem 0 3.5rem; }

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.9rem;
}

/* products: no boxes, just ink rules */
.products {
  display: grid;
  border-top: 1px solid var(--rule);
}

@media (min-width: 48rem) {
  .products { grid-template-columns: 1fr 1fr; }
  .products .product { padding-right: 2.5rem; }
  .products .product + .product { border-left: 1px solid var(--rule); padding-left: 2.5rem; }
}

.product {
  padding: 2rem 0;
  border-bottom: 1px solid var(--rule);
}

.product h3 { margin-top: 0; font-size: 1.45rem; }
.product .tag { font-size: 0.92rem; color: var(--ink-soft); margin-top: -0.4rem; }

.more { font-weight: 500; }
.more::after { content: " \2192"; }

/* company facts */
.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.4rem 1.5rem;
}
.facts dt { color: var(--ink-soft); }
.facts dd { margin: 0; }

@media (max-width: 26rem) {
  .facts { grid-template-columns: 1fr; gap: 0; }
  .facts dd { margin-bottom: 0.7rem; }
}

/* features */
.features {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1.6rem 3rem;
}
@media (min-width: 48rem) {
  .features { grid-template-columns: 1fr 1fr; }
}
.features li + li { margin-top: 0; }
.features h3 { margin: 0 0 0.3rem; font-size: 1.1rem; }
.features p { margin: 0; color: var(--ink-soft); }

/* screenshot placeholders */
.shots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.6rem, 2vw, 1.5rem);
  max-width: 34rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}
.shots li + li { margin-top: 0; }
.shot {
  aspect-ratio: 9 / 19.5;
  border: 1px dashed var(--ink-soft);
  border-radius: 1.1rem;
  background: var(--wash);
  display: grid;
  place-items: center;
  padding: 0.5rem;
  text-align: center;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* store badge placeholders: swap for the official badges at launch */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0.5rem;
  padding: 0;
  list-style: none;
}
.badges li + li { margin-top: 0; }
.badge {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-width: 10.5rem;
  min-height: 3.25rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 0.55rem;
  line-height: 1.25;
}
.badge small { font-size: 0.75rem; color: var(--ink-soft); letter-spacing: 0.04em; }
.badge span { font-family: var(--serif); font-weight: 600; font-size: 1.05rem; }

/* FAQ */
.faq { margin-top: 1rem; }
.faq details { border-top: 1px solid var(--rule); }
.faq details:last-of-type { border-bottom: 1px solid var(--rule); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 2rem 1rem 0;
  position: relative;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.5;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.25rem;
  top: 0.95rem;
  font-family: var(--sans);
  font-weight: 400;
  color: var(--red);
}
.faq details[open] summary::after { content: "\2212"; }
.faq .answer { padding: 0 0 1rem; }
.faq .answer > :last-child { margin-bottom: 0; }

.callout {
  border-left: 2px solid var(--red);
  padding: 0.2rem 0 0.2rem 1.1rem;
  margin: 1.5rem 0;
}

.big-email {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 1rem + 2vw, 1.9rem);
  overflow-wrap: anywhere;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 3rem;
  padding: 2rem 0 2.5rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem 2rem;
}
.site-footer p { margin: 0; }
.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer li + li { margin-top: 0; }
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--red); }

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

@media print {
  body { background: #fff; }
  .site-nav, .skip { display: none; }
}