/* ==========================================================================
   memoblok.com — site styles
   Hand-written, no build step, no external requests.
   Every colour literal lives in :root and is referenced by name below.
   ========================================================================== */

/* --- Fonts: self-hosted, latin subset. Do not link Google Fonts. ---------- */
@font-face {
  font-family: "Nunito Sans";
  src: url(../fonts/NunitoSans-Regular.woff2) format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Nunito Sans";
  src: url(../fonts/NunitoSans-Bold.woff2) format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Nunito Sans";
  src: url(../fonts/NunitoSans-ExtraBold.woff2) format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* --- Tokens -------------------------------------------------------------- */
:root {
  /* Palette */
  --paper: #f3f1e9;
  --white: #fff;
  --ink: #3a3a3a;
  --dim: #7a7a7f;        /* DarkGrey — 3.8:1 on Paper. Large/bold only. */
  --dim-text: #5f5f66;   /* DarkGrey darkened to 5.6:1 — safe for body copy. */
  --iris: #6e4fa8;
  --iris-deep: #5b3f8e;  /* Iris pressed/hover state. */
  --slab: #2b2a27;
  --slab-dim: #c9c6be;
  --hairline: rgba(58, 58, 58, 0.14);
  --wash: rgba(120, 120, 128, 0.16);
  --shadow: 0 4px 10px rgba(74, 58, 110, 0.1);

  /* Pigments — feature cards / chips */
  --clay: #de6e56;      --clay-text: #a8422c;      --clay-pale: #f7e1d9;
  --marigold: #e8a33d;  --marigold-text: #96601a;  --marigold-pale: #faebd0;
  --moss: #7ea96a;      --moss-text: #4c7040;      --moss-pale: #e5eedc;
  --lagoon: #4fa8a2;    --lagoon-text: #2c6e6a;    --lagoon-pale: #dbecea;
  --denim: #6e93c8;     --denim-text: #3d5f92;     --denim-pale: #e0e7f3;
  --plum: #a183c4;      --plum-text: #6a4e91;      --plum-pale: #eae2f3;
  --rosewood: #d97ba0;  --rosewood-text: #a6446c;  --rosewood-pale: #f7e0e8;
  --cocoa: #b08968;     --cocoa-text: #7a5738;     --cocoa-pale: #efe4d9;

  /* 4pt spacing grid */
  --s-xs: 4px;  --s-sm: 8px;  --s-md: 12px; --s-lg: 16px;
  --s-xl: 20px; --s-2xl: 24px; --s-3xl: 32px; --s-4xl: 48px;

  /* Radius encodes role, not size */
  --r-inner: 12px; --r-control: 16px; --r-card: 20px; --r-pill: 999px;

  --gutter: 24px;
  --maxw: 1080px;
  --section: 96px;
}

@media (max-width: 768px) {
  :root { --gutter: 20px; --section: 64px; }
}

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

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

body {
  margin: 0;
  background: var(--paper) url(../img/grain.png) repeat;
  background-size: 128px 128px;  /* the tile is only seamless at 128px */
  color: var(--ink);
  font: 400 17px/1.6 "Nunito Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

/* Beats the display: of whatever it lands on — .btn is inline-flex. */
[hidden] { display: none !important; }

a { color: var(--iris); text-underline-offset: 2px; }
a:hover { color: var(--iris-deep); }

:focus-visible { outline: 2px solid var(--iris); outline-offset: 2px; border-radius: 4px; }

h1, h2, h3 { margin: 0 0 var(--s-lg); }
h1 { font-size: 48px; font-weight: 800; line-height: 1.1; letter-spacing: -0.5px; }
h2 { font-size: 28px; font-weight: 800; line-height: 1.2; }
h3 { font-size: 20px; font-weight: 700; line-height: 1.3; }
p  { margin: 0 0 var(--s-lg); }
p:last-child { margin-bottom: 0; }

@media (max-width: 768px) {
  h1 { font-size: 34px; }
  h2 { font-size: 24px; }
}

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

.eyebrow {
  font-size: 14px; font-weight: 800; line-height: 1.4;
  letter-spacing: 0.4px; text-transform: uppercase;
  color: var(--iris); margin: 0 0 var(--s-sm);
}

.lede { font-size: 19px; }
.muted { color: var(--dim-text); }
.small { font-size: 14px; line-height: 1.5; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--slab); color: #fff; padding: var(--s-md) var(--s-lg);
  border-radius: 0 0 var(--r-inner) 0; z-index: 100; text-decoration: none;
}
.skip-link:focus { left: 0; color: #fff; }

/* --- Surfaces ------------------------------------------------------------
   Rule 1: every white surface gets a hairline; the border draws the shape,
           the shadow only lifts it.
   Rule 2: only content surfaces get a shadow. Controls are flat.
   ------------------------------------------------------------------------ */
.card {
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
  padding: var(--s-2xl);
}

.card h3 { margin-bottom: var(--s-sm); }
.card p  { color: var(--dim-text); margin-bottom: 0; }

.grid {
  display: grid;
  gap: var(--s-lg);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* --- Controls (flat: hairline, never a shadow) ---------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--s-sm);
  min-height: 48px; padding: 0 var(--s-xl);
  border: 1px solid var(--iris); border-radius: var(--r-control);
  background: var(--iris); color: #fff;
  font-weight: 800; font-size: 17px; text-decoration: none;
  transition: transform 50ms ease, background-color 120ms ease;
}
.btn:hover { background: var(--iris-deep); border-color: var(--iris-deep); color: #fff; }
.btn:active { transform: scale(0.97); background: var(--iris-deep); }

.btn-quiet {
  background: transparent; color: var(--iris);
  border-color: var(--hairline);
}
.btn-quiet:hover { background: var(--plum-pale); color: var(--iris-deep); border-color: var(--hairline); }

/* Chips — flat, accent-filled surfaces set their border to their own fill. */
.chip {
  display: inline-flex; align-items: center; gap: var(--s-sm);
  padding: 6px var(--s-md);
  border-radius: var(--r-pill);
  font-size: 14px; font-weight: 800; line-height: 1.5;
  background: var(--plum-pale); border: 1px solid var(--plum-pale);
  color: var(--iris);
}

/* --- Header / nav -------------------------------------------------------- */
.site-header { border-bottom: 1px solid var(--hairline); }

.site-header nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-lg); min-height: 72px;
}

.brand {
  display: inline-flex; align-items: center; gap: var(--s-sm);
  font-weight: 800; font-size: 19px; color: var(--ink); text-decoration: none;
}
.brand img { border-radius: 7px; }
.brand:hover { color: var(--ink); }

#nav-links {
  display: flex; align-items: center; gap: var(--s-2xl);
  list-style: none; margin: 0; padding: 0;
}
#nav-links a {
  color: var(--ink); text-decoration: none; font-weight: 700; font-size: 16px;
}
#nav-links a:hover, #nav-links a[aria-current="page"] { color: var(--iris); }

.nav-toggle {
  display: none;
  align-items: center; gap: var(--s-sm);
  min-height: 44px; padding: 0 var(--s-lg);
  background: transparent; border: 1px solid var(--hairline);
  border-radius: var(--r-control);
  color: var(--ink); font: 700 15px/1 "Nunito Sans", sans-serif;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }

  /* Floating over content ⇒ dark, never white. A hairline between two
     whites is a seam, not a boundary. */
  #nav-links {
    display: none;
    position: absolute; left: var(--gutter); right: var(--gutter); top: 68px;
    z-index: 20;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--slab); border-radius: var(--r-card);
    padding: var(--s-sm);
    box-shadow: 0 12px 28px rgba(43, 42, 39, 0.28);
  }
  #nav-links.open { display: flex; }
  #nav-links li + li { border-top: 1px solid rgba(255, 255, 255, 0.08); }
  #nav-links a {
    display: block; padding: var(--s-md) var(--s-lg);
    color: #fff; font-size: 17px;
  }
  #nav-links a:hover, #nav-links a[aria-current="page"] { color: var(--slab-dim); }
  .site-header nav { position: relative; }
}

/* --- Sections ------------------------------------------------------------ */
main { display: block; }
section { padding-block: var(--section); }
section + section { padding-top: 0; }
section > :last-child { margin-bottom: 0; }

.section-head { max-width: 44rem; margin-bottom: var(--s-3xl); }
.section-head p { color: var(--dim-text); margin-bottom: 0; }

/* --- Hero ---------------------------------------------------------------- */
.hero { padding-block: var(--s-4xl) var(--section); text-align: center; }
.hero-icon {
  width: 96px; height: 96px; border-radius: 22px;
  border: 1px solid var(--hairline); box-shadow: var(--shadow);
  margin-bottom: var(--s-2xl);
}
.hero h1 { max-width: 16ch; margin-inline: auto; }
.hero .lede { max-width: 56ch; margin-inline: auto; color: var(--dim-text); }
.hero .lede strong { color: var(--ink); font-weight: 800; }
.hero-actions {
  display: flex; flex-wrap: wrap; gap: var(--s-md);
  justify-content: center; align-items: center; margin-top: var(--s-2xl);
}

/* --- Feature cards ------------------------------------------------------- */
.feature img { width: 48px; height: 48px; margin-bottom: var(--s-md); display: block; }

/* Scroll reveal — guarded, and off entirely for reduced motion. */
.reveal { opacity: 0; transform: translateY(12px); }
.reveal.in { opacity: 1; transform: none; transition: opacity 400ms ease, transform 400ms ease; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.in { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
  * { scroll-behavior: auto !important; }
}

/* --- Example bloks ------------------------------------------------------- */
.blok {
  display: flex; align-items: center; gap: var(--s-lg);
  background: var(--white); border: 1px solid var(--hairline);
  border-radius: var(--r-card); box-shadow: var(--shadow);
  padding: var(--s-lg) var(--s-xl);
}
.blok-icon {
  flex: none; width: 44px; height: 44px; border-radius: var(--r-inner);
  display: grid; place-items: center;
}
.blok-icon img { width: 30px; height: 30px; }
/* Scoped to .blok-text, not .blok — a bare `.blok span` also matches
   .blok-icon and, being more specific, would override its display:grid. */
.blok-text strong { display: block; font-size: 17px; }
.blok-text span { display: block; font-size: 14px; color: var(--dim-text); }

/* --- Prose (privacy, terms, delete-account) ------------------------------ */
.prose { max-width: 46rem; }
.prose h2 { margin-top: var(--s-4xl); }
.prose h2:first-of-type { margin-top: var(--s-3xl); }
.prose h3 { margin-top: var(--s-2xl); }
.prose ul, .prose ol { margin: 0 0 var(--s-lg); padding-left: var(--s-2xl); }
.prose li { margin-bottom: var(--s-sm); }
.prose li:last-child { margin-bottom: 0; }
.prose table { border-collapse: collapse; width: 100%; margin-bottom: var(--s-lg); }
.prose th, .prose td {
  text-align: left; padding: var(--s-md); border-bottom: 1px solid var(--hairline);
  vertical-align: top; font-size: 16px;
}
.prose th { font-weight: 800; }

.updated {
  display: inline-block; font-size: 14px; font-weight: 700;
  color: var(--dim-text); margin-bottom: var(--s-2xl);
}

.note {
  background: var(--white); border: 1px solid var(--hairline);
  border-left: 4px solid var(--iris);
  border-radius: var(--r-inner); padding: var(--s-lg) var(--s-xl);
  margin-bottom: var(--s-lg);
}

/* Table wrappers must scroll themselves; the page never scrolls sideways. */
.scroll-x { overflow-x: auto; }

/* --- /join invite paste flow ---------------------------------------------
   The link has to survive an in-app browser with no address bar, so it is set
   as selectable text first and a copy button second.
   ------------------------------------------------------------------------ */
.invite-link {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--r-inner);
  padding: var(--s-md) var(--s-lg);
  margin-bottom: var(--s-md);
}
.invite-link code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 15px; line-height: 1.5; color: var(--ink);
  /* One tap selects the whole link, so a long-press → Copy gets all of it. */
  -webkit-user-select: all; user-select: all;
  /* A token has no spaces to break at; the page must not scroll sideways. */
  overflow-wrap: anywhere; word-break: break-all;
}

.copy-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-md);
  margin-bottom: 0;
}

/* --- FAQ (native <details>, no JS) --------------------------------------- */
.faq { display: grid; gap: var(--s-md); }
.faq details {
  background: var(--white); border: 1px solid var(--hairline);
  border-radius: var(--r-card); box-shadow: var(--shadow);
}
.faq summary {
  cursor: pointer; list-style: none;
  padding: var(--s-lg) var(--s-xl);
  font-weight: 700; font-size: 18px;
  display: flex; justify-content: space-between; align-items: center; gap: var(--s-lg);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; flex: none; color: var(--iris); font-size: 22px; font-weight: 800; line-height: 1;
}
.faq details[open] summary::after { content: "\2013"; }
.faq details[open] summary { padding-bottom: var(--s-sm); }
.faq .faq-body { padding: 0 var(--s-xl) var(--s-xl); color: var(--dim-text); }
.faq .faq-body :last-child { margin-bottom: 0; }

/* --- Contact block ------------------------------------------------------- */
address { font-style: normal; }
.contact-card address { line-height: 1.7; }

/* --- Footer -------------------------------------------------------------- */
.site-footer {
  background: var(--slab); color: #fff;
  padding-block: var(--s-4xl);
  margin-top: var(--section);
}
.site-footer .wrap { display: grid; gap: var(--s-2xl); }
.site-footer address { font-size: 15px; line-height: 1.7; color: var(--slab-dim); }
.site-footer address strong { color: #fff; font-weight: 800; }
.site-footer a { color: var(--slab-dim); }
.site-footer a:hover { color: #fff; }
.site-footer nav { font-size: 15px; color: var(--slab-dim); }
.site-footer .legal { font-size: 14px; line-height: 1.5; color: var(--slab-dim); margin: 0; }
.site-footer :focus-visible { outline-color: var(--slab-dim); }

@media (min-width: 769px) {
  .site-footer .wrap {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
  .site-footer nav { grid-column: 2; grid-row: 1; text-align: right; }
  .site-footer .legal { grid-column: 1 / -1; }
}

/* --- 404 ----------------------------------------------------------------- */
.center-page { text-align: center; padding-block: var(--section); }
.center-page p { max-width: 44ch; margin-inline: auto; color: var(--dim-text); }