/* ============================================================
   memorecool — colour-field poster system
   deliberately committed look (not OS-theme reactive)
   logo: double-o (two rings)
   ============================================================ */

:root {
  --green:      #0b4f40;   /* page background */
  --green-deep: #083a2f;   /* darker panels / footer */
  --green-card: #0e5d4b;   /* subtle card on green */
  --cream:      #f4efe2;   /* primary light / paper */
  --cream-2:    #e7dfcd;
  --ink:        #0b2a22;   /* dark text on cream */
  --ink-2:      #365448;
  --lime:       #d8f24a;
  --coral:      #ff6a4d;
  --blue:       #1565c0;   /* AUS Invoice brand */
  --blue-ink:   #0a3576;
  --radius:     22px;
  --radius-sm:  14px;
  --maxw:       1200px;
  --ease:       cubic-bezier(.2,.7,.3,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--green);
  color: var(--cream);
  font-family: "Helvetica Neue", "Arial", system-ui, sans-serif;
  font-size: 17px; line-height: 1.5;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--lime); color: var(--ink); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
@media (max-width: 560px){ .container { padding: 0 20px; } }
.mono { font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace; }

/* ---------- nav ---------- */
.nav { position: sticky; top: 0; z-index: 60; background: color-mix(in srgb, var(--green) 82%, transparent); backdrop-filter: blur(12px); }
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; font-size: 20px; letter-spacing: -.03em; color: var(--cream); }
.brand svg { display: block; flex: none; }
.nav-links { display: flex; align-items: center; gap: 12px; }
.nav-links a.txt { color: color-mix(in srgb, var(--cream) 78%, transparent); font-size: 15px; font-weight: 600; padding: 0 8px; transition: color .2s var(--ease); }
.nav-links a.txt:hover { color: var(--cream); }
@media (max-width: 700px){ .nav-links a.hide-sm { display: none; } }

/* ---------- pills / buttons ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 9px;
  height: 44px; padding: 0 20px; border-radius: 999px;
  font-size: 15px; font-weight: 700; letter-spacing: -.01em; cursor: pointer;
  border: 1.6px solid transparent; white-space: nowrap;
  transition: transform .16s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.pill:hover { transform: translateY(-1px); }
.pill-lime  { background: var(--lime);  color: var(--ink); }
.pill-coral { background: var(--coral); color: #3a0f06; }
.pill-cream { background: var(--cream); color: var(--ink); }
.pill-ghost { background: transparent; color: var(--cream); border-color: color-mix(in srgb, var(--cream) 34%, transparent); }
.pill-ghost:hover { border-color: var(--cream); }
.pill.sm { height: 38px; padding: 0 16px; font-size: 14px; }
.pill.static { cursor: default; } .pill.static:hover { transform: none; }

/* ---------- type ---------- */
.kicker {
  display: inline-block; background: var(--coral); color: #3a0f06;
  font-weight: 800; font-size: 12px; letter-spacing: .16em; text-transform: uppercase;
  padding: 8px 15px; border-radius: 999px;
}
.kicker.lime { background: var(--lime); color: var(--ink); }
.display { font-size: clamp(56px, 13vw, 168px); line-height: .84; letter-spacing: -.055em; font-weight: 800; }
.display .lime { color: var(--lime); } .display .coral { color: var(--coral); }
h2.big { font-size: clamp(34px, 6vw, 82px); line-height: .92; letter-spacing: -.04em; font-weight: 800; }
.lead { font-size: clamp(18px, 2.2vw, 22px); line-height: 1.4; color: color-mix(in srgb, var(--cream) 88%, transparent); max-width: 46ch; }
.eyebrow-line { font-family: ui-monospace, monospace; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: color-mix(in srgb, var(--cream) 60%, transparent); }

/* ---------- sections ---------- */
section { position: relative; }
.pad { padding: 92px 0; }
.pad-sm { padding: 56px 0; }
.hero { padding: 56px 0 40px; }
.hero .lead { margin-top: 28px; }
.cta-row { margin-top: 34px; display: flex; gap: 13px; flex-wrap: wrap; }

/* ---------- colour blocks grid ---------- */
.blocks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.blocks.two { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 820px){ .blocks { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .blocks, .blocks.two { grid-template-columns: 1fr; } }
.block {
  border-radius: var(--radius); padding: 28px 26px; min-height: 200px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.block .k { font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; opacity: .72; }
.block h3 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; letter-spacing: -.025em; line-height: 1.02; margin-top: 12px; }
.block p { font-size: 15px; line-height: 1.46; margin-top: 10px; opacity: .9; }
.bl-lime  { background: var(--lime);  color: var(--ink); }
.bl-cream { background: var(--cream); color: var(--ink); }
.bl-coral { background: var(--coral); color: #3a0f06; }
.bl-blue  { background: var(--blue);  color: #eaf1fb; }
.bl-deep  { background: var(--green-deep); color: var(--cream); border: 1.5px solid color-mix(in srgb, var(--cream) 14%, transparent); }
.block .ic { width: 40px; height: 40px; }
.block .ic svg { width: 40px; height: 40px; stroke: currentColor; fill: none; stroke-width: 1.7; }

/* ---------- app hero split ---------- */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
@media (max-width: 880px){ .split { grid-template-columns: 1fr; gap: 32px; } }
.app-tag { display: inline-flex; align-items: center; gap: 10px; background: var(--green-deep); border: 1.5px solid color-mix(in srgb,var(--cream) 16%,transparent); padding: 7px 15px 7px 8px; border-radius: 999px; font-size: 13.5px; font-weight: 700; color: var(--cream); }
.app-tag .ai { width: 30px; height: 30px; border-radius: 8px; }

/* phone mockup (hero) */
.phone { width: 300px; max-width: 78vw; aspect-ratio: 300/620; margin: 0 auto; position: relative; border-radius: 42px; padding: 11px; background: linear-gradient(150deg,#1c2a26,#06120e); box-shadow: 0 40px 90px -28px rgba(0,0,0,.55); }
.phone .screen { width: 100%; height: 100%; border-radius: 32px; overflow: hidden; position: relative; background: #f4f6fb; }
.phone .screen img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.phone .notch { position: absolute; top: 14px; left: 50%; transform: translateX(-50%); width: 96px; height: 26px; border-radius: 16px; background: #05120e; z-index: 3; }

/* screenshot gallery (real device screens) */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 900px){ .gallery { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
@media (max-width: 460px){ .gallery { grid-template-columns: 1fr; max-width: 300px; margin: 0 auto; } }
.shot .frame { border-radius: 30px; padding: 7px; background: linear-gradient(150deg,#1c2a26,#06120e); box-shadow: 0 26px 54px -22px rgba(0,0,0,.55); }
.shot .frame img { width: 100%; display: block; border-radius: 23px; }
.shot .cap { margin-top: 16px; }
.shot .cap .t { font-weight: 800; font-size: 15px; letter-spacing: -.01em; color: var(--cream); }
.shot .cap .d { font-size: 13.5px; color: color-mix(in srgb,var(--cream) 62%,transparent); margin-top: 3px; line-height: 1.4; }

/* ---------- band ---------- */
.band { border-radius: 26px; padding: 56px 40px; text-align: center; }
.band.lime { background: var(--lime); color: var(--ink); }
.band.cream { background: var(--cream); color: var(--ink); }
.band .lead { color: inherit; opacity: .85; margin: 14px auto 0; }

/* ---------- footer ---------- */
.footer { background: var(--green-deep); padding: 56px 0 44px; }
.footer .cols { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer .tag { color: color-mix(in srgb,var(--cream) 62%,transparent); font-size: 14px; max-width: 32ch; margin-top: 12px; }
.footer nav { display: flex; gap: 44px; flex-wrap: wrap; }
.footer h4 { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--lime); margin-bottom: 14px; }
.footer .col a { display: block; color: color-mix(in srgb,var(--cream) 74%,transparent); font-size: 15px; margin-bottom: 9px; transition: color .2s var(--ease); }
.footer .col a:hover { color: var(--cream); }
.footer .base { margin-top: 44px; padding-top: 22px; border-top: 1px solid color-mix(in srgb,var(--cream) 14%,transparent); display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; color: color-mix(in srgb,var(--cream) 55%,transparent); font-size: 13px; letter-spacing: .04em; }

/* ---------- paper sheet (legal / support) ---------- */
.sheet { background: var(--cream); color: var(--ink); border-radius: var(--radius); max-width: 820px; margin: 0 auto; padding: 56px clamp(24px,5vw,64px); }
.prose h1 { font-size: clamp(34px,6vw,60px); font-weight: 800; letter-spacing: -.04em; line-height: .95; }
.prose .updated { color: var(--ink-2); font-size: 14.5px; margin: 14px 0 36px; font-family: ui-monospace,monospace; letter-spacing: .02em; }
.prose h2 { font-size: 23px; font-weight: 800; letter-spacing: -.02em; margin: 40px 0 12px; }
.prose h3 { font-size: 17px; font-weight: 700; margin: 24px 0 8px; }
.prose p, .prose li { color: var(--ink-2); font-size: 16.5px; line-height: 1.7; }
.prose p { margin-bottom: 15px; } .prose ul { margin: 0 0 15px; padding-left: 22px; } .prose li { margin-bottom: 7px; }
.prose strong { color: var(--ink); font-weight: 750; }
.prose a { color: #0a7d64; text-decoration: underline; text-underline-offset: 3px; }
.prose .callout { background: #0b4f40; color: var(--cream); border-radius: var(--radius-sm); padding: 20px 22px; margin: 22px 0; }
.prose .callout a { color: var(--lime); }
.prose .callout p { color: var(--cream); margin: 0; }

/* ---------- faq ---------- */
.faq details { background: #fff; border: 1.5px solid var(--cream-2); border-radius: var(--radius-sm); padding: 2px 20px; margin-bottom: 12px; }
.faq summary { cursor: pointer; list-style: none; padding: 16px 0; font-weight: 750; font-size: 16.5px; color: var(--ink); display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: #0a7d64; font-size: 22px; font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--ink-2); font-size: 15.5px; line-height: 1.6; padding: 0 0 18px; }
.faq details a { color: #0a7d64; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- utilities ---------- */
.center { text-align: center; }
.mt-s{margin-top:12px} .mt-m{margin-top:24px} .mt-l{margin-top:44px}
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ .js .reveal{opacity:1;transform:none;transition:none} html{scroll-behavior:auto} }