/* Helakora's site: the app's own colours (ultramarine on near-black or warm grey), Archivo and DM Mono. */
:root {
  --bg: #F1F3F2; --surface: #FBFCFA; --surface2: #E4E8E7; --line: #D5DBDA;
  --fg: #11161A; --fg2: #4C565C; --fg3: #667077;
  --accent: #2A3AE0; --on-accent: #FFFFFF; --accent-wash: #E0E3FB; --accent-ink: #2A3AE0;
  --protein: #BC3526; --ok: #0A7A5C;
  --gutter: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E1113; --surface: #171B1E; --surface2: #22282C; --line: #2B3237;
    --fg: #E8ECEC; --fg2: #A7B0B5; --fg3: #7F898F;
    --accent: #4C5DFF; --on-accent: #FFFFFF; --accent-wash: #1B2046; --accent-ink: #A9B2FF;
    --protein: #E5604F; --ok: #4FC3A1;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 16px/1.55 Archivo, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
a { color: var(--accent-ink); }
.wrap { max-width: 1080px; margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }

/* Header */
.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); padding-top: env(safe-area-inset-top, 0px); }
.top .wrap { display: flex; align-items: center; gap: 12px; min-height: 64px; flex-wrap: wrap; padding-block: 8px; }
.brand { font-weight: 600; font-stretch: 125%; letter-spacing: 0.28em; font-size: 15px; color: var(--fg); text-decoration: none; margin-right: auto; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang button { border: 0; background: transparent; color: var(--fg2); font: 500 12px/1 "DM Mono", ui-monospace, monospace; letter-spacing: 0.06em; padding: 8px 10px; min-height: 34px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--surface2); color: var(--fg); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 20px; border-radius: 12px; font-weight: 500; text-decoration: none; border: 1px solid var(--line); background: var(--surface); color: var(--fg); cursor: pointer; font-size: 15px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn:hover { filter: brightness(1.06); }
.btn:focus-visible, .lang button:focus-visible, a:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 2px; }
.btn.small { min-height: 38px; padding: 0 14px; font-size: 14px; }
.btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }

/* Type */
.kicker { font: 500 12px/1.2 "DM Mono", ui-monospace, monospace; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg3); margin: 0 0 14px; }
h1 { font-weight: 300; font-stretch: 125%; font-size: clamp(32px, 5.4vw, 56px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 20px; text-wrap: balance; }
h2 { font-weight: 400; font-stretch: 125%; font-size: clamp(22px, 3vw, 28px); letter-spacing: -0.01em; margin: 0 0 18px; text-wrap: balance; }
h3 { font-size: 16px; font-weight: 600; margin: 0 0 6px; }
.lead { font-size: 18px; color: var(--fg2); max-width: 36em; margin: 0 0 28px; }
.muted { color: var(--fg3); }
.mail { font-family: "DM Mono", ui-monospace, monospace; font-size: 15px; user-select: all; }

/* Sections */
section { padding-block: 64px; border-top: 1px solid var(--line); }
.hero { border-top: 0; padding-block: 56px 72px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); gap: 48px; align-items: center; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.ask { margin: 18px 0 0; color: var(--fg2); font-size: 15px; }
.cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.box { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 24px; min-width: 0; }
.list { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.list li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 10px; color: var(--fg2); }
.list li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-top: 9px; margin-left: 4px; }
.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.principles p { margin: 0; color: var(--fg2); }
.num { font: 500 12px/1 "DM Mono", ui-monospace, monospace; color: var(--accent-ink); letter-spacing: 0.08em; display: block; margin-bottom: 12px; }
.story p { max-width: 40em; color: var(--fg2); font-size: 17px; margin: 0; }
footer { border-top: 1px solid var(--line); padding-block: 28px 40px; color: var(--fg3); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

/* The Today card: what the app shows, in its own units */
.phone { background: var(--surface); border: 1px solid var(--line); border-radius: 28px; padding: 22px; box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.45); max-width: 340px; width: 100%; justify-self: center; display: grid; gap: 18px; }
.phone .row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.phone .label { font: 500 11px/1.2 "DM Mono", ui-monospace, monospace; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg3); }
.phone .value { font-variant-numeric: tabular-nums; color: var(--fg); font-size: 15px; }
.curve { width: 100%; height: auto; display: block; color: var(--accent); }
.curve .peak { fill: var(--accent-wash); }
.curve .base { stroke: var(--line); }
.bar { height: 8px; border-radius: 999px; background: var(--surface2); overflow: hidden; }
.bar span { display: block; height: 100%; width: 82%; background: var(--protein); border-radius: 999px; }
.next { display: flex; gap: 12px; align-items: center; padding: 12px; border-radius: 14px; background: var(--surface2); }
.next .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ok); flex: none; }

/* Testers area */
.intro { padding-block: 48px 24px; }
.tgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.tgrid .box { display: grid; gap: 12px; align-content: start; }
.tgrid .box p { margin: 0; color: var(--fg2); }
.notice { border: 1px solid var(--accent); background: var(--accent-wash); border-radius: 14px; padding: 14px 16px; color: var(--fg); max-width: 40em; }
.soon { font-size: 13px; color: var(--fg3); }

@media (max-width: 820px) {
  .hero { grid-template-columns: minmax(0, 1fr); padding-block: 36px 56px; gap: 36px; }
  .cols, .principles, .tgrid { grid-template-columns: minmax(0, 1fr); }
  section { padding-block: 48px; }
  .top { position: static; }
}
@media (max-width: 480px) { .hide-narrow { display: none; } }
@media (prefers-reduced-motion: no-preference) { .btn { transition: filter 0.15s ease; } }