/* Reteum's site wears the app's own clothes: the green-grey ground with two soft colour pools, deep olive,
   a serif for thoughts and the system face for everything around them. One column, phones beside the words. */
:root {
  --ground: #EEF0EE;
  --ink: #16181A;
  --secondary: #5E6360;
  --faint: #8E938F;
  --hairline: #D3D6D1;
  --accent: #4C5719;
  --on-accent: #F6F4E6;
  --pool-a: #E0E3C4;
  --pool-b: #E7E0CF;
  --card: rgba(255, 255, 255, 0.62);
  --frame: #1C1E17;

  --serif: "Source Serif 4", "New York", ui-serif, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;

  --measure: 34rem;
  --page: 68rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #111314; --ink: #ECEDEB; --secondary: #9AA09C; --faint: #6E736F; --hairline: #2C302E;
    --accent: #A9B862; --on-accent: #16180C; --pool-a: #2B3017; --pool-b: #2A261E;
    --card: rgba(255, 255, 255, 0.06); --frame: #050605;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ground: #111314; --ink: #ECEDEB; --secondary: #9AA09C; --faint: #6E736F; --hairline: #2C302E;
  --accent: #A9B862; --on-accent: #16180C; --pool-a: #2B3017; --pool-b: #2A261E;
  --card: rgba(255, 255, 255, 0.06); --frame: #050605;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(38rem 38rem at 6% 2%, var(--pool-a), transparent 70%),
    radial-gradient(42rem 42rem at 100% 62%, var(--pool-b), transparent 70%),
    var(--ground);
  background-repeat: no-repeat;
  color: var(--ink);
  font: 17px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 0.18em; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--page); margin: 0 auto; padding-inline: clamp(16px, 5vw, 40px); }

/* header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 22px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand .icon { width: 36px; height: 36px; border-radius: 9px; box-shadow: 0 0 0 0.5px var(--hairline); }
.brand .word { height: 34px; width: auto; }
.word-dark { display: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .word-light { display: none; } :root:not([data-theme="light"]) .word-dark { display: block; } }
:root[data-theme="dark"] .word-light { display: none; }
:root[data-theme="dark"] .word-dark { display: block; }
.top nav { display: flex; gap: 22px; font-size: 15px; }
.top nav a { color: var(--secondary); text-decoration: none; }
.top nav a:hover { color: var(--ink); }

/* type */
h1, h2, h3 { font-family: var(--serif); font-weight: 500; text-wrap: balance; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.6rem, 6.4vw, 4.6rem); line-height: 1.04; }
h2 { font-size: clamp(2rem, 4.2vw, 3rem); line-height: 1.1; }
h3 { font-size: 1.35rem; line-height: 1.25; }
p { margin: 0; }
.lede { font-size: clamp(1.1rem, 1.8vw, 1.28rem); color: var(--secondary); max-width: var(--measure); }
.label {
  font: 600 13px/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
  display: flex; align-items: baseline; gap: 10px;
}
.label b { font-family: var(--serif); font-weight: 500; font-size: 22px; letter-spacing: 0; }

/* phones: the real screens in a thin dark frame */
.phone {
  border-radius: 13.5% / 6.3%;
  border: 7px solid var(--frame);
  box-shadow: 0 30px 60px -28px rgba(20, 24, 10, 0.45), 0 0 0 1px rgba(0, 0, 0, 0.06);
  background: var(--frame);
  overflow: hidden;
  width: 100%;
}
.phones { display: flex; gap: clamp(14px, 3vw, 28px); align-items: flex-start; }
.phones .phone { flex: 1 1 0; min-width: 0; max-width: 300px; }
.phones .phone:nth-child(2) { margin-top: 56px; }

/* hero */
.hero { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(28px, 6vw, 80px); align-items: center; padding-block: clamp(28px, 6vw, 72px) clamp(48px, 8vw, 96px); }
.hero-text { display: grid; gap: 24px; min-width: 0; }
.hero .phone { max-width: 340px; justify-self: center; }
.store { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px; border-radius: 999px;
  background: var(--accent); color: var(--on-accent); font-weight: 600; font-size: 16px; text-decoration: none;
}
.pill svg { width: 18px; height: 18px; fill: currentColor; }
.note { color: var(--secondary); font-size: 15px; }

/* the idea */
.idea { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); padding-block: clamp(40px, 7vw, 72px); }
.idea p { font-family: var(--serif); font-size: clamp(1.35rem, 2.6vw, 1.85rem); line-height: 1.42; max-width: 44rem; text-wrap: pretty; }
.idea p + p { margin-top: 0.8em; color: var(--secondary); }
.idea em { font-style: italic; color: var(--accent); }

/* the four */
.step { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 80px); align-items: center; padding-block: clamp(56px, 9vw, 110px); }
.step + .step { border-top: 1px solid var(--hairline); }
.step:nth-of-type(even) .step-text { order: 2; }
.step-text { display: grid; gap: 20px; min-width: 0; }
.step-text > p { max-width: var(--measure); color: var(--secondary); }
.points { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; max-width: var(--measure); }
.points li { padding-left: 22px; position: relative; }
.points li::before { content: ""; position: absolute; left: 2px; top: 0.62em; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.media { display: flex; justify-content: center; min-width: 0; }
.media .phone { max-width: 320px; }

/* search: the questions people really ask */
.queries { display: flex; flex-wrap: wrap; gap: 10px; }
.query {
  font-family: var(--serif); font-size: 17px; padding: 8px 16px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--hairline); color: var(--ink);
}

/* recall card, as in the app */
.recall {
  background: var(--card); border: 1px solid var(--hairline); border-radius: 26px; padding: 22px 24px;
  max-width: 26rem; display: grid; gap: 8px; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.recall small { color: var(--accent); font-size: 14px; font-variant-numeric: tabular-nums; }
.recall p { font-family: var(--serif); font-size: 21px; line-height: 1.35; }
.recall-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.ghost {
  font: 500 15px var(--sans); color: var(--accent); background: none; border: 1px solid var(--hairline);
  border-radius: 999px; padding: 8px 16px; cursor: pointer;
}
.ghost:hover { border-color: var(--accent); }

/* privacy band */
.private { padding-block: clamp(56px, 9vw, 110px); border-top: 1px solid var(--hairline); }
.private-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.fact { background: var(--card); border: 1px solid var(--hairline); border-radius: 22px; padding: 24px; display: grid; gap: 8px; align-content: start; min-width: 0; }
.fact p { color: var(--secondary); font-size: 16px; }

/* price */
.price { padding-block: clamp(56px, 9vw, 110px); border-top: 1px solid var(--hairline); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 80px); align-items: start; }
.price-text { display: grid; gap: 18px; min-width: 0; }
.price-card { background: var(--card); border: 1px solid var(--hairline); border-radius: 26px; padding: 30px; display: grid; gap: 14px; min-width: 0; }
.amount { font-family: var(--serif); font-size: 3.2rem; line-height: 1; font-variant-numeric: tabular-nums; }
.amount span { font-family: var(--sans); font-size: 17px; color: var(--secondary); margin-left: 6px; }

/* footer */
footer { border-top: 1px solid var(--hairline); padding-block: 36px 48px; color: var(--secondary); font-size: 15px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 28px; justify-content: space-between; align-items: center; }
footer nav { display: flex; flex-wrap: wrap; gap: 22px; }
footer a { color: var(--secondary); }

/* long-form pages (privacy) */
.doc { max-width: 42rem; padding-block: clamp(24px, 5vw, 56px) 80px; display: grid; gap: 22px; }
.doc .meta { color: var(--faint); font-size: 15px; font-variant-numeric: tabular-nums; }
.doc .summary { font-family: var(--serif); font-size: 1.3rem; line-height: 1.45; }
.doc h2 { font-size: 1.6rem; margin-top: 22px; }
.doc ul { margin: 0; padding-left: 1.2em; display: grid; gap: 10px; }
.doc li::marker { color: var(--accent); }

@media (max-width: 820px) {
  .hero, .step, .price { grid-template-columns: 1fr; }
  .step:nth-of-type(even) .step-text { order: 0; }
  .private-grid { grid-template-columns: 1fr; }
  .hero .phone { max-width: 300px; }
  .top nav { gap: 16px; }
}
@media (max-width: 420px) {
  .brand .word { height: 28px; }
  .top nav .hide-narrow { display: none; }
}
@media (prefers-reduced-motion: no-preference) {
  .recall { transition: opacity 0.25s ease; }
}

/* topic pages */
.doc .cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 28px; }
.doc h3 { margin-top: 8px; }
.doc .shot { max-width: 300px; margin: 12px auto; }

/* footer: Markdown guides for AI agents, and links that ask a chat assistant about Reteum */
.agents { flex-basis: 100%; display: grid; gap: 10px; padding-top: 18px; border-top: 1px solid var(--hairline); font-size: 14px; }
.agents nav { gap: 8px 18px; align-items: baseline; }
.agents span { color: var(--faint); }