/* Layout: above ground / below ground. A soil line splits the hero; roots run down into a directory tree of services. */
:root {
  --bg: #E8ECE6;        /* coquina limestone, sage-biased */
  --surface: #F3F5F1;
  --fg: #17211B;        /* moss ink */
  --muted: #56645A;
  --line: #C3CCC2;
  --accent: #1F6F6A;    /* aquifer teal */
  --root: #A47A26;      /* root amber */
  --on-accent: #F3F5F1;
  --f-display: "Young Serif", Georgia, "Times New Roman", serif;
  --f-body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --s1: .8125rem; --s2: 1rem; --s3: 1.25rem; --s4: 1.75rem; --s5: clamp(2.4rem, 6vw, 4.25rem);
  --max: 72rem;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0F1613; --surface: #16201B; --fg: #E3E8E2; --muted: #9AA89E; --line: #2A3830;
  --accent: #5FB3A9; --root: #D2A84E; --on-accent: #0F1613; color-scheme: dark;
}}
:root[data-theme="dark"] {
  --bg: #0F1613; --surface: #16201B; --fg: #E3E8E2; --muted: #9AA89E; --line: #2A3830;
  --accent: #5FB3A9; --root: #D2A84E; --on-accent: #0F1613; color-scheme: dark;
}
* { box-sizing: border-box; }
body { background: var(--bg); color: var(--fg); font-family: var(--f-body); font-size: var(--s2); line-height: 1.6; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--bg); }
a { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: var(--max); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
h1, h2, h3 { font-family: var(--f-display); font-weight: 400; line-height: 1.12; text-wrap: balance; margin: 0; }
p { margin: 0; }
.label { font-family: var(--f-mono); font-size: var(--s1); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }

/* Header */
header.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .85rem; }
.brand { display: flex; align-items: center; gap: .6rem; color: var(--fg); text-decoration: none; font-family: var(--f-display); font-size: 1.2rem; }
.brand svg { flex: none; }
nav ul { display: flex; gap: 1.4rem; list-style: none; margin: 0; padding: 0; }
nav a { color: var(--fg); text-decoration: none; font-size: .95rem; font-weight: 500; }
nav a:hover { color: var(--accent); }
@media (max-width: 640px) { nav li:not(.cta-li) { display: none; } }
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1.15rem; border-radius: 6px; font-weight: 600; font-size: .95rem; text-decoration: none; border: 1px solid var(--accent); cursor: pointer; font-family: var(--f-body); }
.btn.solid { background: var(--accent); color: var(--on-accent); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn:hover { filter: brightness(1.08); }
nav .btn { padding: .45rem .9rem; color: var(--on-accent); }

/* Hero */
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 2rem; align-items: end; padding-block: 3.5rem 0; }
.hero-copy { display: grid; gap: 1.4rem; padding-bottom: 3rem; min-width: 0; }
.hero h1 { font-size: var(--s5); }
.hero h1 em { font-style: normal; color: var(--root); }
.hero p.lede { font-size: var(--s3); color: var(--muted); max-width: 34rem; line-height: 1.5; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.ground { position: relative; min-width: 0; }
#roots { display: block; width: 100%; height: 380px; }
.soil { border-top: 2px solid var(--fg); }
.soil .wrap { display: flex; justify-content: space-between; gap: 1rem; padding-block: .6rem; flex-wrap: wrap; }
.soil span { font-family: var(--f-mono); font-size: var(--s1); color: var(--muted); }
@media (max-width: 820px) {
  .hero .wrap { grid-template-columns: 1fr; padding-block: 2.5rem 0; }
  .hero-copy { padding-bottom: 0; }
  #roots { height: 240px; }
}

/* Sections */
section.band { padding-block: 4.5rem; }
section.band + section.band { border-top: 1px solid var(--line); }
.head { display: grid; gap: .6rem; margin-bottom: 2.25rem; max-width: 40rem; }
.head h2 { font-size: var(--s4); }
.head p { color: var(--muted); }

/* Services as a tree */
.tree { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 1.5rem; overflow-x: auto; }
.tree ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.tree .root-dir { font-family: var(--f-mono); font-weight: 500; color: var(--root); margin-bottom: 1.1rem; }
.tree li { display: grid; grid-template-columns: 3.2rem 14rem 1fr; gap: .25rem 1rem; align-items: baseline; }
.tree .branch { font-family: var(--f-mono); color: var(--line); white-space: pre; }
.tree .dir { font-family: var(--f-mono); font-weight: 500; color: var(--accent); }
.tree .desc { color: var(--fg); min-width: 0; }
.tree .desc small { display: block; color: var(--muted); font-size: .88rem; margin-top: .15rem; }
@media (max-width: 720px) {
  .tree li { grid-template-columns: 2.4rem 1fr; }
  .tree .desc { grid-column: 2; }
}

/* Approach */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; list-style: none; margin: 0; padding: 0; counter-reset: s; }
.steps li { display: grid; gap: .6rem; align-content: start; padding-top: 1rem; border-top: 2px solid var(--root); min-width: 0; }
.steps li::before { counter-increment: s; content: "Layer " counter(s); font-family: var(--f-mono); font-size: var(--s1); letter-spacing: .06em; text-transform: uppercase; color: var(--root); }
.steps h3 { font-size: var(--s3); }
.steps p { color: var(--muted); }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; gap: 1.5rem; } }

/* Apps */
.apps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.app { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 1.5rem; display: grid; gap: .7rem; align-content: start; min-width: 0; }
.app-top { display: flex; justify-content: space-between; align-items: baseline; gap: .75rem; flex-wrap: wrap; }
.app h3 { font-size: var(--s3); }
.chip { font-family: var(--f-mono); font-size: .75rem; padding: .2rem .55rem; border-radius: 99px; border: 1px solid currentColor; white-space: nowrap; }
.chip.dev { color: var(--accent); }
.chip.design { color: var(--root); }
.app p { color: var(--muted); }
.app .plat { font-family: var(--f-mono); font-size: var(--s1); color: var(--fg); }
@media (max-width: 720px) { .apps { grid-template-columns: 1fr; } }

/* About + contact */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.split > * { min-width: 0; }
.facts { display: grid; grid-template-columns: auto 1fr; gap: .7rem 1.5rem; margin: 1.5rem 0 0; }
.facts dt { font-family: var(--f-mono); font-size: var(--s1); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; padding-top: .15rem; }
.facts dd { margin: 0; }
.contact-card { align-self: start; background: var(--fg); color: var(--bg); border-radius: 8px; padding: 2rem; display: grid; gap: 1.1rem; align-content: start; }
.contact-card h2 { font-size: var(--s4); }
.contact-card p { color: color-mix(in srgb, var(--bg) 78%, var(--fg)); }
.email-row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.email { font-family: var(--f-mono); font-size: 1.05rem; user-select: all; word-break: break-all; color: var(--bg); }
.copy { background: transparent; color: var(--bg); border: 1px solid color-mix(in srgb, var(--bg) 50%, var(--fg)); border-radius: 6px; padding: .4rem .8rem; font: 500 .85rem var(--f-body); cursor: pointer; }
.contact-card ul { margin: 0; padding-left: 1.1rem; display: grid; gap: .3rem; color: color-mix(in srgb, var(--bg) 78%, var(--fg)); }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; gap: 2.5rem; } }


/* Sites, support, privacy */
.sites { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.site { display: grid; gap: .5rem; padding: 1.25rem 1.5rem; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; color: var(--fg); background: var(--surface); }
.site:hover { border-color: var(--accent); }
.site .url { font-family: var(--f-mono); color: var(--accent); font-size: .95rem; word-break: break-all; }
.site p { color: var(--muted); }
@media (max-width: 720px) { .sites { grid-template-columns: 1fr; } }
.app-links { display: flex; flex-wrap: wrap; gap: .5rem 1rem; font-size: .9rem; padding-top: .3rem; border-top: 1px solid var(--line); }
.app-links span { color: var(--muted); }
.faq { display: grid; gap: .75rem; margin-top: 2rem; }
.faq details { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 1rem 1.25rem; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin-top: .6rem; color: var(--muted); }
.policy { max-width: 42rem; display: grid; gap: 1.1rem; }
.policy h3 { font-family: var(--f-body); font-weight: 600; font-size: 1.05rem; margin-top: .6rem; }
.policy p, .policy li { color: var(--muted); }
.policy ul { margin: 0; padding-left: 1.2rem; display: grid; gap: .35rem; }
footer { border-top: 2px solid var(--fg); }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .75rem; padding-block: 1.5rem; font-size: .9rem; color: var(--muted); }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }


section[id], details[id] { scroll-margin-top: 4.5rem; }
.chip.ready { color: var(--fg); background: color-mix(in srgb, var(--accent) 18%, transparent); border-color: var(--accent); }
.chip.soon { color: var(--root); }
.app h3 a { color: var(--fg); text-decoration: none; }
.app h3 a:hover { color: var(--accent); }
.app .tagline { font-family: var(--f-display); color: var(--fg); }
/* App pages */
.crumbs { font-family: var(--f-mono); font-size: var(--s1); color: var(--muted); }
.crumbs a { color: var(--muted); }
.app-hero .wrap { display: grid; gap: 1.1rem; padding-block: 3rem 2.5rem; max-width: var(--max); }
.app-hero h1 { font-size: var(--s5); }
.app-hero .lede { font-size: var(--s3); color: var(--muted); max-width: 40rem; line-height: 1.5; }
.meta { display: flex; flex-wrap: wrap; gap: .6rem 1rem; align-items: center; }
.subnav { display: flex; flex-wrap: wrap; gap: .5rem; }
.subnav a { font-family: var(--f-mono); font-size: var(--s1); text-transform: uppercase; letter-spacing: .06em; padding: .45rem .8rem; border: 1px solid var(--line); border-radius: 6px; text-decoration: none; color: var(--fg); background: var(--surface); }
.subnav a:hover, .subnav a[aria-current] { border-color: var(--accent); color: var(--accent); }
.features { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem 2rem; }
.features li { padding-left: 1.4rem; position: relative; min-width: 0; }
.features li::before { content: ""; position: absolute; left: 0; top: .62em; width: .55rem; height: 2px; background: var(--root); }
@media (max-width: 720px) { .features { grid-template-columns: 1fr; } }
.store { display: flex; flex-wrap: wrap; gap: .75rem; }
.store span { font-family: var(--f-mono); font-size: var(--s1); padding: .55rem .9rem; border: 1px dashed var(--line); border-radius: 6px; color: var(--muted); }
.policy strong { color: var(--fg); font-weight: 600; }
.note { font-size: .9rem; color: var(--muted); border-left: 2px solid var(--line); padding-left: 1rem; }

.del-app { display: grid; gap: .6rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.policy h2 { font-size: var(--s3); margin-top: .8rem; }
footer nav a { color: var(--muted); }