/* zonecrm.com
   One stylesheet, no external requests. System font, black ink, one blue. */

:root {
  --ink: #1d1d1b;
  --ink-soft: #3a3a37;
  --muted: #6b6b66;
  --paper: #ffffff;
  --paper-2: #f6f6f4;
  --paper-3: #eeeeeb;
  --line: #e4e4e7;
  --brand: #1a73d6;
  --brand-strong: #145cad;
  --brand-soft: #e8f1fc;
  --ok: #1f7a52;
  --ok-soft: #e4f3ea;
  --dev: #a15c00;
  --dev-soft: #fbeed8;
  --plan: #55554f;
  --plan-soft: #ececea;
  --dark: #111110;
  --ink-invert: #ffffff;
  --shadow: 0 1px 2px rgba(29, 29, 27, .04), 0 10px 28px rgba(29, 29, 27, .06);
  --radius: 14px;
  --wrap: 1120px;
  --step: clamp(3.5rem, 7vw, 6.5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ecebe7;
    --ink-soft: #c9c8c2;
    --muted: #9d9c96;
    --paper: #131312;
    --paper-2: #1a1a19;
    --paper-3: #222220;
    --line: #2c2c2a;
    --brand: #6fa9ec;
    --brand-strong: #93bff2;
    --brand-soft: #172533;
    --ok: #6ccb9b;
    --ok-soft: #14291d;
    --dev: #e5a95a;
    --dev-soft: #2e2214;
    --plan: #b3b2ac;
    --plan-soft: #262624;
    --dark: #070707;
    --ink-invert: #131312;
    --shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 10px 28px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-feature-settings: "kern" 1;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; }
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--brand-strong); }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; border-radius: 4px; }
code { font: 500 .92em/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--paper-3); padding: .15em .4em; border-radius: 6px; }
address { font-style: normal; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.015em; margin: 0 0 .5em; font-weight: 650; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); letter-spacing: -.025em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.15rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--ink-soft); max-width: 46rem; }
.wrap { width: min(var(--wrap), 100% - 2.5rem); margin-inline: auto; }
.narrow { max-width: 46rem; }

.skip { position: absolute; left: -999px; top: .5rem; background: var(--ink); color: var(--ink-invert); padding: .6rem 1rem; border-radius: 8px; z-index: 100; }
.skip:focus { left: .5rem; }

/* icon box */
.ic { display: inline-flex; width: 44px; height: 44px; border-radius: 12px; background: var(--brand-soft); color: var(--brand); align-items: center; justify-content: center; flex: none; }
.ic svg { width: 22px; height: 22px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 44px; padding: .55rem 1.15rem; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1.5px solid transparent; transition: background .2s, color .2s, border-color .2s, transform .2s; cursor: pointer; white-space: nowrap; }
.btn-lg { min-height: 52px; padding: .75rem 1.5rem; font-size: 1.05rem; }
.btn-primary { background: var(--ink); color: var(--ink-invert); }
.btn-primary:hover { background: var(--brand); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--paper); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn-light { background: #fff; color: #111; }
.btn-light:hover { background: var(--brand); color: #fff; }
.btn-ghost-light { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-ghost-light:hover { border-color: #fff; color: #fff; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 0; }

/* header */
.site-head { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 1.15rem; letter-spacing: -.01em; }
.brand b { font-weight: 800; }
.brand .mark { border-radius: 7px; }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: .25rem; }
nav a:not(.btn) { display: inline-block; padding: .5rem .75rem; color: var(--ink-soft); text-decoration: none; border-radius: 8px; font-weight: 500; }
nav a:not(.btn):hover, nav a[aria-current="page"] { color: var(--ink); background: var(--paper-2); }
nav .btn { margin-left: .5rem; }
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-btn { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; border-radius: 8px; padding: 10px; }
.nav-btn span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }
@media (max-width: 760px) {
  .nav-btn { display: flex; }
  nav { display: none; position: absolute; left: 0; right: 0; top: 64px; background: var(--paper); border-bottom: 1px solid var(--line); padding: .75rem 1.25rem 1.25rem; }
  nav ul { flex-direction: column; align-items: stretch; }
  nav a:not(.btn) { padding: .75rem .5rem; }
  nav .btn { margin: .5rem 0 0; }
  .nav-toggle:checked ~ nav { display: block; }
}

/* hero */
.hero { padding: calc(var(--step) * 1.1) 0 var(--step); text-align: center; background: radial-gradient(60% 50% at 50% 0%, var(--brand-soft), transparent 70%); }
.hero .wrap { max-width: 52rem; }
.eyebrow { display: inline-block; font-size: .85rem; font-weight: 600; letter-spacing: .02em; text-transform: uppercase; color: var(--brand); background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: .35rem .9rem; margin: 0 0 1.25rem; }
.hero .lead { margin-inline: auto; }
.hero .cta-row { justify-content: center; }
.hero-note { margin-top: 1.25rem; color: var(--muted); font-size: .95rem; }

/* promises */
.promises { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper-2); }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; padding: 2.5rem 0; }
.promise h2 { font-size: 1.15rem; margin-bottom: .35rem; }
.promise p { margin: 0; color: var(--ink-soft); }
@media (max-width: 760px) { .promise-grid { grid-template-columns: 1fr; gap: 1.5rem; } }

/* sections */
.section { padding: var(--step) 0; }
.section-alt { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 40rem; margin-bottom: 2.5rem; }
.section-head p { color: var(--ink-soft); font-size: 1.08rem; margin: 0; }
.more { margin: 2rem 0 0; font-weight: 600; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; transition: transform .2s, box-shadow .2s, border-color .2s; }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: transparent; }
.card h3 { margin: 1rem 0 .4rem; }
.card p { margin: 0; color: var(--ink-soft); }

/* module tiles */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
@media (max-width: 1000px) { .tiles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .tiles { grid-template-columns: 1fr; } }
.tiles-detail { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .tiles-detail { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .tiles-detail { grid-template-columns: 1fr; } }
.tile { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.35rem; }
.tile .ic { margin-bottom: 1rem; }
.tile-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; flex-wrap: wrap; }
.tile-head h3 { margin: 0; }
.tile-tag { margin: .35rem 0 0; color: var(--ink-soft); }
.tile p:not(.tile-tag) { margin: .75rem 0 0; color: var(--muted); font-size: .97rem; }

.tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; padding: .2rem .55rem; border-radius: 999px; white-space: nowrap; vertical-align: middle; }
.tag-ok { color: var(--ok); background: var(--ok-soft); }
.tag-dev { color: var(--dev); background: var(--dev-soft); }
.tag-plan { color: var(--plan); background: var(--plan-soft); }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; counter-reset: s; }
.steps li { display: flex; gap: 1rem; align-items: flex-start; }
.num { flex: none; width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: var(--ink-invert); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; }
.steps h3 { margin: .35rem 0 .35rem; }
.steps p { margin: 0; color: var(--ink-soft); }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }

/* dark band */
.section-dark { background: var(--dark); color: #fff; }
.section-dark h2 { color: #fff; }
.section-dark p { color: rgba(255,255,255,.78); }
.os-teaser { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: center; }
.os-facts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.os-facts li { border: 1px solid rgba(255,255,255,.14); border-radius: 12px; padding: 1rem; color: rgba(255,255,255,.75); }
.os-facts b { display: block; color: #fff; font-size: 1.2rem; margin-bottom: .1rem; }
@media (max-width: 800px) { .os-teaser { grid-template-columns: 1fr; } }

/* faq */
.faq { padding: var(--step) 0; border-top: 1px solid var(--line); }
.faq-list { max-width: 46rem; }
details { border-bottom: 1px solid var(--line); padding: .25rem 0; }
summary { cursor: pointer; padding: .9rem 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-weight: 400; color: var(--muted); font-size: 1.4rem; line-height: 1; }
details[open] summary::after { content: "\2212"; }
.faq-a { padding: 0 0 1rem; color: var(--ink-soft); }
.faq-a p { margin: 0; }

/* end cta */
.cta-end { text-align: center; border-top: 1px solid var(--line); }
.cta-end .wrap { max-width: 44rem; }
.cta-end .cta-row { justify-content: center; }
.cta-end p:not(.cta-row) { color: var(--ink-soft); font-size: 1.08rem; }

/* inner pages */
.page-head { padding: calc(var(--step) * .8) 0 calc(var(--step) * .5); background: linear-gradient(var(--paper-2), var(--paper)); border-bottom: 1px solid var(--line); }
.crumbs { font-size: .9rem; color: var(--muted); margin-bottom: 1rem; }
.crumbs a { color: var(--muted); }
.crumbs span { margin: 0 .35rem; }

.features-layout { display: grid; grid-template-columns: 240px 1fr; gap: 3rem; align-items: start; }
.toc { position: sticky; top: 5rem; }
.toc h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: .75rem; }
.toc ul { list-style: none; margin: 0 0 1.5rem; padding: 0; }
.toc li a { display: block; padding: .35rem 0; color: var(--ink-soft); text-decoration: none; }
.toc li a:hover { color: var(--brand); }
.legend { font-size: .85rem; color: var(--muted); line-height: 2; }
@media (max-width: 860px) { .features-layout { grid-template-columns: 1fr; gap: 1.5rem; } .toc { position: static; } }

.fgroup { padding: 2rem 0; border-bottom: 1px solid var(--line); }
.fgroup:first-child { padding-top: 0; }
.fgroup-head { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.25rem; }
.fgroup-head h2 { margin-bottom: .25rem; display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.fgroup-head p { margin: 0; color: var(--ink-soft); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem 1.5rem; }
.checks li { display: flex; gap: .6rem; align-items: flex-start; }
.checks .ic { width: 24px; height: 24px; border-radius: 7px; margin-top: .15rem; background: var(--ok-soft); color: var(--ok); }
.checks .ic svg { width: 15px; height: 15px; }
@media (max-width: 700px) { .checks { grid-template-columns: 1fr; } }

.facts h3 { margin-bottom: .3rem; }
.facts p { margin: 0; color: var(--ink-soft); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-grid .checks { grid-template-columns: 1fr; }
.contact-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; }
.contact-card .big { font-size: 1.25rem; font-weight: 600; }
.contact-card address { color: var(--ink-soft); margin: 1rem 0; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; gap: 2rem; } }

.prose h2 { font-size: 1.3rem; margin-top: 2rem; }

/* footer */
.site-foot { border-top: 1px solid var(--line); background: var(--paper-2); padding: 3rem 0 2rem; font-size: .95rem; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 2rem; }
.foot-grid h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: .75rem; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; }
.foot-grid li { margin: .35rem 0; }
.foot-grid a:not(.brand) { color: var(--ink-soft); text-decoration: none; }
.foot-grid a:not(.brand):hover { color: var(--brand); }
.foot-brand p { margin: .75rem 0 0; color: var(--ink-soft); max-width: 24rem; }
.legal { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.legal p { margin: 0 0 .5rem; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }

@media (max-width: 560px) {
  .eyebrow { text-transform: none; letter-spacing: 0; font-size: .82rem; padding: .3rem .8rem; }
}