/* Stone Street Ops — mock-up. One stylesheet for the home page and the case studies. */
:root {
  --paper: #f4f1ea; --card: #fffdf8; --ink: #15191a; --ink-2: #454b48; --muted: #7a7f78; --line: #ddd7ca;
  --green: #1f4d3a; --green-soft: #e3ebe4; --brass: #a9792b; --brass-soft: #f3e9d6; --red: #a8432f; --night: #121615;
  --display: "Fraunces", "Iowan Old Style", Georgia, serif; --body: "Inter", "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --paper: #111514; --card: #191e1c; --ink: #eef0ea; --ink-2: #c4cbc3; --muted: #8b938a; --line: #2b322e;
    --green: #8fc7a6; --green-soft: #1b2a22; --brass: #d9aa55; --brass-soft: #2a2416; --red: #e08a76; --night: #0b0e0d; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { color: var(--green); }
.wrap { width: min(1120px, 100%); margin: 0 auto; padding-inline: 24px; }
.ribbon { background: var(--night); color: #d8d3c4; font-size: .78rem; letter-spacing: .04em; text-align: center; padding: 7px 16px; }
.ribbon b { color: #e7c987; font-weight: 600; }

/* header */
header.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--paper) 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: 16px; padding-block: 14px; }
.mark { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--display); font-weight: 600; font-size: 1.2rem; letter-spacing: -.01em; }
.mark svg { width: 26px; height: 26px; flex: none; }
nav.links { display: flex; align-items: center; gap: 22px; font-size: .92rem; }
nav.links a { color: var(--ink-2); text-decoration: none; }
nav.links a:hover { color: var(--ink); }
.btn { display: inline-block; background: var(--green); color: var(--paper); text-decoration: none; font-weight: 600; font-size: .95rem; padding: 12px 20px; border-radius: 999px; border: 1px solid var(--green); }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--green); }
nav.links .btn { padding: 9px 16px; color: var(--paper); }
@media (max-width: 760px) { nav.links a:not(.btn) { display: none; } }

/* hero */
.hero { padding-block: 72px 56px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.eyebrow { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--brass); font-weight: 600; margin: 0 0 14px; }
h1 { font-family: var(--display); font-weight: 500; font-size: clamp(2.4rem, 5.2vw, 4rem); line-height: 1.04; letter-spacing: -.025em; margin: 0 0 20px; }
h1 em { font-style: italic; color: var(--green); }
.lede { font-size: 1.15rem; color: var(--ink-2); max-width: 34em; margin: 0 0 28px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.cta-note { font-size: .85rem; color: var(--muted); margin-top: 14px; }
@media (max-width: 900px) { .hero { padding-block: 44px 36px; } .hero .wrap { grid-template-columns: 1fr; gap: 36px; } }

/* the brief mock */
.brief { background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 24px 60px -30px rgba(20, 30, 25, .45); overflow: hidden; font-size: .93rem; transform: rotate(.6deg); }
.brief .bar { display: flex; justify-content: space-between; gap: 10px; padding: 12px 18px; border-bottom: 1px solid var(--line); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.brief .body { padding: 18px 20px 6px; }
.brief p { margin: 0 0 12px; color: var(--ink-2); }
.brief p b { color: var(--ink); }
.brief h4 { font-family: var(--display); font-weight: 600; font-size: 1.02rem; margin: 16px 0 8px; }
.brief ul { list-style: none; margin: 0 0 14px; padding: 0; }
.brief li { padding: 9px 0 9px 22px; border-top: 1px solid var(--line); position: relative; color: var(--ink-2); }
.brief li::before { content: ""; position: absolute; left: 2px; top: 17px; width: 9px; height: 9px; border-radius: 50%; background: var(--brass); }
.brief li.bad::before { background: var(--red); }
.brief .src { background: var(--green-soft); color: var(--green); font-size: .78rem; padding: 10px 20px; }
.up { color: var(--green); font-weight: 600; } .down { color: var(--red); font-weight: 600; }

/* logo strip */
.strip { border-block: 1px solid var(--line); padding-block: 22px; }
.strip .wrap { display: flex; flex-wrap: wrap; gap: 10px 26px; align-items: center; justify-content: center; }
.strip span.lbl { font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.strip span.sys { font-family: var(--display); font-size: 1.05rem; color: var(--ink-2); }

/* sections */
section { padding-block: 72px; }
section.tint { background: var(--card); border-block: 1px solid var(--line); }
h2 { font-family: var(--display); font-weight: 500; font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.1; letter-spacing: -.02em; margin: 0 0 14px; }
.sub { color: var(--ink-2); max-width: 40em; margin: 0 0 40px; font-size: 1.05rem; }
h3 { font-family: var(--display); font-weight: 600; font-size: 1.3rem; margin: 0 0 8px; letter-spacing: -.01em; }
@media (max-width: 760px) { section { padding-block: 48px; } }

.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding-block: 32px; }
.feature + .feature { border-top: 1px solid var(--line); }
.feature.flip .text { order: 2; }
.feature .num { font-family: var(--display); font-style: italic; color: var(--brass); font-size: 1rem; }
.feature p { color: var(--ink-2); margin: 0 0 12px; }
.feature ul { margin: 0; padding-left: 18px; color: var(--ink-2); }
.feature li { margin: 6px 0; }
@media (max-width: 860px) { .feature { grid-template-columns: 1fr; gap: 24px; } .feature.flip .text { order: 0; } }

.mock { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
section.tint .mock { background: var(--paper); }
.mock .cap { font-size: .74rem; color: var(--muted); margin-top: 12px; text-align: center; }
.note-slot { border: 1.5px dashed var(--line); border-radius: 10px; padding: 10px 12px; font-size: .8rem; color: var(--muted); margin-top: 12px; text-align: center; }

/* alert mock */
.phone { background: var(--night); border-radius: 22px; padding: 18px 14px; color: #eceee8; max-width: 380px; margin: 0 auto; }
.phone .time { text-align: center; font-family: var(--display); font-size: 2.2rem; font-weight: 400; margin: 4px 0 14px; opacity: .92; }
.push { background: rgba(255, 255, 255, .1); border-radius: 14px; padding: 11px 13px; margin-top: 8px; font-size: .84rem; line-height: 1.4; }
.push .h { display: flex; justify-content: space-between; font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; opacity: .65; margin-bottom: 3px; }
.push b { display: block; font-weight: 600; }

/* group mock */
.gtable { width: 100%; border-collapse: collapse; font-size: .86rem; }
.gtable th { text-align: left; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 600; padding: 0 8px 8px 0; }
.gtable td { padding: 9px 8px 9px 0; border-top: 1px solid var(--line); vertical-align: middle; }
.gtable td.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.barcell { width: 34%; }
.gbar { height: 8px; border-radius: 6px; background: var(--green); opacity: .85; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: var(--green); }
.dot.amber { background: var(--brass); } .dot.red { background: var(--red); }
.scroll { overflow-x: auto; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.step { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 22px; counter-increment: s; }
.step::before { content: counter(s); font-family: var(--display); font-style: italic; font-size: 1.6rem; color: var(--brass); display: block; margin-bottom: 8px; }
.step p { margin: 0; color: var(--ink-2); font-size: .95rem; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* case cards */
.cases { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.case { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 28px; text-decoration: none; color: inherit; transition: transform .15s ease, box-shadow .15s ease; }
.case:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -28px rgba(20, 30, 25, .5); }
.case .tag { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--brass); font-weight: 600; }
.case h3 { font-size: 1.55rem; margin: 8px 0 10px; }
.case p { color: var(--ink-2); margin: 0 0 18px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: auto 0 18px; }
.fact b { font-family: var(--display); font-size: 1.5rem; font-weight: 500; display: block; line-height: 1.1; }
.fact span { font-size: .78rem; color: var(--muted); }
.more { font-weight: 600; color: var(--green); font-size: .95rem; }
@media (max-width: 800px) { .cases { grid-template-columns: 1fr; } }

/* sectors, pricing */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 8px 16px; font-size: .92rem; color: var(--ink-2); }
.chip.live { border-color: var(--green); color: var(--green); font-weight: 600; }
.prices { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 860px; }
.price { border: 1px solid var(--line); border-radius: 16px; padding: 28px; background: var(--paper); }
.price.lead { border-color: var(--brass); background: var(--brass-soft); }
.price .amt { font-family: var(--display); font-size: 2.6rem; font-weight: 500; line-height: 1; margin: 10px 0 4px; }
.price .amt small { font-family: var(--body); font-size: .9rem; color: var(--muted); font-weight: 400; }
.price ul { margin: 16px 0 0; padding-left: 18px; color: var(--ink-2); font-size: .95rem; }
.price li { margin: 6px 0; }
@media (max-width: 700px) { .prices { grid-template-columns: 1fr; } }

/* closing */
.close { background: var(--night); color: #eceee8; text-align: center; }
.close h2 { color: #f4f1ea; }
.close p { color: #b9c0b6; max-width: 36em; margin: 0 auto 28px; }
.close .btn { background: #e7c987; border-color: #e7c987; color: #15191a; }
footer { padding-block: 28px; font-size: .82rem; color: var(--muted); border-top: 1px solid var(--line); }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* case study pages */
.cs-hero { padding-block: 64px 40px; }
.cs-hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); max-width: 18em; }
.statrow { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-top: 36px; }
.stat { border-top: 2px solid var(--green); padding-top: 12px; }
.stat b { font-family: var(--display); font-weight: 500; font-size: 2.1rem; display: block; line-height: 1.05; }
.stat span { font-size: .85rem; color: var(--muted); }
.prose { max-width: 44em; }
.prose p { color: var(--ink-2); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 800px) { .two { grid-template-columns: 1fr; } }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
section.tint .panel { background: var(--paper); }
.panel p { margin: 0; color: var(--ink-2); font-size: .97rem; }
.panel .k { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--brass); font-weight: 600; display: block; margin-bottom: 6px; }
blockquote { margin: 0; padding: 28px 32px; border-left: 3px solid var(--brass); background: var(--brass-soft); border-radius: 0 14px 14px 0; font-family: var(--display); font-size: 1.35rem; line-height: 1.4; font-style: italic; }
blockquote footer { border: 0; padding: 12px 0 0; font-family: var(--body); font-style: normal; font-size: .85rem; color: var(--muted); }
.todo { border: 1.5px dashed var(--brass); background: transparent; border-radius: 12px; padding: 14px 16px; font-size: .88rem; color: var(--ink-2); }
.todo b { color: var(--brass); }
.shot { aspect-ratio: 16 / 10; max-width: 100%; border: 1.5px dashed var(--line); border-radius: 14px; display: grid; place-items: center; text-align: center; color: var(--muted); font-size: .88rem; padding: 16px; background: var(--paper); }
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 8px 0 0; }
.flow .sysbox { border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 10px 14px; font-size: .9rem; }
.flow .sysbox small { display: block; color: var(--muted); font-size: .74rem; }
.flow .to { color: var(--brass); font-family: var(--display); font-size: 1.3rem; }
.flow .hub { background: var(--green); color: var(--paper); border-color: var(--green); font-weight: 600; }

/* phone header: keep the wordmark and the button on one line each */
.mark, nav.links .btn { white-space: nowrap; }
@media (max-width: 520px) {
  .wrap { padding-inline: 18px; }
  .mark { font-size: 1.02rem; gap: 8px; } .mark svg { width: 22px; height: 22px; }
  nav.links .btn { font-size: .78rem; padding: 8px 12px; }
  .ribbon { font-size: .7rem; }
}

/* the stack: systems by type, one layer, three things out */
.stack { padding-block: 56px 72px; border-top: 1px solid var(--line); }
.stackbox { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px; margin-top: 32px; }
.sgroups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px 28px; }
.glbl { display: block; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 8px; }
.tiles { display: flex; flex-wrap: wrap; gap: 8px; }
.tile { display: inline-block; border: 1px solid var(--line); background: var(--paper); border-radius: 8px; padding: 7px 12px; font-size: .88rem; font-weight: 500; color: var(--ink); }
.tile.soon { border-style: dashed; color: var(--muted); background: transparent; font-weight: 400; }
.custom { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-top: 24px; padding: 16px 18px; border: 1.5px dashed var(--brass); border-radius: 12px; background: var(--brass-soft); }
.custom b { display: block; font-family: var(--display); font-size: 1.1rem; font-weight: 600; }
.custom span { font-size: .92rem; color: var(--ink-2); }
.custom > div { flex: 1 1 320px; }
.pipe { display: flex; justify-content: center; gap: 120px; height: 34px; }
.pipe i { width: 2px; background: linear-gradient(var(--line), var(--green)); }
.layer { display: flex; align-items: center; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; background: var(--night); color: #f4f1ea; border-radius: 12px; padding: 18px 24px; }
.layer .mark { font-size: 1.25rem; }
.layer .verbs { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: #e7c987; }
.outs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
.outs span { text-align: center; border: 1px solid var(--green); color: var(--green); border-radius: 10px; padding: 10px; font-weight: 600; font-size: .92rem; }
.say { margin: 18px 0 0; text-align: center; font-family: var(--display); font-style: italic; color: var(--ink-2); font-size: 1.02rem; }
.legend { display: flex; gap: 10px; justify-content: center; margin: 16px 0 0; font-size: .8rem; }
.legend .tile { font-size: .76rem; padding: 4px 10px; }
@media (max-width: 860px) { .sgroups { grid-template-columns: 1fr 1fr; } .pipe { gap: 70px; } }
@media (max-width: 560px) { .sgroups { grid-template-columns: 1fr; } .stackbox { padding: 18px; } .outs { grid-template-columns: 1fr; } .pipe { gap: 40px; height: 24px; } }

/* equivalents by industry */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.tabs button { font: inherit; font-size: .92rem; font-weight: 500; cursor: pointer; border: 1px solid var(--line); background: var(--paper); color: var(--ink-2); border-radius: 999px; padding: 9px 16px; }
.tabs button[aria-selected="true"] { background: var(--green); border-color: var(--green); color: var(--paper); font-weight: 600; }
.erow { display: grid; grid-template-columns: 210px 1fr; gap: 8px 18px; align-items: start; padding: 12px 0; }
.erow + .erow { border-top: 1px solid var(--line); }
.erow .glbl { margin: 8px 0 0; }
.tile.api { border-color: var(--green); color: var(--green); background: transparent; }
.eg { margin-top: 14px; padding: 16px 18px; border-left: 3px solid var(--brass); background: var(--brass-soft); border-radius: 0 12px 12px 0; }
.eg b { display: block; font-family: var(--display); font-size: 1.08rem; font-weight: 600; margin-bottom: 4px; }
.eg span { color: var(--ink-2); font-size: .95rem; }
@media (max-width: 700px) { .erow { grid-template-columns: 1fr; } .erow .glbl { margin: 0; } .tabs button { padding: 8px 12px; font-size: .85rem; } }
@media (max-width: 400px) { .wrap { padding-inline: 14px; } .mark { font-size: .95rem; gap: 6px; } .mark svg { width: 20px; height: 20px; } nav.links .btn { font-size: .72rem; padding: 7px 10px; } header.top .wrap { gap: 8px; } }

/* mock-up only: the name switcher on the ribbon */

/* product and case study images */
.screen { margin: 0; }
.screen a { display: block; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: 0 20px 50px -32px rgba(20, 30, 25, .5); background: var(--card); }
.screen img { display: block; width: 100%; height: auto; }
.screen figcaption { font-size: .82rem; color: var(--muted); margin-top: 10px; }
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 24px; }
.gallery .screen:first-child { grid-column: 1 / -1; }
@media (max-width: 800px) { .gallery { grid-template-columns: 1fr; } }

/* pricing: what the fee covers and what is billed directly */
.covers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--line); max-width: 1000px; }
.covers p { margin: 0; color: var(--ink-2); font-size: .95rem; }
@media (max-width: 800px) { .covers { grid-template-columns: 1fr; gap: 18px; } }