/* reins homepage. Companion aesthetic to Coordinator: Schibsted Grotesk + JetBrains Mono, warm slate surface, emerald/teal accent for live app telemetry, light + dark. */
:root {
  --bg: #eef2f1;
  --bg-2: #e1e8e6;
  --surface: #f9fbfa;
  --ink: #0f1d1b;
  --ink-2: #425552;
  --ink-3: #667a76;
  --line: #c7d4d1;
  --accent: #0d7a5f;
  --accent-ink: #ffffff;
  --accent-soft: rgba(13, 122, 95, .11);
  --coord: #2443d6;
  --coord-soft: rgba(36, 67, 214, .1);
  --shade: rgba(15, 29, 27, .08);
  --body: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --r-frame: 14px;
  --r-ctl: 10px;
  --ease: cubic-bezier(.22, .8, .2, 1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1413;
    --bg-2: #101d1b;
    --surface: #142422;
    --ink: #e2eeec;
    --ink-2: #a1b5b1;
    --ink-3: #788e8a;
    --line: #243835;
    --accent: #52d6b4;
    --accent-ink: #091714;
    --accent-soft: rgba(82, 214, 180, .13);
    --coord: #8ea3ff;
    --coord-soft: rgba(142, 163, 255, .13);
    --shade: rgba(0, 0, 0, .38);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.6 var(--body); overflow-x: clip; }
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
code { font-family: var(--mono); font-size: .86em; background: var(--accent-soft); padding: .08em .35em; border-radius: 5px; overflow-wrap: break-word; }
h1, h2, h3 { line-height: 1.12; margin: 0; letter-spacing: -.015em; }
p { margin: 0 0 1rem; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 30; background: var(--ink); color: var(--bg); padding: .5rem 1rem; border-radius: var(--r-ctl); }
.skip:focus { left: 16px; }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }
.narrow { max-width: 860px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; white-space: nowrap; background: var(--accent); color: var(--accent-ink); font-weight: 700; text-decoration: none; padding: .78rem 1.2rem; border-radius: var(--r-ctl); border: 1px solid var(--accent); transition: transform .2s var(--ease), background .2s var(--ease); cursor: pointer; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(1px) scale(.99); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink-3); }
.btn.small { padding: .45rem .85rem; font-size: .92rem; }
.btn.coord-btn { background: var(--coord); border-color: var(--coord); color: var(--accent-ink); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
.nav-in { display: flex; align-items: center; gap: 1.5rem; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.12rem; color: var(--ink); text-decoration: none; }
.mark { width: 22px; height: 22px; flex: none; color: var(--accent); }
.nav nav { margin-left: auto; }
.nav ul { display: flex; gap: 1.35rem; list-style: none; margin: 0; padding: 0; }
.nav nav a { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav nav a:hover { color: var(--ink); }
@media (max-width: 900px) { .nav nav { display: none; } .nav .btn { margin-left: auto; } }

/* Hero */
.hero { padding: 3.5rem 0 2.4rem; }
.hero-in { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 1.5rem 3rem; align-items: end; }
h1 { display: flex; flex-direction: column; gap: .55rem; }
.prod { font-size: clamp(3rem, 7.2vw, 6.1rem); font-weight: 800; letter-spacing: -.04em; line-height: .96; }
.tag-line { font-size: clamp(1.35rem, 2.5vw, 2.05rem); font-weight: 500; color: var(--ink-2); letter-spacing: -.01em; line-height: 1.24; }
.tag-line a { color: var(--ink); font-weight: 700; text-decoration-color: var(--accent); text-decoration-thickness: 3px; text-underline-offset: 6px; }
.lede { font-size: 1.16rem; color: var(--ink-2); max-width: 34rem; margin: 0 0 1.4rem; }
.pills { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.3rem; padding: 0; list-style: none; }
.pills li { font: 600 .82rem var(--mono); background: var(--surface); border: 1px solid var(--line); color: var(--ink-2); padding: .28rem .65rem; border-radius: 999px; }
.ctas { display: flex; flex-wrap: wrap; gap: .75rem; }
@media (max-width: 960px) { .hero { padding-top: 2.2rem; } .hero-in { grid-template-columns: minmax(0, 1fr); } }

/* Architecture Diagram Stage */
.diagram-sec { padding: 0 0 4.5rem; }
.arch-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-frame); padding: 1.6rem; box-shadow: 0 30px 60px -30px var(--shade), 0 0 0 6px var(--accent-soft); }
.arch-svg { width: 100%; height: auto; display: block; }
.arch-caps { list-style: none; margin: 1.2rem 0 0; padding: 1rem 0 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem 2rem; color: var(--ink-2); font-size: .95rem; }
.arch-caps b { color: var(--ink); }
@media (max-width: 860px) { .arch-caps { grid-template-columns: minmax(0, 1fr); } .arch-card { padding: 1rem; } }

/* Sections */
section { padding: 5rem 0; }
.alt { background: var(--bg-2); }
.sec-h { font-size: clamp(1.85rem, 3.5vw, 2.8rem); font-weight: 800; letter-spacing: -.025em; max-width: 26ch; }
.sec-sub { color: var(--ink-2); max-width: 46rem; margin: .9rem 0 2.4rem; font-size: 1.1rem; }

/* Comparison Table */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-frame); box-shadow: 0 20px 45px -30px var(--shade); }
table.cmp { width: 100%; border-collapse: collapse; text-align: left; font-size: .98rem; }
.cmp th, .cmp td { padding: 1rem 1.2rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp thead th { font-weight: 800; background: color-mix(in srgb, var(--bg-2) 55%, var(--surface)); color: var(--ink); }
.cmp thead th.hi { color: var(--accent); background: var(--accent-soft); }
.cmp tbody tr:last-child td, .cmp tbody tr:last-child th { border-bottom: 0; }
.cmp tbody th { font-weight: 700; color: var(--ink); width: 22%; }
.cmp td { color: var(--ink-2); width: 26%; }
.cmp td.hi { background: color-mix(in srgb, var(--accent-soft) 45%, transparent); color: var(--ink); font-weight: 500; }

/* Setup Tabs & Code Cards */
.setup-top { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 1.5rem; margin-bottom: 1.5rem; }
.setup-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-frame); padding: 1.4rem; display: flex; flex-direction: column; }
.setup-box.primary { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.setup-box h3 { font-size: 1.2rem; font-weight: 800; margin-bottom: .6rem; display: flex; align-items: center; gap: .5rem; }
.badge { font: 700 .74rem var(--mono); text-transform: uppercase; letter-spacing: .04em; background: var(--accent); color: var(--accent-ink); padding: .18rem .5rem; border-radius: 6px; }
.setup-box p { color: var(--ink-2); font-size: .96rem; }

.tabs { display: flex; gap: .5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.tab-btn { font: 700 .94rem var(--body); background: var(--surface); color: var(--ink-2); border: 1px solid var(--line); border-radius: var(--r-ctl); padding: .55rem 1.05rem; cursor: pointer; transition: all .15s var(--ease); }
.tab-btn[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.tab-panel { display: none; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.tab-panel.active { display: grid; }
.code-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-frame); padding: 1.2rem; display: flex; flex-direction: column; }
.code-card h4 { margin: 0 0 .55rem; font-size: 1rem; font-weight: 700; display: flex; justify-content: space-between; align-items: center; }
.code-card h4 span { font: 400 .82rem var(--mono); color: var(--ink-3); }
.code-card p { font-size: .92rem; color: var(--ink-2); margin: .6rem 0 0; }
@media (max-width: 920px) { .setup-top, .tab-panel.active { grid-template-columns: minmax(0, 1fr); } }

/* Command / Pre blocks with copy button */
.cmd { position: relative; width: 100%; margin-bottom: .6rem; }
.cmd pre { margin: 0; background: #0d1817; color: #e5f2ef; border-radius: var(--r-ctl); padding: .95rem 5.2rem .95rem 1rem; overflow-x: auto; border: 1px solid #1f3330; }
.cmd pre code { background: none; padding: 0; font-size: .86rem; line-height: 1.65; overflow-wrap: normal; color: inherit; }
.copy { position: absolute; top: .55rem; right: .55rem; font: 600 .78rem var(--body); background: #1e3330; color: #ffffff; border: 0; border-radius: 7px; padding: .35rem .65rem; cursor: pointer; }
.copy:hover { background: #2b4743; }

/* Tools & Security Grid */
.two-col { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 2rem; align-items: start; }
.panel-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-frame); padding: 1.5rem; }
.panel-card h3 { font-size: 1.35rem; font-weight: 800; margin-bottom: 1rem; }
.tool-list { list-style: none; margin: 0; padding: 0; }
.tool-list li { padding: .75rem 0; border-top: 1px solid var(--line); }
.tool-list li:first-child { border-top: 0; padding-top: 0; }
.tool-list code { font-weight: 600; color: var(--ink); }
.tool-list span { display: block; color: var(--ink-2); font-size: .95rem; margin-top: .2rem; }

.sec-list { list-style: none; margin: 0; padding: 0; counter-reset: sec; }
.sec-list li { counter-increment: sec; position: relative; padding: .75rem 0 .75rem 2.3rem; border-top: 1px solid var(--line); color: var(--ink-2); font-size: .95rem; }
.sec-list li:first-child { border-top: 0; padding-top: 0; }
.sec-list li:first-child::before { top: .1rem; }
.sec-list li::before { content: counter(sec); position: absolute; left: 0; top: .85rem; width: 1.65rem; height: 1.65rem; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font: 700 .82rem var(--mono); display: grid; place-items: center; }
.sec-list b { color: var(--ink); }
@media (max-width: 920px) { .two-col { grid-template-columns: minmax(0, 1fr); } }

/* Companion to Coordinator section */
.companion { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.comp-card { background: var(--surface); border: 2px solid var(--coord); border-radius: var(--r-frame); padding: 2rem; box-shadow: 0 28px 60px -32px var(--shade), 0 0 0 6px var(--coord-soft); display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 2rem; align-items: center; }
.comp-eyebrow { display: inline-flex; align-items: center; gap: .5rem; font: 700 .82rem var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--coord); background: var(--coord-soft); padding: .3rem .7rem; border-radius: 999px; margin-bottom: .9rem; }
.comp-card h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); font-weight: 800; margin-bottom: .9rem; }
.comp-card p { color: var(--ink-2); }
.comp-steps { list-style: none; margin: 1.2rem 0; padding: 0; display: grid; gap: .65rem; }
.comp-steps li { background: var(--bg); border: 1px solid var(--line); border-radius: var(--r-ctl); padding: .75rem 1rem; font-size: .95rem; color: var(--ink-2); }
.comp-steps b { color: var(--ink); }
@media (max-width: 920px) { .comp-card { grid-template-columns: minmax(0, 1fr); padding: 1.4rem; } }

/* Footer */
.foot { border-top: 1px solid var(--line); padding: 3rem 0 3.5rem; font-size: .95rem; color: var(--ink-2); }
.foot-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) minmax(0, 1.2fr); gap: 2rem; }
.foot-brand { font-weight: 800; color: var(--ink); font-size: 1.1rem; }
.foot-h { font-weight: 700; color: var(--ink); margin-bottom: .4rem; }
@media (max-width: 860px) { .foot-in { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 600px) {
  section { padding: 3.6rem 0; }
  .cmd pre { padding-right: 1rem; }
  .copy { position: static; margin-top: .45rem; }
}