/* openWCS public site — dark forest / herbal-lime / glass aesthetic (see ../styling.md §1). */
:root {
  --brand-forest: #1F4D3A;
  --forest-deep: #0E2820;
  --forest-abyss: #061812;
  --herbal-lime: #8DC63F;
  --herbal-glow: rgba(141, 198, 63, .55);
  --alpine-white: #F7F9F8;

  --glass-bg: rgba(255, 255, 255, .035);
  --glass-bg-strong: rgba(255, 255, 255, .065);
  --glass-border: rgba(255, 255, 255, .09);
  --glass-border-bright: rgba(141, 198, 63, .38);

  --text: rgba(247, 249, 248, .92);
  --text-dim: rgba(247, 249, 248, .62);
  --text-faint: rgba(247, 249, 248, .42);

  --primary: var(--herbal-lime);
  --bg: var(--forest-abyss);
  --danger: #ff6b5e;

  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow-md: 0 18px 48px rgba(0, 0, 0, .4), 0 0 32px -8px var(--herbal-glow);

  --maxw: 1280px;        /* content width */
  --maxw-wide: 1440px;   /* nav + hero use the full real estate */
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Layered aurora over the forest abyss + faint vignette. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1100px 720px at 82% -10%, rgba(141, 198, 63, .16), transparent 60%),
    radial-gradient(960px 720px at 6% 6%, rgba(31, 77, 58, .6), transparent 55%),
    radial-gradient(860px 860px at 92% 96%, rgba(31, 77, 58, .38), transparent 60%),
    linear-gradient(180deg, rgba(0, 0, 0, .25), transparent 22%);
}

a { color: var(--herbal-lime); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); width: 100%; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--herbal-lime);
  margin: 0 0 1rem;
}
.eyebrow::before {
  content: ''; width: 1.6rem; height: 1px;
  background: linear-gradient(90deg, var(--herbal-lime), transparent);
}

h1, h2, h3 { font-family: var(--font-heading); font-weight: 600; line-height: 1.06; margin: 0; }
.lime { color: transparent; background: linear-gradient(100deg, var(--herbal-lime), #d6f08a); -webkit-background-clip: text; background-clip: text; font-style: italic; }

/* Nav brand — white wordmark logo on the dark glass nav. */
.brand-logo { height: 28px; width: auto; display: block; transition: opacity .15s ease; }
.brand:hover .brand-logo { opacity: .82; }

/* ---- Nav ---- */
header.nav {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(6, 24, 18, .68);
  border-bottom: 1px solid var(--glass-border);
}
.nav-inner { display: flex; align-items: center; gap: 1.5rem; padding: .8rem var(--gutter); max-width: var(--maxw-wide); margin: 0 auto; }
.brand { display: inline-flex; align-items: center; font-family: var(--font-mono); font-weight: 700; letter-spacing: .04em; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand b { color: var(--herbal-lime); }
.nav-links { display: flex; gap: 1.6rem; margin-left: auto; font-size: .92rem; }
.nav-links a { color: var(--text-dim); position: relative; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: -5px; height: 1.5px; width: 0;
  background: var(--herbal-lime); transition: width .2s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: .8rem; margin-left: 1rem; }

/* Grouped nav dropdowns — Functions \25be / Automation \25be / Why \25be */
.nav-group { position: relative; display: inline-flex; align-items: center; }
.nav-group-btn {
  display: inline-flex; align-items: center; gap: .3rem;
  font: inherit; font-size: .92rem; color: var(--text-dim);
  background: none; border: 0; padding: 0; cursor: pointer; transition: color .15s ease;
}
.nav-group-btn:hover,
.nav-group:focus-within > .nav-group-btn,
.nav-group[data-open="true"] > .nav-group-btn { color: var(--text); }
.nav-group-btn .chev { color: var(--text-dim); transition: transform .2s ease; }
.nav-group:hover .chev,
.nav-group[data-open="true"] .chev { transform: rotate(180deg); }
/* Invisible bridge over the gap so the flyout doesn't close as the cursor crosses it. */
.nav-group::after { content: ''; position: absolute; left: 0; right: 0; top: 100%; height: .6rem; }

.nav-menu {
  position: absolute; top: calc(100% + .55rem); left: 0; z-index: 30; min-width: 210px;
  display: flex; flex-direction: column; gap: .05rem; padding: .4rem;
  background: rgba(11, 32, 24, .92); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-bright); border-radius: 14px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .5);
  opacity: 0; transform: translateY(-6px) scale(.98); transform-origin: top left;
  pointer-events: none; transition: opacity .16s ease, transform .16s ease;
}
.nav-group:hover .nav-menu,
.nav-group:focus-within .nav-menu,
.nav-group[data-open="true"] .nav-menu { opacity: 1; transform: none; pointer-events: auto; }
.nav-menu a {
  padding: .5rem .7rem; border-radius: 9px; color: var(--text-dim);
  font-size: .9rem; white-space: nowrap; transition: background .12s ease, color .12s ease;
}
.nav-menu a::after { display: none; }   /* drop the underline animation inherited from .nav-links a */
.nav-menu a:hover { background: var(--glass-bg-strong); color: var(--text); text-decoration: none; }

/* Hamburger toggle — hidden on desktop, shown on the mobile fold-down nav. */
.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 42px; height: 38px; padding: 0; margin-left: auto; cursor: pointer;
  background: var(--glass-bg-strong); border: 1px solid var(--glass-border);
  border-radius: 10px; color: var(--text); transition: border-color .15s ease, background .15s ease;
}
.nav-toggle:hover { border-color: var(--glass-border-bright); background: rgba(141,198,63,.08); }
.nav-toggle .bars, .nav-toggle .bars::before, .nav-toggle .bars::after {
  content: ''; display: block; width: 18px; height: 2px; border-radius: 2px;
  background: currentColor; transition: transform .2s ease, top .2s ease, background .15s ease;
}
.nav-toggle .bars { position: relative; }
.nav-toggle .bars::before, .nav-toggle .bars::after { position: absolute; left: 0; }
.nav-toggle .bars::before { top: -6px; }
.nav-toggle .bars::after { top: 6px; }
.nav.open .nav-toggle .bars { background: transparent; }
.nav.open .nav-toggle .bars::before { top: 0; transform: rotate(45deg); }
.nav.open .nav-toggle .bars::after { top: 0; transform: rotate(-45deg); }

/* Custom language dropdown */
.lang { position: relative; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: .5rem; cursor: pointer;
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .06em; color: var(--text);
  background: var(--glass-bg-strong); border: 1px solid var(--glass-border); border-radius: 999px;
  padding: .5rem .8rem; transition: border-color .15s ease, background .15s ease;
}
.lang-toggle:hover { border-color: var(--glass-border-bright); background: rgba(141,198,63,.08); }
.lang-toggle .globe { color: var(--herbal-lime); }
.lang-toggle .chev { color: var(--text-dim); transition: transform .2s ease; }
.lang[data-open="true"] .lang-toggle { border-color: var(--glass-border-bright); }
.lang[data-open="true"] .chev { transform: rotate(180deg); }

.lang-menu {
  position: absolute; top: calc(100% + .55rem); right: 0; z-index: 30; min-width: 168px;
  list-style: none; margin: 0; padding: .4rem;
  background: rgba(11, 32, 24, .92); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-bright); border-radius: 14px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .5);
  opacity: 0; transform: translateY(-6px) scale(.98); transform-origin: top right;
  pointer-events: none; transition: opacity .16s ease, transform .16s ease;
}
.lang[data-open="true"] .lang-menu { opacity: 1; transform: none; pointer-events: auto; }
.lang-menu li {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  padding: .6rem .8rem; border-radius: 9px; cursor: pointer; color: var(--text-dim);
  font-size: .92rem; transition: background .12s ease, color .12s ease;
}
.lang-menu li:hover { background: var(--glass-bg-strong); color: var(--text); }
.lang-menu li[aria-selected="true"] { color: var(--herbal-lime); }
.lang-menu li[aria-selected="true"]::after {
  content: ''; width: 14px; height: 14px; flex: none;
  background: var(--herbal-lime);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block; padding: .72rem 1.35rem; border-radius: 999px;
  font-weight: 600; font-size: .95rem; cursor: pointer; border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--herbal-lime); color: #0a1f15; }
.btn-primary:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 10px 28px -6px var(--herbal-glow); }
.btn-ghost { background: var(--glass-bg); border-color: var(--glass-border); color: var(--text); }
.btn-ghost:hover { text-decoration: none; border-color: var(--glass-border-bright); transform: translateY(-1px); }
/* Compact, equal-width buttons for the nav bar (GitHub + Patreon sit side by side). */
.btn-nav { padding: .48rem 1rem; font-size: .85rem; min-width: 6.6rem; text-align: center; }

/* ---- Sections ---- */
section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section-head { max-width: 760px; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head p { color: var(--text-dim); font-size: 1.08rem; margin-bottom: 0; }
h2 { font-size: clamp(2.1rem, 4.4vw, 3.2rem); letter-spacing: -.01em; }

/* ---- Hero ---- */
.hero { padding-top: clamp(3.5rem, 7vw, 6rem); padding-bottom: clamp(2.5rem, 5vw, 4rem); }
.hero-grid {
  max-width: var(--maxw-wide); display: grid; grid-template-columns: 1.05fr .95fr;
  align-items: center; gap: 2rem;
}
.hero h1 { font-size: clamp(3rem, 7.2vw, 5.4rem); letter-spacing: -.015em; }
.hero p.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--text-dim); max-width: 620px; margin: 1.5rem 0 2.3rem; }
.hero-cta { display: flex; gap: .9rem; flex-wrap: wrap; }
.hero-note { margin-top: 1.7rem; font-family: var(--font-mono); font-size: .8rem; color: var(--text-faint); }

.hero-visual { position: relative; display: grid; place-items: center; }
.hero-img {
  width: 100%; height: auto; display: block; border-radius: var(--radius);
  border: 1px solid var(--glass-border-bright);
  box-shadow: var(--shadow-md);
}
.hero-visual::after {
  content: ''; position: absolute; inset: -8%; z-index: -1;
  background: radial-gradient(60% 60% at 70% 40%, rgba(141,198,63,.28), transparent 70%);
  filter: blur(34px);
}

.flow {
  margin-top: clamp(2rem, 4vw, 3.2rem); display: flex; align-items: center; gap: .7rem; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: .82rem; color: var(--text-dim);
}
.flow .box { padding: .55rem .95rem; border: 1px solid var(--glass-border); border-radius: 10px; background: var(--glass-bg); }
.flow .mid { border-color: var(--glass-border-bright); color: var(--text); background: var(--glass-bg-strong); box-shadow: 0 0 18px -6px var(--herbal-glow); }
.flow .arrow { color: var(--herbal-lime); }

/* ---- Cards / grids ---- */
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); }
.card {
  position: relative; overflow: hidden;
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius);
  padding: 1.7rem 1.6rem;
  transition: border-color .18s ease, transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.card::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--herbal-lime), transparent);
  opacity: 0; transition: opacity .18s ease;
}
.card:hover { border-color: var(--glass-border-bright); transform: translateY(-3px); background: var(--glass-bg-strong); box-shadow: 0 16px 40px -18px rgba(0,0,0,.7); }
.card:hover::before { opacity: 1; }
.card .tag { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .15em; text-transform: uppercase; color: var(--herbal-lime); }
.card h3 { font-size: 1.55rem; margin: .55rem 0; }
.card p { color: var(--text-dim); margin: 0; font-size: .97rem; }

/* ---- Status pills (Built / Roadmap) ---- */
.pill {
  display: inline-flex; align-items: center; gap: .45rem;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  padding: .3rem .7rem; border-radius: 999px; border: 1px solid var(--glass-border);
}
.pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill-built { color: var(--herbal-lime); border-color: var(--glass-border-bright); background: rgba(141,198,63,.08); }
.pill-roadmap { color: var(--text-dim); background: var(--glass-bg-strong); }
.card .pill { margin-left: .5rem; vertical-align: middle; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; flex-wrap: wrap; }
.status-line { font-family: var(--font-mono); font-size: .85rem; color: var(--text-dim); margin: 1.1rem 0 0; }

/* ---- Numbered step list ---- */
.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; max-width: 760px; }
.steps li {
  position: relative; counter-increment: step;
  padding: 1rem 1.1rem 1rem 3.4rem; margin: 0 0 .7rem;
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  background: var(--glass-bg); color: var(--text-dim);
}
.steps li::before {
  content: counter(step); position: absolute; left: 1rem; top: 1rem;
  width: 1.7rem; height: 1.7rem; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: .85rem; color: var(--herbal-lime);
  border: 1px solid var(--glass-border-bright); border-radius: 50%; background: rgba(141,198,63,.08);
}
.steps li strong { color: var(--text); }

.problem { border-left: 2px solid var(--danger); }
.problem .tag { color: var(--danger); }
.problem::before { background: linear-gradient(90deg, transparent, var(--danger), transparent); }

/* ---- Comparison table ---- */
.compare-wrap { border: 1px solid var(--glass-border); border-radius: var(--radius); overflow: hidden; background: var(--glass-bg); }
.compare { width: 100%; border-collapse: collapse; font-size: .98rem; }
.compare th, .compare td { text-align: left; padding: 1.05rem 1.3rem; border-bottom: 1px solid var(--glass-border); vertical-align: top; }
.compare tbody tr:last-child td { border-bottom: none; }
.compare thead th { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint); background: rgba(255,255,255,.02); }
.compare thead th.us { color: var(--herbal-lime); }
.compare td.dim { color: var(--text-dim); }
.compare td.us { color: var(--text); }
.compare tbody tr:hover td { background: rgba(141,198,63,.04); }
.compare .feat { color: var(--text); font-weight: 600; }
.compare .us { border-left: 1px solid var(--glass-border); }
.compare thead th.us { border-left: 1px solid var(--glass-border-bright); }

/* ---- Architecture ---- */
.arch { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius); padding: clamp(1.25rem, 3vw, 2rem); }
.arch pre {
  font-family: var(--font-mono); font-size: clamp(.62rem, 1.1vw, .82rem); color: var(--text-dim); overflow-x: auto;
  margin: 0; line-height: 1.55;
}
.arch pre b { color: var(--herbal-lime); font-weight: 400; }

/* ---- Layered stack (big-picture: office → openWCS → floor) ---- */
.layer-stack { display: flex; flex-direction: column; align-items: stretch; max-width: 720px; }
.layer {
  display: flex; align-items: center; gap: 1.1rem;
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  background: var(--glass-bg); padding: 1.2rem 1.4rem;
}
.layer-mid {
  border-color: var(--glass-border-bright);
  background: linear-gradient(180deg, rgba(141,198,63,.08), rgba(255,255,255,.02));
  box-shadow: 0 0 26px -10px var(--herbal-glow);
}
.layer-label {
  flex: 0 0 auto; min-width: 9.5rem;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--herbal-lime);
}
.layer-body { display: flex; flex-direction: column; gap: .25rem; }
.layer-body strong { color: var(--text); font-size: 1.05rem; }
.layer-body span { color: var(--text-dim); font-size: .95rem; }
.layer-arrow { align-self: center; color: var(--herbal-lime); font-size: 1.3rem; line-height: 1; padding: .35rem 0; }

/* ---- Journey step list + horizontal flow ---- */
.steps.journey li strong { display: inline; }
.journey-flow { margin-top: clamp(1.5rem, 3vw, 2.4rem); }

/* ---- Architecture map (box-and-arrow diagram, no JS) ---- */
.archmap {
  border: 1px solid var(--glass-border); border-radius: var(--radius);
  background: var(--glass-bg); padding: clamp(1.3rem, 3vw, 2.2rem);
  display: flex; flex-direction: column; align-items: center; gap: .2rem;
}
.archmap-row { width: 100%; display: flex; justify-content: center; flex-wrap: wrap; gap: .6rem; }
.archmap-conn { color: var(--herbal-lime); font-size: 1.15rem; line-height: 1; padding: .15rem 0; }
.archmap-node, .archmap-gate, .archmap-log, .archmap-orch {
  text-align: center; padding: .85rem 1.2rem; border-radius: 12px;
  border: 1px solid var(--glass-border); background: var(--glass-bg-strong);
  font-size: .98rem; color: var(--text);
}
.node-host, .node-floor { min-width: 60%; }
.archmap-gate {
  border-color: var(--glass-border-bright);
  background: rgba(141,198,63,.08); min-width: 70%;
  font-family: var(--font-mono); font-size: .82rem; letter-spacing: .02em;
}
.archmap-log {
  border-color: var(--glass-border-bright);
  background: linear-gradient(180deg, rgba(141,198,63,.1), rgba(255,255,255,.02));
  box-shadow: 0 0 24px -10px var(--herbal-glow);
  min-width: 80%; color: var(--text);
}
.archmap-orch { min-width: 55%; }
.archmap-services { gap: .55rem; }
.archmap-chip {
  padding: .55rem .9rem; border-radius: 999px;
  border: 1px solid var(--glass-border); background: var(--glass-bg);
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .04em; color: var(--text-dim);
}
.archmap-chip.chip-adapter { border-color: var(--glass-border-bright); color: var(--text); background: rgba(141,198,63,.06); }

/* ---- CTA band ---- */
.cta-band {
  text-align: center;
  border: 1px solid var(--glass-border-bright);
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(180deg, rgba(141,198,63,.08), rgba(255,255,255,.02));
  padding: clamp(2.75rem, 6vw, 4.5rem) var(--gutter);
  box-shadow: var(--shadow-md);
}
.cta-band h2 { margin-bottom: .85rem; }
.cta-band p { color: var(--text-dim); max-width: 580px; margin: 0 auto 1.9rem; }

/* ---- Footer ---- */
footer { border-top: 1px solid var(--glass-border); padding: 2.6rem 0; color: var(--text-faint); font-size: .88rem; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; max-width: var(--maxw-wide); }

/* ---- Roadmap timeline (public/roadmap.html, rendered from roadmap.md) ---- */
.rm-legend {
  display: flex; flex-wrap: wrap; gap: .9rem 1.4rem; align-items: center;
  margin: 1.6rem 0 0; font-family: var(--font-mono); font-size: .76rem;
  letter-spacing: .04em; color: var(--text-dim);
}
.rm-legend span { display: inline-flex; align-items: center; gap: .5rem; }
.rm-legend i {
  width: 9px; height: 9px; border-radius: 50%; flex: none; background: currentColor;
  box-shadow: 0 0 0 3px rgba(255,255,255,.04);
}
.rm-legend .lg-done { color: var(--herbal-lime); }
.rm-legend .lg-active { color: #f5c451; }
.rm-legend .lg-planned { color: var(--text-dim); }
.rm-legend .lg-exploring { color: var(--text-faint); }

/* Alternating timeline: a central glowing spine with milestone markers per phase
   and item cards hanging off either side, each pinned to the spine by a node. */
.roadmap { position: relative; max-width: 940px; margin: clamp(1rem, 3vw, 2rem) auto 0; }
.roadmap::before {                          /* the central spine */
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; transform: translateX(-50%);
  background: linear-gradient(180deg, var(--herbal-lime) 0%, rgba(141,198,63,.55) 55%, rgba(141,198,63,.18) 88%, transparent);
  box-shadow: 0 0 18px -2px var(--herbal-glow);
}

/* ---- Phase milestone (a labelled station straddling the spine) ---- */
.tl-phase { position: relative; display: flex; justify-content: center; margin: clamp(1.6rem, 4vw, 2.8rem) 0 clamp(.6rem, 2vw, 1.2rem); }
.tl-phase:first-child { margin-top: 0; }
.tl-milestone {
  position: relative; z-index: 2; display: inline-flex; align-items: center; gap: .75rem;
  padding: .55rem 1.25rem .55rem .95rem; border-radius: 999px;
  background: rgba(11,32,24,.92); border: 1px solid var(--glass-border-bright);
  box-shadow: 0 0 26px -8px var(--herbal-glow); backdrop-filter: blur(8px);
}
.tl-mdot { width: 12px; height: 12px; border-radius: 50%; flex: none; background: var(--herbal-lime); box-shadow: 0 0 12px 1px var(--herbal-glow); }
.tl-milestone h2 { font-size: clamp(1.3rem, 2.8vw, 1.85rem); }
.tl-msub { margin: 0; font-family: var(--font-mono); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; color: var(--text-dim); }

/* ---- Timeline item (card on one side, node on the spine) ---- */
.tl-item { position: relative; display: flex; margin: .9rem 0; min-height: 2.4rem; }
.tl-item.tl-left  { justify-content: flex-start; }
.tl-item.tl-right { justify-content: flex-end; }
.tl-item .rm-card { width: calc(50% - 2.6rem); }
.tl-node {
  position: absolute; left: 50%; top: 1.9rem; width: 15px; height: 15px; transform: translate(-50%, -50%);
  z-index: 2; border-radius: 50%; background: rgba(6,24,18,1);
  border: 2px solid var(--herbal-lime); box-shadow: 0 0 12px -2px var(--herbal-glow);
}
.tl-conn { position: absolute; top: 1.9rem; height: 2px; width: 2.6rem; background: var(--glass-border-bright); }
.tl-left  .tl-conn { right: 50%; }
.tl-right .tl-conn { left: 50%; }
/* node colour follows status */
.tl-item.rm-active .tl-node { border-color: #f5c451; box-shadow: 0 0 12px -2px rgba(245,196,81,.6); }
.tl-item.rm-active .tl-conn { background: rgba(245,196,81,.5); }
.tl-item.rm-planned .tl-node, .tl-item.rm-exploring .tl-node { border-color: rgba(247,249,248,.35); box-shadow: none; }

/* ---- Card ---- */
.rm-card {
  position: relative; overflow: hidden;
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius);
  border-left: 2px solid var(--glass-border);
  padding: 1.25rem 1.35rem;
  transition: border-color .18s ease, transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.rm-card:hover {
  border-color: var(--glass-border-bright); border-left-color: var(--herbal-lime);
  transform: translateY(-3px); background: var(--glass-bg-strong);
  box-shadow: 0 16px 40px -18px rgba(0,0,0,.7);
}
.rm-card h3 { font-size: 1.22rem; margin: 0; }
.rm-card p { color: var(--text-dim); margin: .5rem 0 0; font-size: .92rem; }
.rm-card-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; flex-wrap: wrap; }
/* Status accent on the left edge of each card. */
.rm-done { border-left-color: var(--herbal-lime); }
.rm-active { border-left-color: #f5c451; }
.rm-planned { border-left-color: rgba(247,249,248,.28); }
.rm-exploring { border-left-color: rgba(247,249,248,.16); }

/* Status pills specific to the roadmap (Built/Roadmap pills live above). */
.pill-active { color: #f5c451; border-color: rgba(245,196,81,.42); background: rgba(245,196,81,.1); }
.pill-active::before { animation: rm-pulse 1.8s ease-in-out infinite; }
.pill-planned { color: var(--text-dim); background: var(--glass-bg-strong); }
.pill-exploring { color: var(--text-faint); background: var(--glass-bg); }
@keyframes rm-pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .35; transform: scale(.7); } }

.rm-source {
  margin-top: clamp(2.5rem, 5vw, 3.5rem); font-family: var(--font-mono); font-size: .82rem;
  color: var(--text-faint);
}
.rm-source code {
  color: var(--herbal-lime); background: var(--glass-bg-strong);
  padding: .12rem .42rem; border-radius: 6px; border: 1px solid var(--glass-border);
}

/* ---- Collapse to a single left-aligned rail on narrow screens ---- */
@media (max-width: 720px) {
  .roadmap { max-width: none; }
  .roadmap::before { left: 9px; transform: none; }
  .tl-phase { justify-content: flex-start; }
  .tl-milestone { margin-left: -3px; }
  .tl-item, .tl-item.tl-left, .tl-item.tl-right { justify-content: flex-start; padding-left: 2.5rem; }
  .tl-item .rm-card { width: 100%; }
  .tl-node { left: 9px; }
  .tl-conn { left: 9px; right: auto; width: 2.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  .pill-active::before { animation: none; }
}

@keyframes navFold { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ---- Reveal-on-scroll ---- */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].in { opacity: 1; transform: none; }

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}
@media (max-width: 820px) {
  .grid-2 { grid-template-columns: 1fr; }

  /* Mobile fold-down nav: brand + hamburger on the top row, links and
     actions drop into full-width stacked rows when the menu is open. */
  .nav-inner { flex-wrap: wrap; gap: 0; row-gap: 0; }
  .nav-toggle { display: inline-flex; }
  .nav-links, .nav-right { display: none; flex-basis: 100%; width: 100%; }
  .nav.open .nav-links, .nav.open .nav-right { display: flex; animation: navFold .22s ease; }
  .nav.open .nav-links {
    flex-direction: column; align-items: stretch; gap: 0; margin: .7rem 0 0;
    padding-top: .5rem; border-top: 1px solid var(--glass-border);
  }
  .nav.open .nav-links a { padding: .75rem .2rem; font-size: 1rem; }
  .nav.open .nav-links a::after { display: none; }
  /* Grouped nav becomes a tap-to-expand accordion on mobile. */
  .nav.open .nav-group { display: block; width: 100%; }
  .nav.open .nav-group::after { display: none; }   /* no hover bridge on touch */
  .nav.open .nav-group-btn { width: 100%; justify-content: space-between; padding: .75rem .2rem; font-size: 1rem; }
  .nav.open .nav-menu {
    position: static; min-width: 0; padding: 0 0 .35rem .55rem;
    background: none; border: 0; box-shadow: none; backdrop-filter: none;
    opacity: 1; transform: none; pointer-events: auto; display: none;
  }
  .nav.open .nav-group:hover .nav-menu,
  .nav.open .nav-group:focus-within .nav-menu { display: none; }   /* tap-only, not hover/focus */
  .nav.open .nav-group[data-open="true"] .nav-menu { display: flex; }
  .nav.open .nav-menu a { padding: .55rem .2rem; font-size: .95rem; }
  .nav.open .nav-right {
    margin: .8rem 0 .3rem; gap: .7rem; flex-wrap: wrap; align-items: stretch;
  }
  .nav.open .nav-right .lang { flex-basis: 100%; }
  .nav.open .nav-right .lang-toggle { width: 100%; justify-content: flex-start; }
  .nav.open .nav-right .btn-nav { flex: 1; min-width: 0; }
  .compare thead { display: none; }
  .compare td { display: block; border: none; padding: .25rem 1.3rem; }
  .compare td.us { border-left: none; }
  .compare tbody tr { display: block; border-bottom: 1px solid var(--glass-border); padding: .85rem 0; }
  .compare tbody tr:last-child { border-bottom: none; }
  .compare td.feat { font-size: 1.08rem; padding-top: .85rem; }
  .compare td.dim::before { content: '✗  '; color: var(--danger); font-family: var(--font-mono); }
  .compare td.us::before { content: '✓  '; color: var(--herbal-lime); font-family: var(--font-mono); }
  .layer { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .layer-label { min-width: 0; }
  .archmap-node, .archmap-gate, .archmap-log, .archmap-orch, .node-host, .node-floor { min-width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---- Contact modal ---- */
.contact-overlay {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 1.25rem;
  background: rgba(0, 0, 0, .6); backdrop-filter: blur(8px);
  opacity: 0; pointer-events: none;
  transition: opacity .2s ease;
}
.contact-overlay[hidden] { display: none; }
.contact-overlay[data-open="true"] { opacity: 1; pointer-events: auto; }
.contact-dialog {
  position: relative; width: 90%; max-width: 520px;
  padding: 1.9rem 1.8rem 1.7rem;
  background: rgba(11, 32, 24, .92); backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border-bright); border-radius: 16px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, .55);
  color: var(--text);
  transform: translateY(-8px) scale(.97); transform-origin: center;
  transition: transform .2s ease;
}
.contact-overlay[data-open="true"] .contact-dialog { transform: none; }
.contact-dialog h2 { margin: 0 0 .55rem; }
.contact-intro { margin: 0 0 1.25rem; color: var(--text-dim); font-size: .95rem; line-height: 1.55; }
.contact-close {
  position: absolute; top: .85rem; right: .85rem;
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; padding: 0; cursor: pointer;
  background: var(--glass-bg-strong); border: 1px solid var(--glass-border);
  border-radius: 10px; color: var(--text-dim);
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.contact-close:hover { border-color: var(--glass-border-bright); background: rgba(141, 198, 63, .08); color: var(--text); }
.contact-label {
  display: block; margin: 0 0 .35rem; font-size: .82rem; letter-spacing: .02em;
  color: var(--text-dim);
}
.contact-input {
  display: block; width: 100%; margin: 0 0 1rem; padding: .65rem .8rem;
  font: inherit; font-size: .95rem; color: var(--text);
  background: var(--glass-bg-strong); border: 1px solid var(--glass-border);
  border-radius: 10px; box-sizing: border-box;
  transition: border-color .15s ease, background .15s ease;
}
.contact-input::placeholder { color: var(--text-faint); }
.contact-input:focus {
  outline: none; border-color: var(--glass-border-bright);
  background: rgba(141, 198, 63, .06);
}
.contact-textarea { resize: vertical; min-height: 110px; }
.contact-submit { width: 100%; margin-top: .15rem; justify-content: center; }
.contact-hp {
  position: absolute; left: -9999px; top: auto;
  width: 0; height: 0; overflow: hidden;
  opacity: 0; pointer-events: none;
}
.contact-hp-input { width: 1px; height: 1px; }
.contact-status {
  margin: .9rem 0 0; min-height: 1.2em; font-size: .9rem; line-height: 1.5;
}
.contact-status.is-ok { color: var(--herbal-lime); }
.contact-status.is-err { color: #ff8266; }
@media (prefers-reduced-motion: reduce) {
  .contact-overlay, .contact-dialog { transition: none; }
}