/* =====================================================================
   GREENRIDGE GROUP — Design System
   Refined institutional finance × terminal-grade precision
   Type: Fraunces (display, optical) / Hanken Grotesk (body) / IBM Plex Mono (data)
   ===================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Chiaroscuro — deep forest to parchment */
  --ink:        #0c211a;
  --pine:       #0f2c22;
  --forest:     #14352a;
  --forest-2:   #1b4334;
  --moss:       #2a5644;

  --parchment:  #f5efe2;
  --cream:      #fbf8f0;
  --paper:      #fffdf8;

  /* Accents — bronze (regulated), teal (operating) */
  --bronze:      #b08a4f;
  --bronze-deep: #8c6a35;
  --bronze-soft: #d8c39a;
  --teal:        #2f7d6e;
  --teal-light:  #4a9b8a;

  /* Text */
  --on-dark:        #f3eddf;
  --on-dark-muted:  #a9bcb1;
  --on-dark-faint:  rgba(243,237,223,0.42);
  --on-light:       #142b22;
  --on-light-muted: #5a6b61;
  --on-light-faint: #8a988e;

  /* Lines */
  --line-dark:  rgba(243,237,223,0.14);
  --line-light: rgba(20,53,42,0.13);
  --hair:       rgba(176,138,79,0.55);

  /* Golden-ratio spatial scale (φ ≈ 1.618), base 1rem */
  --s-1: 0.382rem;
  --s0:  0.618rem;
  --s1:  1rem;
  --s2:  1.618rem;
  --s3:  2.618rem;
  --s4:  4.236rem;
  --s5:  6.854rem;
  --s6:  11.09rem;

  --maxw: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --r: 3px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; }
body {
  font-family: 'Hanken Grotesk', system-ui, sans-serif;
  background: var(--cream);
  color: var(--on-light);
  line-height: 1.6;
  font-size: 1.02rem;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--bronze); color: var(--ink); }

/* Paper grain — subtle atmosphere */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Typography ---------- */
.display, h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.018em;
  font-optical-sizing: auto;
}
h1 { font-size: clamp(2.6rem, 6.5vw, 5.4rem); }
h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); letter-spacing: -0.01em; }

.serif-italic { font-family: 'Fraunces', serif; font-style: italic; font-weight: 300; }

.mono, .eyebrow, .tag, .data {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
}
.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--bronze-deep);
}
.eyebrow.on-dark { color: var(--bronze-soft); }

.lead { font-size: clamp(1.1rem, 1.7vw, 1.32rem); line-height: 1.55; color: var(--on-light-muted); font-weight: 400; }
.measure { max-width: 62ch; }
.measure-sm { max-width: 46ch; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
section { padding-block: clamp(var(--s4), 9vw, var(--s5)); position: relative; }
.dark { background: var(--forest); color: var(--on-dark); }
.dark .lead { color: var(--on-dark-muted); }
.ink { background: var(--ink); color: var(--on-dark); }
.parchment { background: var(--parchment); }

.rule { height: 1px; background: var(--line-light); border: 0; }
.dark .rule { background: var(--line-dark); }

/* ---------- Header / Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--cream) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line-light);
}
.nav.is-dark {
  background: color-mix(in srgb, var(--ink) 80%, transparent);
  border-bottom-color: var(--line-dark);
  color: var(--on-dark);
}
.nav-inner {
  max-width: var(--maxw); margin-inline: auto;
  padding: 1.05rem var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.brand { display: flex; align-items: center; gap: 0; font-family: 'Fraunces', serif; font-size: 1.3rem; letter-spacing: -0.01em; }
.brand .glyph {
  width: 34px; height: 34px; border-radius: 6px;
  background: var(--forest); color: var(--parchment);
  display: grid; place-items: center;
  font-family: 'Fraunces', serif; font-size: 1.15rem; font-weight: 500;
  border: 1px solid var(--bronze);
  margin-right: 0.7rem;
}
.nav.is-dark .brand .glyph { background: var(--bronze); color: var(--ink); border-color: var(--bronze-soft); }
.brand b { font-weight: 500; margin-left: 0.28em; }

.nav-links { display: flex; align-items: center; gap: clamp(1.2rem, 2.5vw, 2.4rem); list-style: none; }
.nav-links a {
  font-size: 0.82rem; letter-spacing: 0.04em; font-weight: 500;
  position: relative; padding-block: 0.3rem; color: inherit; opacity: 0.82;
  transition: opacity 0.3s var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--bronze); transition: width 0.4s var(--ease);
}
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.74rem !important;
  letter-spacing: 0.12em !important; text-transform: uppercase;
  border: 1px solid var(--bronze); padding: 0.55rem 1.05rem !important; border-radius: var(--r);
  opacity: 1 !important; transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--bronze); color: var(--ink); }
.nav.is-dark .nav-cta:hover { color: var(--ink); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 0.4rem; color: inherit; }
.nav-toggle span { display: block; width: 24px; height: 1.5px; background: currentColor; margin: 5px 0; transition: 0.3s var(--ease); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem;
  letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500;
  padding: 0.95rem 1.6rem; border-radius: var(--r);
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.4s var(--ease), background 0.4s var(--ease), color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.btn .arrow { transition: transform 0.4s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-bronze { background: var(--bronze); color: var(--ink); }
.btn-bronze:hover { background: var(--bronze-soft); box-shadow: 0 12px 30px -12px rgba(176,138,79,0.6); }
.btn-ghost { border-color: currentColor; opacity: 0.85; }
.btn-ghost:hover { opacity: 1; background: rgba(255,255,255,0.04); }
.btn-outline-dark { border-color: var(--line-light); color: var(--on-light); }
.btn-outline-dark:hover { border-color: var(--forest); }

/* ---------- Hero ---------- */
.hero { background: var(--ink); color: var(--on-dark); overflow: hidden; padding-block: clamp(var(--s5), 14vh, 12rem) clamp(var(--s4), 9vw, var(--s5)); position: relative; }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 78% -10%, rgba(47,125,110,0.22), transparent 55%),
    radial-gradient(80% 60% at 10% 110%, rgba(176,138,79,0.10), transparent 60%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: 0.4; pointer-events: none;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 92px 92px;
  -webkit-mask-image: radial-gradient(110% 80% at 70% 20%, #000 30%, transparent 78%);
          mask-image: radial-gradient(110% 80% at 70% 20%, #000 30%, transparent 78%);
}
.hero-inner { position: relative; z-index: 2; }
.hero h1 { max-width: 16ch; }
.hero h1 em { font-style: italic; font-weight: 300; color: var(--bronze-soft); }
.hero-sub { margin-top: var(--s2); max-width: 52ch; }
.hero-actions { margin-top: var(--s3); display: flex; gap: 1rem; flex-wrap: wrap; }

/* Regulatory ticker */
.ticker {
  border-block: 1px solid var(--line-dark);
  background: var(--pine); color: var(--on-dark);
  overflow: hidden; white-space: nowrap;
}
.ticker-track { display: inline-flex; gap: 3.2rem; padding-block: 0.85rem; animation: marquee 38s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker span {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--on-dark-muted);
  display: inline-flex; align-items: center; gap: 0.7rem;
}
.ticker span::before { content: ""; width: 5px; height: 5px; background: var(--bronze); border-radius: 50%; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Section heading kit ---------- */
.sec-head { display: grid; gap: var(--s1); margin-bottom: var(--s3); }
.sec-head .eyebrow { display: flex; align-items: center; gap: 0.8rem; }
.sec-head .eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--bronze); }
.split { display: grid; grid-template-columns: 1fr; gap: var(--s2); align-items: end; }
@media (min-width: 860px) { .split { grid-template-columns: 1.4fr 1fr; } }

/* ---------- Stat band ---------- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
@media (min-width: 760px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--forest); padding: var(--s2); }
.stat .n { font-family: 'Fraunces', serif; font-size: clamp(2rem, 4vw, 2.9rem); line-height: 1; color: var(--parchment); }
.stat .n .u { color: var(--bronze-soft); font-size: 0.55em; }
.stat .l { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-muted); margin-top: 0.7rem; }

/* ---------- Vertical cards ---------- */
.verticals { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--line-light); border: 1px solid var(--line-light); }
@media (min-width: 680px) { .verticals { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .verticals { grid-template-columns: repeat(3, 1fr); } }
.vcard {
  background: var(--paper); padding: var(--s2) var(--s2) calc(var(--s2) + 0.3rem);
  position: relative; display: flex; flex-direction: column; gap: 0.85rem;
  transition: background 0.45s var(--ease), transform 0.45s var(--ease);
  min-height: 270px;
}
.vcard::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--bronze); transform: scaleY(0); transform-origin: top; transition: transform 0.5s var(--ease); }
.vcard.op::before { background: var(--teal); }
.vcard:hover { background: var(--cream); transform: translateY(-3px); }
.vcard:hover::before { transform: scaleY(1); }
.vcard-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.vcard h3 { font-size: 1.32rem; }
.vcard h3 small { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 0.64rem; letter-spacing: 0.14em; color: var(--on-light-faint); margin-top: 0.35rem; text-transform: uppercase; }
.vcard p { font-size: 0.93rem; color: var(--on-light-muted); line-height: 1.55; }
.vcard .foot { margin-top: auto; padding-top: 0.9rem; border-top: 1px solid var(--line-light); font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.06em; color: var(--on-light-faint); }

.tag {
  font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500;
  padding: 0.3rem 0.6rem; border-radius: 100px; border: 1px solid; white-space: nowrap;
}
.tag.reg { color: var(--bronze-deep); border-color: var(--bronze); background: rgba(176,138,79,0.08); }
.tag.op { color: var(--teal); border-color: var(--teal); background: rgba(47,125,110,0.07); }
.tag.dom { color: var(--on-light-muted); border-color: var(--line-light); }

/* ---------- Architecture diagram ---------- */
.arch { background: var(--ink); color: var(--on-dark); }
.arch-frame { border: 1px solid var(--line-dark); border-radius: var(--r); padding: clamp(1.2rem, 3vw, 2.4rem); background: linear-gradient(180deg, var(--pine), var(--ink)); position: relative; overflow: hidden; }
.arch-frame::before {
  content: ""; position: absolute; inset: 0; opacity: 0.35; pointer-events: none;
  background-image: linear-gradient(var(--line-dark) 1px, transparent 1px), linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(80% 80% at 50% 40%, #000, transparent 90%);
          mask-image: radial-gradient(80% 80% at 50% 40%, #000, transparent 90%);
}
.arch svg { position: relative; z-index: 2; width: 100%; height: auto; }
.legend { display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: var(--s2); font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; letter-spacing: 0.08em; color: var(--on-dark-muted); }
.legend span { display: inline-flex; align-items: center; gap: 0.55rem; }
.legend i { width: 11px; height: 11px; border-radius: 2px; display: inline-block; }

/* ---------- Principles ---------- */
.principles { display: grid; grid-template-columns: 1fr; gap: var(--s2); counter-reset: p; }
@media (min-width: 700px) { .principles { grid-template-columns: repeat(2, 1fr); } }
.principle { padding-top: var(--s1); border-top: 1px solid var(--line-light); }
.dark .principle { border-top-color: var(--line-dark); }
.principle::before { counter-increment: p; content: "0" counter(p); font-family: 'IBM Plex Mono', monospace; font-size: 0.74rem; letter-spacing: 0.1em; color: var(--bronze); }
.principle h3 { margin: 0.7rem 0 0.6rem; }
.principle p { color: var(--on-light-muted); font-size: 0.96rem; }
.dark .principle p { color: var(--on-dark-muted); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--bronze); color: var(--ink); }
.cta-band h2 { color: var(--ink); }
.cta-inner { display: grid; gap: var(--s2); align-items: center; }
@media (min-width: 820px) { .cta-inner { grid-template-columns: 1.5fr auto; } }
.cta-band .btn-bronze { background: var(--ink); color: var(--parchment); }
.cta-band .btn-bronze:hover { background: var(--forest); box-shadow: none; }

/* ---------- Forms ---------- */
.form { display: grid; gap: var(--s2); }
.field { display: grid; gap: 0.5rem; }
.field label { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-light-muted); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: 1rem; color: var(--on-light);
  background: var(--paper); border: 1px solid var(--line-light); border-radius: var(--r);
  padding: 0.85rem 1rem; transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--bronze); box-shadow: 0 0 0 3px rgba(176,138,79,0.15); }
.field textarea { resize: vertical; min-height: 130px; }
.row2 { display: grid; gap: var(--s2); }
@media (min-width: 620px) { .row2 { grid-template-columns: 1fr 1fr; } }
.form-note { font-size: 0.85rem; color: var(--on-light-faint); }
.form-msg { font-family: 'IBM Plex Mono', monospace; font-size: 0.82rem; padding: 0.9rem 1rem; border-radius: var(--r); border: 1px solid var(--teal); color: var(--teal); background: rgba(47,125,110,0.07); display: none; }
.form-msg.show { display: block; }
.form-msg.error { border-color: #b4453a; color: #b4453a; background: rgba(180,69,58,0.07); }

/* contact split */
.contact-grid { display: grid; gap: var(--s3); }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1.1fr 0.9fr; } }
.contact-meta dl { display: grid; gap: var(--s2); }
.contact-meta dt { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bronze-deep); margin-bottom: 0.35rem; }
.contact-meta dd { color: var(--on-light); font-size: 1.02rem; }
.contact-meta dd a:hover { color: var(--bronze-deep); }

/* ---------- Page hero (interior) ---------- */
.phero { background: var(--forest); color: var(--on-dark); padding-block: clamp(var(--s4), 11vh, 9rem) clamp(var(--s3), 6vw, var(--s4)); position: relative; overflow: hidden; }
.phero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(90% 70% at 90% 0%, rgba(47,125,110,0.2), transparent 60%); }
.phero .wrap { position: relative; z-index: 2; }
.phero h1 { max-width: 18ch; margin-top: var(--s1); }
.phero .lead { margin-top: var(--s2); }
.breadcrumb { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--on-dark-faint); }

/* ---------- Prose blocks ---------- */
.prose p { color: var(--on-light-muted); margin-bottom: var(--s1); }
.prose p:last-child { margin-bottom: 0; }
.dark .prose p { color: var(--on-dark-muted); }
.pull { font-family: 'Fraunces', serif; font-style: italic; font-weight: 300; font-size: clamp(1.4rem, 2.8vw, 2.1rem); line-height: 1.3; color: var(--on-light); letter-spacing: -0.01em; }
.dark .pull { color: var(--on-dark); }

/* detail rows */
.detail { display: grid; gap: var(--s2); }
.drow { display: grid; gap: var(--s1); padding-block: var(--s2); border-top: 1px solid var(--line-light); align-items: start; }
@media (min-width: 800px) { .drow { grid-template-columns: 0.34fr 0.66fr; gap: var(--s3); } }
.drow:last-child { border-bottom: 1px solid var(--line-light); }
.drow .k { font-family: 'Fraunces', serif; font-size: 1.5rem; }
.drow .k .sub { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-light-faint); margin-top: 0.5rem; }
.drow .v p { color: var(--on-light-muted); }
.drow .chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: var(--on-dark); padding-block: var(--s4) var(--s2); }
.footer-top { display: grid; gap: var(--s3); padding-bottom: var(--s3); border-bottom: 1px solid var(--line-dark); }
@media (min-width: 820px) { .footer-top { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer .brand { color: var(--on-dark); margin-bottom: var(--s1); }
.footer-col h4 { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze-soft); margin-bottom: var(--s1); font-weight: 500; }
.footer-col ul { list-style: none; display: grid; gap: 0.6rem; }
.footer-col a { color: var(--on-dark-muted); font-size: 0.92rem; transition: color 0.3s var(--ease); }
.footer-col a:hover { color: var(--on-dark); }
.footer p.blurb { color: var(--on-dark-muted); max-width: 38ch; font-size: 0.95rem; }
.disclaimer { margin-top: var(--s2); font-size: 0.74rem; line-height: 1.65; color: var(--on-dark-faint); max-width: 100ch; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; margin-top: var(--s2); font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; letter-spacing: 0.08em; color: var(--on-dark-faint); }

/* ---------- Reveal animation ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-d="1"] { transition-delay: 0.08s; }
[data-reveal][data-d="2"] { transition-delay: 0.16s; }
[data-reveal][data-d="3"] { transition-delay: 0.24s; }
[data-reveal][data-d="4"] { transition-delay: 0.32s; }
[data-reveal][data-d="5"] { transition-delay: 0.40s; }

/* hero load stagger */
.hero [data-load] { opacity: 0; transform: translateY(26px); animation: rise 1s var(--ease-out) forwards; }
.hero [data-load="1"] { animation-delay: 0.1s; }
.hero [data-load="2"] { animation-delay: 0.24s; }
.hero [data-load="3"] { animation-delay: 0.38s; }
.hero [data-load="4"] { animation-delay: 0.52s; }
@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero [data-load] { opacity: 1; transform: none; }
}

/* ---------- Mobile nav ---------- */
@media (max-width: 800px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; inset: 64px 0 auto 0; flex-direction: column; align-items: flex-start;
    gap: 0; background: var(--ink); color: var(--on-dark);
    padding: var(--gutter); border-bottom: 1px solid var(--line-dark);
    transform: translateY(-120%); visibility: hidden;
    transition: transform 0.5s var(--ease), visibility 0s linear 0.5s; height: auto;
  }
  .nav-links.open { transform: none; visibility: visible; transition: transform 0.5s var(--ease), visibility 0s; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 1rem 0; width: 100%; border-bottom: 1px solid var(--line-dark); font-size: 1.05rem; opacity: 0.95; }
  .nav-links .nav-cta { border: 1px solid var(--bronze); margin-top: 1rem; text-align: center; }
  .nav.is-dark .nav-links { background: var(--pine); }
}

/* ---------- Architecture diagram line draw ---------- */
.arch-frame [data-line] { transition: stroke-dashoffset 1.5s var(--ease-out); }
.arch-frame.in [data-line] { stroke-dashoffset: 0 !important; }
.arch-frame [data-line]:nth-of-type(2) { transition-delay: 0.25s; }
.arch-frame [data-line]:nth-of-type(n+3) { transition-delay: 0.6s; }
.arch-frame svg g[font-family] > g { opacity: 0; }
.arch-frame.in svg g[font-family] > g { animation: fadein 0.7s var(--ease-out) forwards; }
.arch-frame.in svg g[font-family] > g:nth-child(1) { animation-delay: 0.7s; }
.arch-frame.in svg g[font-family] > g:nth-child(2) { animation-delay: 0.78s; }
.arch-frame.in svg g[font-family] > g:nth-child(3) { animation-delay: 0.86s; }
.arch-frame.in svg g[font-family] > g:nth-child(4) { animation-delay: 0.94s; }
.arch-frame.in svg g[font-family] > g:nth-child(5) { animation-delay: 1.02s; }
.arch-frame.in svg g[font-family] > g:nth-child(6) { animation-delay: 1.10s; }
@keyframes fadein { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .arch-frame svg g[font-family] > g { opacity: 1; } .arch-frame [data-line] { stroke-dashoffset: 0 !important; } }