/* ==========================================================================
   Beelgha — main stylesheet
   Light, soft, panel-driven. Built on the same page template as the Conium AI
   site, with its own visual language: floating capsule header, rounded
   panels with soft shadows, Outfit display type, logo blue #2489c4 accents.
   ========================================================================== */

:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-2: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #f8fbfe;
  --surface-3: #eef5fb;
  --ink: #0b1a2a;
  --ink-2: #3a4858;
  --muted: #6b7887;
  --line: rgba(15, 40, 70, .10);
  --line-strong: rgba(15, 40, 70, .18);
  --brand: #2489c4;
  --brand-600: #1c74a9;
  --brand-bright: #1b76ad; /* accent text on light surfaces */
  --brand-soft: rgba(36, 137, 196, .08);
  --brand-line: rgba(36, 137, 196, .35);
  --glow: rgba(36, 137, 196, .28);
  --shadow: 0 1px 2px rgba(15, 40, 70, .04), 0 14px 34px -20px rgba(15, 40, 70, .22);
  --shadow-lg: 0 2px 4px rgba(15, 40, 70, .04), 0 30px 70px -36px rgba(15, 60, 100, .35);
  --warn: #e39a2f;
  --radius: 10px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --container: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 72px;
  --font-display: "Outfit", "Inter", system-ui, sans-serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, video, canvas { display: block; max-width: 100%; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); font-weight: 600; letter-spacing: -0.01em; line-height: 1.1; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
strong { font-weight: 600; color: var(--ink); }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }
::selection { background: rgba(36, 137, 196, .2); color: var(--ink); }

.container { width: min(100% - 2 * var(--gutter), var(--container)); margin-inline: auto; }
.container-narrow { width: min(100% - 2 * var(--gutter), 820px); margin-inline: auto; }

.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--brand); color: #fff; padding: .6rem 1rem; border-radius: var(--radius); }
.skip-link:focus { top: 12px; }

/* ---------- typography ---------- */
.display { font-size: clamp(2.4rem, 4.7vw, 3.9rem); line-height: 1.04; letter-spacing: -0.022em; font-weight: 600; }
h1.page-title { font-size: clamp(2.3rem, 4.8vw, 3.8rem); letter-spacing: -0.02em; line-height: 1.06; }
h2, .h2 { font-size: clamp(1.85rem, 3.3vw, 2.8rem); letter-spacing: -0.015em; }
h3, .h3 { font-size: clamp(1.25rem, 1.9vw, 1.55rem); font-weight: 500; letter-spacing: -0.015em; }
h4 { font-size: 1rem; font-weight: 500; }
.lead { font-size: clamp(1.05rem, 1.35vw, 1.22rem); line-height: 1.6; color: var(--ink-2); }
.small { font-size: .875rem; }
.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); }
.measure { max-width: 62ch; }
.grad {
  background: linear-gradient(95deg, #155c88 0%, #2489c4 55%, #3aa3dc 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: .7em;
  font-family: var(--font-mono); font-size: .72rem; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase; color: var(--brand-bright);
  margin-bottom: 1.1rem;
}
/* a tiny outline square, echoing the Beelgha mark */
.eyebrow::before { content: ""; width: 9px; height: 9px; flex: none; border: 1.5px solid var(--brand); border-radius: 2px; box-shadow: 0 0 8px var(--glow); }
.eyebrow-light { color: #d7eefc; }
.eyebrow-light::before { border-color: #d7eefc; }

.num { font-family: var(--font-mono); font-size: .78rem; font-weight: 500; color: var(--brand-bright); letter-spacing: .08em; }

/* ---------- buttons & links ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .85rem 1.35rem; border: 1px solid var(--line-strong); border-radius: var(--radius);
  font-weight: 500; font-size: .95rem; line-height: 1; white-space: nowrap; color: var(--ink);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 10px 24px -12px rgba(36, 137, 196, .7), inset 0 1px 0 rgba(255, 255, 255, .2); }
.btn-primary:hover { background: var(--brand-600); border-color: var(--brand-600); box-shadow: 0 14px 30px -12px rgba(36, 137, 196, .8), inset 0 1px 0 rgba(255, 255, 255, .2); }
.btn-outline { background: #fff; box-shadow: 0 1px 2px rgba(15, 40, 70, .05); }
.btn-outline:hover { background: var(--surface-3); border-color: var(--brand-line); }
.btn-light { background: #fff; border-color: #fff; color: #0c2a40; }
.btn-light:hover { background: #e6f4fd; }
.btn-ghost-light { background: transparent; border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn-ghost-light:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.btn-sm { padding: .65rem 1rem; font-size: .875rem; }
.btn .arrow { width: 16px; height: 16px; transition: transform .2s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

.link-arrow { display: inline-flex; align-items: center; gap: .4rem; font-weight: 500; color: var(--brand-bright); }
.link-arrow::after { content: "→"; transition: transform .2s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }
.link-arrow:hover { color: var(--brand); }

.actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- header: a floating capsule ---------- */
.site-header { position: sticky; top: 0; z-index: 50; padding-top: 12px; pointer-events: none; }
.header-shell {
  pointer-events: auto; position: relative;
  width: min(100% - 2 * var(--gutter), 1280px); margin-inline: auto;
  border: 1px solid var(--line-strong); border-radius: 999px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 16px 40px -22px rgba(15, 40, 70, .35), 0 1px 2px rgba(15, 40, 70, .06);
}
/* a thin brand line along the top edge of the capsule */
.header-shell::before {
  content: ""; position: absolute; left: 12%; right: 12%; top: -1px; height: 1px; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(36, 137, 196, .7), transparent);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; height: 58px; padding: 0 .45rem 0 1.4rem; }
.brand { display: inline-flex; align-items: center; flex: none; }
.brand .logo-lockup { width: auto; height: 28px; flex: none; }
.site-footer .brand .logo-lockup { height: 34px; }

.site-nav { flex: 1; display: flex; align-items: center; justify-content: flex-end; gap: 1rem; }
.nav { display: flex; align-items: center; gap: .1rem; margin-inline: auto; }
.nav > li > a, .nav-btn {
  position: relative; display: inline-flex; align-items: center; gap: .35rem;
  padding: .5rem .95rem; border-radius: 999px;
  font-size: .92rem; font-weight: 500; color: var(--ink-2);
  transition: color .15s, background .15s;
}
.nav > li > a:hover, .nav-btn:hover, .has-menu.open .nav-btn { color: var(--ink); background: var(--surface-3); }
.nav > li > a.active, .nav-btn.active { color: var(--ink); }
/* active page: a small dot under the item */
.nav > li > a.active::after, .nav-btn.active::after {
  content: ""; position: absolute; left: 50%; bottom: 1px; width: 4px; height: 4px; border-radius: 50%;
  background: var(--brand); box-shadow: 0 0 6px var(--glow); transform: translateX(-50%);
}
.chev { width: 14px; height: 14px; transition: transform .2s var(--ease); }
.has-menu { position: relative; }
.has-menu:hover .chev, .has-menu.open .chev, .has-menu:focus-within .chev { transform: rotate(180deg); }
.nav-cta { border-radius: 999px; padding: .62rem 1.1rem; }

/* mega menu: four operating systems as cards + the platform column */
.menu {
  position: absolute; top: calc(100% + 18px); left: 50%;
  width: min(700px, calc(100vw - 2 * var(--gutter)));
  display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: .5rem;
  background: #fff; border: 1px solid var(--line-strong); border-radius: 22px;
  box-shadow: 0 40px 80px -30px rgba(15, 40, 70, .35), 0 2px 6px rgba(15, 40, 70, .05);
  padding: .55rem;
  opacity: 0; visibility: hidden; transform: translate(-50%, 6px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}
.menu::before { content: ""; position: absolute; left: 0; right: 0; top: -20px; height: 20px; } /* hover bridge */
.has-menu:hover .menu, .has-menu:focus-within .menu, .has-menu.open .menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; }
.mega-card {
  display: grid; gap: .2rem; padding: .95rem 1rem; border-radius: 14px;
  background: var(--bg-2); border: 1px solid transparent; transition: border-color .15s, background .15s;
}
.mega-card:hover, .mega-card.active { border-color: var(--brand-line); background: var(--surface-3); }
.mega-card .n { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .1em; color: var(--brand-bright); }
.mega-card .t { font-family: var(--font-display); font-size: 1.08rem; font-weight: 600; color: var(--ink); }
.mega-card .d { font-size: .78rem; line-height: 1.4; color: var(--muted); }
.mega-side { display: flex; flex-direction: column; gap: .15rem; padding: .8rem .9rem; border-radius: 14px; background: radial-gradient(260px 160px at 100% 0%, rgba(36, 137, 196, .14), transparent 70%), #fff; border: 1px solid var(--line); }
.mega-label { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: .35rem; }
.mega-side a { padding: .4rem 0; font-size: .9rem; color: var(--ink-2); transition: color .15s; }
.mega-side a:hover, .mega-side a.active { color: var(--brand-bright); }
.mega-side .menu-all { margin-top: auto; padding-top: .75rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; font-weight: 500; color: var(--brand-bright); }

.nav-toggle { display: none; width: 42px; height: 42px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; border-radius: 999px; border: 1px solid var(--line-strong); }
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--ink); transition: transform .25s var(--ease), opacity .2s; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 959px) {
  .nav-toggle { display: flex; }
  .header-inner { padding-right: .4rem; }
  /* the menu opens as a rounded panel under the capsule */
  .site-nav {
    position: fixed; top: calc(var(--header-h) + 10px); left: var(--gutter); right: var(--gutter); z-index: 49;
    max-height: calc(100vh - var(--header-h) - 28px); overflow-y: auto;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border: 1px solid var(--line-strong); border-radius: 22px;
    box-shadow: 0 40px 80px -30px rgba(15, 40, 70, .4);
    padding: .75rem 1rem 1.25rem;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  }
  body.nav-open .site-nav { opacity: 1; visibility: visible; transform: none; }
  body.nav-open { overflow: hidden; }
  .nav { flex-direction: column; align-items: stretch; gap: 0; margin: 0; }
  .nav > li { border-bottom: 1px solid var(--line); }
  .nav > li > a, .nav-btn { width: 100%; padding: .95rem .25rem; font-size: 1.05rem; justify-content: space-between; border-radius: 0; }
  .nav > li > a:hover, .nav-btn:hover, .has-menu.open .nav-btn { background: none; }
  .nav > li > a.active::after, .nav-btn.active::after { left: auto; right: .25rem; bottom: 50%; transform: translateY(50%); }
  .has-menu .nav-btn.active::after { right: 1.6rem; }
  .menu { position: static; width: auto; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: none; padding: 0 0 .75rem; display: none; grid-template-columns: 1fr; }
  .has-menu:hover .menu, .has-menu:focus-within .menu, .has-menu.open .menu { transform: none; }
  .has-menu.open .menu { display: grid; }
  .menu::before { content: none; }
  .nav-cta { margin-top: 1.1rem; align-self: flex-start; padding: .8rem 1.2rem; font-size: 1rem; }
}
@media (max-width: 520px) { .mega-grid { grid-template-columns: 1fr; } }

/* ---------- sections ---------- */
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section-tight { padding: clamp(48px, 6vw, 80px) 0; }
.section-soft { background: var(--bg-2); }
.section-tint { background: radial-gradient(900px 380px at 85% 0%, rgba(36, 137, 196, .10), transparent 70%), var(--bg-2); }
.section-line { border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 2rem 4rem; align-items: end; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-head h2 { margin-bottom: 0; }
.section-head .lead { margin: 0; }
@media (max-width: 800px) { .section-head { grid-template-columns: 1fr; gap: 1rem; } }

/* dot grid + soft glow used by the hero and page heroes */
.hero, .page-hero { position: relative; overflow: hidden; isolation: isolate; }
.hero::before, .page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(rgba(15, 40, 70, .16) 1px, transparent 1.5px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 20%, transparent 75%);
}
.hero::after, .page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(640px 420px at 78% 38%, rgba(36, 137, 196, .14), transparent 70%),
    radial-gradient(520px 360px at 8% 100%, rgba(36, 137, 196, .06), transparent 70%),
    linear-gradient(180deg, #f7fafd, #fff 80%);
}

/* ---------- hero ---------- */
.hero-inner {
  display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); gap: clamp(2rem, 5vw, 5rem);
  align-items: center; padding: clamp(3rem, 7vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
  min-height: min(calc(100vh - var(--header-h)), 900px);
}
.hero-copy .display { margin-bottom: 1.25rem; }
.hero-copy .lead { max-width: 54ch; margin-bottom: 2rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2.5rem; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.hero-meta span { display: inline-flex; align-items: center; gap: .6em; padding: .45rem .8rem; border: 1px solid var(--line); border-radius: 999px; background: #fff; box-shadow: 0 1px 2px rgba(15, 40, 70, .05); }
.hero-meta span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 6px var(--glow); }

.hero-visual {
  position: relative; aspect-ratio: 1 / 1; max-height: 640px; width: 100%;
  border: 1px solid var(--line); border-radius: var(--radius-xl);
  background: radial-gradient(circle at 50% 45%, rgba(36, 137, 196, .08), transparent 65%), #fff;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-visual canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
/* Conium's corner brackets are replaced by rounded panels */
.frame-corners::before, .frame-corners::after, .frame-corners .c3, .frame-corners .c4 { display: none; }
.hero-visual .tag { position: absolute; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); background: rgba(255, 255, 255, .92); border: 1px solid var(--line); border-radius: 999px; padding: .35rem .7rem; }
.hero-visual .tag-tl { top: 16px; left: 16px; }
.hero-visual .tag-br { bottom: 16px; right: 16px; color: var(--brand-bright); border-color: var(--brand-line); }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; min-height: 0; }
  .hero-visual { max-height: 460px; aspect-ratio: 4 / 3; order: 2; }
}

/* ---------- loop strip: numbered chips ---------- */
.lifecycle { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.lifecycle-inner { display: flex; align-items: center; gap: 1.5rem; padding: 1rem 0; overflow-x: auto; scrollbar-width: none; }
.lifecycle-inner::-webkit-scrollbar { display: none; }
.lifecycle-label { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.lifecycle ol { display: flex; flex: 1; justify-content: space-between; gap: 1.9rem; padding-right: 1.5rem; counter-reset: step; }
.lifecycle li {
  position: relative; counter-increment: step; display: inline-flex; align-items: center; gap: .55rem; white-space: nowrap;
  padding: .45rem .85rem; border: 1px solid var(--line-strong); border-radius: 999px; background: #fff;
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink);
}
.lifecycle li::before { content: counter(step, decimal-leading-zero); color: var(--brand-bright); font-size: .64rem; }
.lifecycle li::after { content: "→"; position: absolute; right: -1.35rem; top: 50%; transform: translateY(-50%); color: var(--brand); }
.lifecycle li:last-child::after { content: "↺"; right: -1.3rem; }
.lifecycle li:last-child { border-color: var(--brand-line); background: var(--surface-3); }
.lifecycle-linear li:last-child::after { content: none; }

/* ---------- product rows: panels ---------- */
.product-list { display: grid; gap: 1rem; }
.product-row {
  display: grid; grid-template-columns: 5rem minmax(0, 1.05fr) minmax(0, 1fr) 22rem;
  gap: 2rem 2.5rem; align-items: center; padding: clamp(1.25rem, 2.4vw, 2rem);
  border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow);
  position: relative; transition: border-color .25s, box-shadow .35s var(--ease), transform .35s var(--ease);
}
.product-row:hover { border-color: var(--brand-line); box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.product-row .num {
  align-self: start; font-family: var(--font-display); font-size: 3rem; font-weight: 600; line-height: 1; letter-spacing: -0.04em;
  color: transparent; -webkit-text-stroke: 1.2px var(--brand);
}
.product-row h3 { font-size: clamp(1.45rem, 2.1vw, 1.9rem); font-weight: 600; margin-bottom: .35rem; transition: color .2s; }
.product-row:hover h3 { color: var(--brand-bright); }
.product-row .tag { color: var(--muted); font-size: .95rem; }
.product-row .desc { font-size: .95rem; }
.product-row .desc p { margin-bottom: .9rem; }
.product-row .viz { border: 1px solid var(--line); border-radius: 14px; background: #fff; aspect-ratio: 4 / 3; overflow: hidden; }
.product-row .viz svg { width: 100%; height: 100%; }
.product-row .row-link { position: absolute; inset: 0; border-radius: 22px; }
.product-row .row-link:focus-visible { outline-offset: -2px; }
.product-row .desc a { position: relative; z-index: 1; }
@media (max-width: 1100px) {
  .product-row { grid-template-columns: 4rem minmax(0, 1fr) 18rem; }
  .product-row .desc { grid-column: 2; }
  .product-row .viz { grid-column: 3; grid-row: 1 / span 2; }
}
@media (max-width: 720px) {
  .product-row { grid-template-columns: 3rem minmax(0, 1fr); }
  .product-row .num { font-size: 2.2rem; }
  .product-row .viz { grid-column: 1 / -1; grid-row: auto; max-width: 480px; }
  .product-row .desc { grid-column: 2; }
}

/* ---------- photo band: an inset, rounded panel ---------- */
.band {
  position: relative; overflow: hidden; color: #fff; isolation: isolate;
  width: min(100% - 2 * var(--gutter), 1320px); margin: clamp(1.5rem, 4vw, 3rem) auto;
  min-height: clamp(380px, 48vw, 540px); display: grid; align-items: end;
  border-radius: var(--radius-xl); box-shadow: var(--shadow-lg);
}
.band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.band::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(8, 24, 38, .08) 0%, rgba(8, 24, 38, .38) 50%, rgba(8, 24, 38, .85) 100%), linear-gradient(90deg, rgba(16, 71, 106, .35), transparent 60%); }
.band-inner { padding: clamp(2rem, 5vw, 4rem) 0; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 2rem; align-items: end; }
.band h2, .band h3 { color: #fff; }
.band .lead { color: rgba(255, 255, 255, .88); }
.band .eyebrow { color: #d7eefc; }
.band .eyebrow::before { border-color: #d7eefc; }
@media (max-width: 800px) { .band-inner { grid-template-columns: 1fr; } }

.photo { position: relative; overflow: hidden; border-radius: var(--radius-lg); background: var(--bg-2); box-shadow: var(--shadow); }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo-16x9 { aspect-ratio: 16 / 9; }
.photo-4x3 { aspect-ratio: 4 / 3; }
.photo-3x4 { aspect-ratio: 3 / 4; }
.photo .caption { position: absolute; left: 14px; bottom: 14px; font-family: var(--font-mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink); background: rgba(255, 255, 255, .92); border-radius: 999px; padding: .35rem .7rem; }

/* ---------- cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 2.5vw, 2.1rem); display: flex; flex-direction: column; gap: .75rem; box-shadow: var(--shadow);
  transition: border-color .25s, background .25s, transform .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover { border-color: var(--brand-line); }
a.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card .num { margin-bottom: 1.1rem; }
.card h3 { font-size: 1.2rem; margin: 0; }
.card p { font-size: .95rem; margin: 0; }
.card .link-arrow { margin-top: auto; padding-top: .75rem; font-size: .9rem; }
.card-icon { width: 42px; height: 42px; color: var(--brand); margin-bottom: .5rem; padding: 8px; border: 1px solid var(--brand-line); border-radius: 12px; background: var(--brand-soft); }
.card-accent { background: linear-gradient(160deg, rgba(36, 137, 196, .12), #fff 70%); border-color: var(--brand-line); }
@media (max-width: 900px) { .cards, .cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .cards, .cards-2, .cards-4 { grid-template-columns: 1fr; } }

/* ---------- split ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.split .lead { margin-bottom: 1.5rem; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* ---------- lists ---------- */
.check-list { display: grid; gap: .55rem; }
.check-list li { position: relative; padding-left: 1.5rem; font-size: .95rem; }
/* hexagon bullets: the agent shape */
.check-list li::before { content: ""; position: absolute; left: 0; top: .45em; width: 9px; height: 10px; background: var(--brand); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.check-list.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 2rem; }
@media (max-width: 560px) { .check-list.cols-2 { grid-template-columns: 1fr; } }

.value { background: var(--brand-soft); border: 1px solid var(--brand-line); border-radius: 14px; padding: 1.1rem 1.4rem; margin-top: 1.5rem; }
.value .label { display: block; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--brand-bright); margin-bottom: .35rem; }
.value p { margin: 0; font-size: .95rem; color: var(--ink); }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .75rem; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 1.25rem 1.4rem; box-shadow: var(--shadow); }
.stat .k { display: block; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--brand-bright); margin-bottom: .5rem; }
.stat .v { display: block; font-family: var(--font-display); font-size: 1.2rem; font-weight: 500; color: var(--ink); letter-spacing: -0.01em; line-height: 1.3; }

/* ---------- page hero ---------- */
.page-hero { padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--line); }
.page-hero-inner { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.page-hero .tagline { font-family: var(--font-display); font-size: clamp(1.2rem, 1.7vw, 1.45rem); color: var(--ink); font-weight: 500; letter-spacing: -0.01em; margin-bottom: 1rem; }
.page-hero .lead { max-width: 56ch; margin-bottom: 1.75rem; }
.page-hero .viz { border: 1px solid var(--line); border-radius: 22px; background: #fff; aspect-ratio: 4 / 3; overflow: hidden; position: relative; box-shadow: var(--shadow-lg); }
.page-hero .viz svg { width: 100%; height: 100%; }
@media (max-width: 900px) { .page-hero-inner { grid-template-columns: 1fr; } }

.breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.5rem; }
.breadcrumb a:hover { color: var(--brand-bright); }
.breadcrumb li + li::before { content: "/"; margin-right: .5rem; color: var(--line-strong); }

.module { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); padding: clamp(3rem, 6vw, 5rem) 0; border-top: 1px solid var(--line); }
.module:first-child { border-top: 0; }
.module .num { display: inline-block; margin-bottom: 1rem; padding: .3rem .7rem; border: 1px solid var(--brand-line); border-radius: 999px; background: var(--brand-soft); font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; }
.module h3 { font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 600; margin-bottom: .5rem; }
.module .tagline { font-family: var(--font-display); font-size: 1.15rem; color: var(--ink); font-weight: 500; margin-bottom: 1rem; }
.module-side h4 { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 500; margin-bottom: 1rem; }
@media (max-width: 860px) { .module { grid-template-columns: 1fr; gap: 2rem; } }

.questions { display: grid; gap: .6rem; }
.questions li { display: flex; gap: 1rem; align-items: center; padding: .9rem 1.1rem; border: 1px solid var(--line); border-radius: 12px; background: #fff; font-size: 1rem; color: var(--ink); box-shadow: 0 1px 2px rgba(15, 40, 70, .04); }
.questions li::before { content: "?"; flex: none; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; background: var(--brand-soft); color: var(--brand-bright); font-family: var(--font-mono); font-size: .8rem; border: 1px solid var(--brand-line); }

.pill-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.pill { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; padding: .45rem .8rem; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--ink-2); background: #fff; transition: border-color .2s, color .2s; }
a.pill:hover { border-color: var(--brand-line); color: var(--brand-bright); }

/* ---------- CTA: an inset panel in deep blue ---------- */
.cta { padding: clamp(2rem, 5vw, 4rem) 0 clamp(3rem, 6vw, 5rem); }
.cta-inner {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr); gap: 2rem; align-items: center;
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 5vw, 4rem);
  border-radius: var(--radius-xl);
  background: radial-gradient(700px 320px at 95% 0%, rgba(120, 200, 245, .35), transparent 70%), linear-gradient(135deg, #0c2a40 0%, #155c88 55%, #2489c4 100%);
  box-shadow: 0 40px 90px -50px rgba(21, 92, 136, .8);
}
.cta-inner::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(rgba(255, 255, 255, .18) 1px, transparent 1.5px); background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000); mask-image: linear-gradient(90deg, transparent 30%, #000);
}
.cta h2 { color: #fff; margin-bottom: .75rem; }
.cta p { color: rgba(255, 255, 255, .85); max-width: 52ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: flex-end; align-items: center; }
@media (max-width: 800px) { .cta-inner { grid-template-columns: 1fr; } .cta-actions { justify-content: flex-start; } }

/* ---------- footer ---------- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--line); padding: clamp(3rem, 6vw, 5rem) 0 2rem; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); gap: 2.5rem; }
.footer-brand p { max-width: 34ch; margin: 1.25rem 0; color: var(--ink-2); }
.footer-col h4 { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 500; margin-bottom: 1rem; }
.footer-col li { margin-bottom: .55rem; }
.footer-col a:hover { color: var(--brand-bright); }
.social { display: inline-flex; align-items: center; gap: .6rem; font-weight: 500; color: var(--ink); padding: .55rem .9rem; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; transition: border-color .2s, color .2s; }
.social svg { width: 18px; height: 18px; color: #0a66c2; }
.social:hover { border-color: var(--brand-line); color: var(--brand-bright); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: .82rem; color: var(--muted); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- forms ---------- */
.form { display: grid; gap: 1.1rem; padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: grid; gap: .4rem; }
.field label { font-size: .85rem; font-weight: 500; color: var(--ink); }
.field input, .field select, .field textarea {
  font: inherit; font-size: .95rem; color: var(--ink); background: var(--bg-2);
  border: 1px solid var(--line-strong); border-radius: var(--radius); padding: .75rem .9rem; width: 100%;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.field input::placeholder, .field textarea::placeholder { color: #8a97a5; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; background: #fff; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(36, 137, 196, .18); }
.field textarea { min-height: 150px; resize: vertical; }
.form-note { font-size: .82rem; color: var(--muted); }
.hidden { display: none !important; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- contact / company helpers ---------- */
.info-list { display: grid; gap: 1.5rem; }
.info-list h4 { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 500; margin-bottom: .4rem; }
.info-list p { margin: 0; }

/* ---------- 404 ---------- */
.notfound { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 4rem 0; }
.notfound .code { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .2em; color: var(--brand-bright); margin-bottom: 1rem; }

/* ---------- formula: items joined by ×, + or → ---------- */
.formula { display: flex; flex-wrap: wrap; gap: .5rem .9rem; padding: 1.25rem 1.4rem; border: 1px solid var(--line-strong); border-radius: 14px; background: #fff; font-family: var(--font-mono); font-size: clamp(.9rem, 1.5vw, 1.05rem); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.formula span + span::before { content: "×"; color: var(--brand); margin-right: .9rem; }
.formula span:last-child { color: var(--brand-bright); font-weight: 500; }
.formula-plus span + span::before { content: "+"; }
.formula-arrows span + span::before { content: "→"; }
.formula-sm { font-size: .78rem; padding: 1rem 1.1rem; gap: .45rem .7rem; }
.formula-sm span + span::before { margin-right: .7rem; }

/* ---------- architecture stack ---------- */
.stack { display: grid; gap: .85rem; }
.stack-row {
  position: relative; display: grid; grid-template-columns: 3rem minmax(0, 13rem) minmax(0, 1fr);
  gap: .25rem 1.5rem; align-items: center; padding: 1rem 1.25rem;
  background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 1px 2px rgba(15, 40, 70, .04);
}
.stack > * + *::before { content: "↓"; position: absolute; left: 2.75rem; top: -.45rem; transform: translate(-50%, -50%); color: var(--brand); font-size: .75rem; line-height: 1; }
.stack-row .k { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; color: var(--brand-bright); }
.stack-row .t { font-family: var(--font-display); font-weight: 500; color: var(--ink); font-size: 1.1rem; }
.stack-row .d { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); line-height: 1.7; }
.stack-world { background: transparent; border-style: dashed; border-color: var(--line-strong); box-shadow: none; }
.stack-control { background: linear-gradient(90deg, #0f3552, #1b6fa3); border-color: transparent; box-shadow: 0 16px 36px -22px rgba(21, 92, 136, .8); }
.stack-control .k, .stack-control .t { color: #fff; }
.stack-control .d { color: #cfe8f7; }
.stack-os { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .6rem; }
.stack-os a { display: grid; gap: .2rem; padding: 1rem 1.25rem; border-radius: 14px; background: linear-gradient(135deg, #1d78af, var(--brand)); color: #fff; box-shadow: 0 16px 34px -22px rgba(36, 137, 196, .9); transition: transform .2s var(--ease), box-shadow .2s; }
.stack-os a:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -20px rgba(36, 137, 196, .9); }
.stack-os .t { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; }
.stack-os .d { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .1em; text-transform: uppercase; color: #d7eefc; }
@media (max-width: 760px) {
  .stack-row { grid-template-columns: 2.25rem minmax(0, 1fr); }
  .stack-row .d { grid-column: 2; }
  .stack > * + *::before { left: 2.35rem; }
  .stack-os { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- scenario sequence ---------- */
.sequence { display: grid; gap: .5rem; }
.sequence li {
  display: grid; grid-template-columns: 2rem minmax(0, 12rem) minmax(0, 1fr); gap: .25rem 1rem; align-items: baseline;
  padding: .85rem 1.1rem; border: 1px solid var(--line); border-radius: 12px; background: #fff;
}
.sequence .n { font-family: var(--font-mono); font-size: .7rem; color: var(--muted); }
.sequence .who { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--brand-bright); }
.sequence .who::before { content: ""; flex: none; width: 10px; height: 10px; border: 1.5px solid var(--brand); }
.sequence .human::before { border-radius: 50%; }
.sequence .agent::before { border: 0; width: 11px; height: 12px; background: var(--brand); clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); }
.sequence .machine::before { background: rgba(36, 137, 196, .18); }
.sequence p { margin: 0; font-size: .95rem; color: var(--ink); }
.sequence .alert { border-color: rgba(227, 154, 47, .5); background: #fdf6ea; }
.sequence .alert .who { color: #8a5a12; }
.sequence .alert .who::before { border-color: var(--warn); }
.sequence .approve { border-color: var(--brand-line); background: var(--surface-3); }
@media (max-width: 640px) {
  .sequence li { grid-template-columns: 1.75rem minmax(0, 1fr); }
  .sequence p { grid-column: 2; }
}

/* ---------- feature list ---------- */
.feature-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.feature-list > li { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: .3rem 1rem; padding: 1.25rem 1.35rem; border: 1px solid var(--line); border-radius: 14px; background: #fff; align-content: start; box-shadow: 0 1px 2px rgba(15, 40, 70, .04); transition: border-color .2s; }
.feature-list > li:hover { border-color: var(--brand-line); }
.feature-list .num { grid-row: span 2; padding-top: .25rem; }
.feature-list h3 { font-size: 1.15rem; margin: 0; }
.feature-list p { grid-column: 2; margin: 0; font-size: .95rem; }
@media (max-width: 760px) { .feature-list { grid-template-columns: 1fr; } }

/* ---------- flow ---------- */
.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; }
.flow li { position: relative; border: 1px solid var(--line-strong); border-radius: 12px; background: #fff; padding: .9rem 1rem; }
.flow li:not(:nth-child(4n + 1))::before { content: "→"; position: absolute; left: -.38rem; top: 50%; transform: translate(-50%, -50%); color: var(--brand); font-size: .8rem; }
.flow .k { display: block; font-family: var(--font-mono); font-size: .62rem; letter-spacing: .12em; color: var(--brand-bright); margin-bottom: .3rem; }
.flow .t { display: block; font-weight: 500; color: var(--ink); font-size: .92rem; line-height: 1.35; }
.flow .end { background: linear-gradient(135deg, #1d78af, var(--brand)); border-color: transparent; box-shadow: 0 14px 30px -20px rgba(36, 137, 196, .9); }
.flow .end .k { color: #d7eefc; }
.flow .end .t { color: #fff; }
@media (max-width: 760px) {
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow li:not(:nth-child(4n + 1))::before { content: none; }
  .flow li:nth-child(2n)::before { content: "→"; }
}

/* ---------- human-command decision card ---------- */
.decision-card { margin: 0; border: 1px solid var(--brand-line); border-radius: var(--radius-lg); background: #fff; overflow: hidden; box-shadow: var(--shadow-lg); }
.decision-card .dc-head { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 1.25rem; background: var(--surface-3); border-bottom: 1px solid var(--line); font-family: var(--font-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--brand-bright); }
.decision-card .dc-body { padding: 1.5rem 1.25rem; }
.decision-card .dc-text { font-family: var(--font-display); font-size: clamp(1.25rem, 2vw, 1.6rem); color: var(--ink); letter-spacing: -0.015em; line-height: 1.3; margin-bottom: 1.25rem; }
.decision-card .dc-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.decision-card .dc-actions span { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; padding: .6rem .95rem; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--ink); }
.decision-card .dc-actions .primary { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 8px 20px -10px rgba(36, 137, 196, .8); }
.decision-card .dc-foot { padding: .8rem 1.25rem; border-top: 1px solid var(--line); font-size: .85rem; color: var(--muted); }

/* ---------- eras ---------- */
.eras { display: grid; gap: .5rem; }
.eras li { display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); gap: 1rem; align-items: baseline; padding: .9rem 1.1rem; border: 1px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink); }
.eras .n { font-family: var(--font-mono); font-size: .7rem; color: var(--brand-bright); }
.eras li:last-child { background: linear-gradient(135deg, #1d78af, var(--brand)); border-color: transparent; color: #fff; box-shadow: 0 14px 30px -20px rgba(36, 137, 196, .9); }
.eras li:last-child .n { color: #d7eefc; }

.mono-label { display: block; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 500; margin: 0 0 1rem; }

/* ---------- viz (inline SVG illustrations) ---------- */
.viz svg text { font-family: var(--font-mono); }
.viz-static svg * { animation: none !important; }
/* Illustrations only animate while on screen (main.js toggles .is-visible); paused SVG animations cost no paint. */
.js .viz:not(.is-visible) svg * { animation-play-state: paused; }

@keyframes viz-scan { 0% { transform: translateY(0); } 50% { transform: translateY(var(--scan, 120px)); } 100% { transform: translateY(0); } }
@keyframes viz-dash { to { stroke-dashoffset: -40; } }
@keyframes viz-pulse { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
@keyframes viz-blink { 0%, 100% { opacity: 1; } 50% { opacity: .15; } }
@keyframes viz-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes viz-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.viz .scan { transform-box: fill-box; animation: viz-scan 6s var(--ease) infinite; }
.viz .dash { stroke-dasharray: 6 6; animation: viz-dash 1.6s linear infinite; }
.viz .pulse { animation: viz-pulse 2.4s ease-in-out infinite; }
.viz .blink { animation: viz-blink 1.8s ease-in-out infinite; }
.viz .float { animation: viz-float 4s ease-in-out infinite; }
.viz .grow { transform-box: fill-box; transform-origin: left center; animation: viz-grow 1.4s var(--ease) both; }
.viz .d1 { animation-delay: .3s; } .viz .d2 { animation-delay: .6s; } .viz .d3 { animation-delay: .9s; } .viz .d4 { animation-delay: 1.2s; }

/* ---------- reveal on scroll ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.js [data-reveal].in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- utilities ---------- */
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; } .mt-4 { margin-top: 2.5rem; } .mt-5 { margin-top: 4rem; }
.mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; } .mb-4 { margin-bottom: 2.5rem; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }