/* SimOptimum: white, graphite, metallic blue from the logo; warm orange marks the actions. */
:root {
  --ink: #0e1116;
  --graphite: #2b3038;
  --steel: #6a717b;
  --line: #e4e7eb;
  --paper: #ffffff;
  --mist: #f5f6f8;
  --blue: #1d56b8;
  --blue-deep: #0b2f73;
  --signal: #f39a2c;
  --signal-deep: #e0821a;
  --metal: linear-gradient(135deg, #0a2f73 0%, #2463cf 42%, #7aa8ef 52%, #1c55ba 66%, #0b347f 100%);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--graphite);
  font: 400 17px/1.6 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.wrap { width: min(1160px, 100% - 48px); margin: 0 auto; }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, .92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; gap: 32px; height: 72px; }
.brand img { width: 200px; }
.top nav { display: flex; gap: 28px; margin-left: auto; }
.top nav a { text-decoration: none; font-size: 15px; color: var(--steel); }
.top nav a:hover { color: var(--ink); }
.top-actions { display: flex; align-items: center; gap: 18px; }
.language { display: flex; border: 1px solid var(--line); border-radius: 999px; padding: 2px; }
.language button { border: 0; background: none; font: 600 12px/1 inherit; letter-spacing: .06em; color: var(--steel); padding: 7px 10px; border-radius: 999px; cursor: pointer; }
.language button[aria-pressed=true] { background: var(--ink); color: #fff; }

/* Buttons */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 50px; padding: 0 26px; border-radius: 10px; font-weight: 600; font-size: 16px; text-decoration: none; transition: background .15s, box-shadow .15s, transform .15s; }
.button.small { min-height: 40px; padding: 0 18px; font-size: 14px; }
.button.signal { background: var(--signal); color: var(--ink); box-shadow: 0 1px 0 rgba(0, 0, 0, .08), 0 8px 20px -10px rgba(224, 130, 26, .8); }
.button.signal:hover { background: var(--signal-deep); transform: translateY(-1px); }
.button.quiet { color: var(--ink); border: 1px solid #cfd4da; }
.button.quiet:hover { border-color: var(--ink); }
.button:focus-visible, .language button:focus-visible, .top nav a:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }

/* Hero */
.hero { padding: 96px 0 104px; background: radial-gradient(1200px 520px at 80% 20%, #eef3fb 0%, rgba(255, 255, 255, 0) 70%); }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.eyebrow { margin: 0 0 18px; font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
h1, h2, h3 { color: var(--ink); margin: 0; }
h1 { font-size: clamp(38px, 5.2vw, 62px); line-height: 1.06; letter-spacing: -.025em; font-weight: 700; }
.metal { background: var(--metal); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin: 26px 0 0; font-size: 19px; color: var(--steel); max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.pipeline { margin: 0; padding: 22px; border-radius: 18px; background: linear-gradient(180deg, #fbfcfd, #f2f4f7); border: 1px solid var(--line); box-shadow: 0 30px 60px -40px rgba(14, 17, 22, .45); }
.pipeline svg { width: 100%; height: auto; display: block; font-family: inherit; }
.pipeline .links path { fill: none; stroke: #9aa3ad; stroke-width: 2; stroke-dasharray: 5 6; }
.pipeline .node rect { fill: url(#steel); stroke: #c5cad1; }
.pipeline text { text-anchor: middle; font-size: 15px; font-weight: 600; fill: var(--graphite); }
.pipeline .core rect { fill: var(--ink); }
.pipeline .core text { fill: #fff; }
.pipeline .core .sub { font-size: 12px; font-weight: 500; fill: #9fb4d6; }
.pipeline .goal circle { fill: url(#metal); }
.pipeline .goal text { fill: #fff; font-size: 13px; }

/* Sections */
section { scroll-margin-top: 80px; }
.band { padding: 104px 0; background: var(--mist); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(30px, 3.4vw, 42px); line-height: 1.15; letter-spacing: -.02em; font-weight: 700; max-width: 22em; }
h3 { font-size: 20px; letter-spacing: -.01em; }
.steps { list-style: none; padding: 0; margin: 56px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.steps li { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 32px; }
.steps .index { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .1em; padding: 6px 10px; border-radius: 6px; background: var(--metal); color: #fff; margin-bottom: 20px; }
.steps p { margin: 12px 0 0; color: var(--steel); font-size: 16px; }
.fields { padding: 104px 0; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 56px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.grid article { background: var(--paper); padding: 32px; }
.grid article h3::before { content: ''; display: block; width: 28px; height: 3px; border-radius: 2px; background: var(--metal); margin-bottom: 18px; }
.grid p { margin: 10px 0 0; color: var(--steel); font-size: 16px; }
.results { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.facts { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px 40px; }
.facts strong { display: block; color: var(--ink); font-size: 18px; margin-bottom: 8px; }
.facts span { color: var(--steel); font-size: 16px; }
.closing { padding: 88px 0; background: var(--ink); color: #fff; }
.closing-row { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.closing h2 { color: #fff; font-size: clamp(26px, 3vw, 36px); }

/* Footer: product and company on the left, legal pages and contact on the right. */
.foot { padding: 28px 0; border-top: 1px solid var(--line); font-size: 14px; color: var(--steel); }
.foot-row { display: flex; align-items: center; justify-content: space-between; gap: 16px 32px; flex-wrap: wrap; }
.foot-copy { display: flex; align-items: center; gap: 14px; }
.foot img { width: 130px; }
.foot-links { display: flex; align-items: center; gap: 10px; }
.foot-links a { text-decoration: none; color: var(--graphite); }
.foot-links a:hover { color: var(--ink); text-decoration: underline; }

/* Legal pages */
.legal-page { max-width: 760px; padding: 64px 0 88px; }
.legal-page .eyebrow a { text-decoration: none; }
.legal-page h1 { font-size: clamp(32px, 4vw, 44px); letter-spacing: -.02em; margin-bottom: 28px; }
.legal-page h2 { font-size: 21px; margin: 40px 0 12px; max-width: none; }
.legal-page p, .legal-page li { color: var(--graphite); font-size: 16px; }
.legal-page a { color: var(--blue); }
.legal-page code { font-size: 14px; background: var(--mist); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; }

@media (max-width: 960px) {
  .top nav { display: none; }
  .top-actions { margin-left: auto; }
  .hero { padding: 64px 0 72px; }
  .hero-grid, .results { grid-template-columns: 1fr; gap: 40px; }
  .steps, .grid { grid-template-columns: 1fr 1fr; }
  .band, .fields { padding: 72px 0; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { width: min(1160px, 100% - 32px); }
  .top-row { height: 64px; gap: 12px; }
  .brand img { width: 150px; }
  .top-actions { gap: 10px; }
  .steps, .grid, .facts { grid-template-columns: 1fr; }
  .closing-row { flex-direction: column; align-items: flex-start; }
  .foot-row { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }