:root {
  --bg: #0f1117; --panel: #161923; --line: #262b3a; --text: #e8eaf2;
  --dim: #8a90a5; --violet: #7c5cff; --violet-soft: rgba(124,92,255,0.14);
  --gold: #7c5cff; --white: #ffffff; --white-soft: rgba(232,234,242,0.82);
  --light: #161923; --dark: #12141d; --black: #0a0c12;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'IBM Plex Sans', 'Segoe UI', sans-serif; color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px; }
h1, h2, h3, h4 { font-family: 'Space Grotesk', 'Segoe UI', sans-serif; font-weight: 600; line-height: 1.15; letter-spacing: -0.5px; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

.site-header { background: rgba(15,17,23,0.9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 100; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; padding-bottom: 16px; }
.logo-mark { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 20px; text-decoration: none; color: var(--text); letter-spacing: -0.5px; }
.logo-mark .tag { color: var(--violet); }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { text-decoration: none; font-size: 14px; color: var(--dim); }
.site-nav a:hover, .site-nav a.active { color: var(--text); }
.site-nav a.nav-cta { color: var(--violet); border: 1px solid var(--violet); padding: 8px 18px; border-radius: 6px; }
.site-nav a.nav-cta:hover { background: var(--violet); color: #fff; }

/* shared vocabulary */
.hero { background: var(--black); color: var(--text); text-align: center; padding: 100px 24px; border-bottom: 1px solid var(--line); }
.hero.hero-inner { padding: 64px 24px; }
.hero h1 { font-size: clamp(34px, 5vw, 58px); margin-bottom: 18px; }
.hero p { color: var(--white-soft); max-width: 640px; margin: 0 auto; }
.kicker { font-family: 'Space Grotesk', sans-serif; font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: var(--violet); margin-bottom: 14px; font-weight: 600; }
.btn { display: inline-block; background: var(--violet); color: #fff; text-decoration: none; padding: 13px 30px; border-radius: 6px; font-weight: 600; font-size: 15px; border: 0; cursor: pointer; font-family: 'Space Grotesk', sans-serif; }
.btn:hover { background: #6a4be8; }
.section { padding: 84px 0; }
.section-light { background: var(--panel); }
.section-dark { background: var(--dark); }
.section-black { background: var(--black); }
.section p { color: var(--white-soft); }
.section-intro { max-width: 700px; margin: 0 auto; text-align: center; }
.section h2 { font-size: clamp(28px, 3.8vw, 42px); margin-bottom: 16px; }
.cta-band { text-align: center; }
.cta-band p { max-width: 600px; margin: 0 auto 28px; }

/* homepage-specific */
.b2b-hero { background: url('/assets/images/network.jpg') right center/cover no-repeat, var(--bg); border-bottom: 1px solid var(--line); }
.b2b-hero .container { min-height: 66vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding-top: 80px; padding-bottom: 80px; }
.b2b-hero h1 { font-size: clamp(38px, 5.4vw, 64px); max-width: 620px; margin-bottom: 20px; }
.b2b-hero h1 .accent { color: var(--violet); }
.b2b-hero p { color: var(--white-soft); font-size: 18px; max-width: 460px; margin-bottom: 32px; }
.grid-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 48px; }
.g-card { background: var(--bg); padding: 40px 34px; }
.g-card:hover { background: var(--panel); }
.g-card .idx { font-family: 'Space Grotesk', monospace; font-size: 13px; color: var(--violet); letter-spacing: 2px; }
.g-card h3 { font-size: 21px; margin: 12px 0 10px; }
.g-card p { color: var(--dim); font-size: 15px; }
.how-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 48px; }
.how-cell { border: 1px solid var(--line); border-radius: 10px; padding: 34px 28px; background: var(--panel); }
.how-cell .idx { display: inline-flex; height: 34px; width: 34px; align-items: center; justify-content: center; border-radius: 8px; background: var(--violet-soft); color: var(--violet); font-family: 'Space Grotesk', sans-serif; font-weight: 700; }
.how-cell h3 { font-size: 19px; margin: 16px 0 8px; }
.how-cell p { color: var(--dim); font-size: 15px; }
.signals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 48px; }
.signal { border-left: 3px solid var(--violet); padding-left: 22px; }
.signal h3 { font-size: 18px; margin-bottom: 8px; }
.signal p { color: var(--dim); font-size: 15px; }
.trophy-strip .container { display: grid; grid-template-columns: 1fr 320px; gap: 60px; align-items: center; }
.trophy-strip img { border-radius: 12px; border: 1px solid var(--line); }

.article { max-width: 760px; margin: 0 auto; padding: 60px 24px 90px; }
.article h1 { font-size: 34px; margin-bottom: 26px; }
.article h2 { font-size: 21px; margin: 30px 0 10px; }
.article p { margin-bottom: 13px; color: var(--white-soft); }
.article a { color: var(--violet); }

.contact-box { max-width: 620px; margin: 44px auto 0; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 38px; }
.contact-box label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.contact-box input, .contact-box textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); font-family: inherit; font-size: 15px; margin-bottom: 18px; }
.contact-box input:focus, .contact-box textarea:focus { outline: 2px solid var(--violet); }

.site-footer { background: var(--black); border-top: 1px solid var(--line); color: var(--dim); padding: 56px 0 0; font-size: 14px; }
.site-footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 46px; padding-bottom: 44px; }
.site-footer h5 { font-family: 'Space Grotesk', sans-serif; color: var(--text); font-size: 14px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 14px; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 9px; }
.site-footer a { color: var(--dim); text-decoration: none; }
.site-footer a:hover { color: var(--violet); }
.footer-bottom { border-top: 1px solid var(--line); padding: 20px 0; font-size: 12.5px; }

@media (max-width: 860px) {
  .grid-cards, .how-row, .signals { grid-template-columns: 1fr; }
  .trophy-strip .container, .site-footer .cols { grid-template-columns: 1fr; }
  .b2b-hero { background-image: linear-gradient(rgba(15,17,23,0.85), rgba(15,17,23,0.85)), url('/assets/images/network.jpg'); }
  .site-nav { gap: 14px; flex-wrap: wrap; }
}