/* SuccessLink AI — marketing site. Dark, AI-forward. Inter + emerald accent (ties to the product). */
:root {
  --bg: #080b12;
  --bg-2: #0b0f18;
  --panel: #0e131f;
  --panel-2: #121826;
  --line: #1c2436;
  --line-2: #273247;
  --text: #eef1f8;
  --muted: #97a2ba;
  --muted-2: #6b7690;
  --accent: #40d177;      /* Mission Control emerald */
  --accent-2: #2fae5f;
  --accent-soft: rgba(64, 209, 119, 0.12);
  --blue: #6ea8ff;
  --radius: 16px;
  --maxw: 1200px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--accent); opacity: 0.7; }
.muted { color: var(--muted); }

/* ---------- background texture ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 0%, rgba(0,0,0,0.5), transparent 70%);
  opacity: 0.5;
}
.bg-glow {
  position: fixed; z-index: -1; pointer-events: none;
  width: 900px; height: 900px; border-radius: 50%;
  background: radial-gradient(circle, rgba(64,209,119,0.14), transparent 60%);
  top: -360px; left: 50%; transform: translateX(-50%); filter: blur(20px);
}

/* ---------- nav ---------- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); background: rgba(8, 11, 18, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 90px; }
.brand { display: flex; align-items: center; gap: 11px; }
/* The supplied logo sits on pure black; `screen` blend drops the black onto the dark site so only
   the glowing mark + wordmark show — clean, no rectangle seam, no re-drawing needed. */
/* Tight-cropped logo (content fills the frame). Nav ~1.5x the CTA height; footer at base size. */
.brand .logo { height: 69px; width: auto; display: block; mix-blend-mode: screen; }
.brand .foot-logo { height: 58px; }   /* footer at base size (matches .brand .logo specificity, wins by order) */
.nav-links { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 500; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px;
  padding: 10px 18px; border-radius: 11px; border: 1px solid var(--line-2); color: var(--text);
  background: var(--panel-2); transition: all .18s ease; cursor: pointer;
}
.btn:hover { border-color: var(--accent); color: #fff; }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #06210f; border: none; box-shadow: 0 8px 24px rgba(64,209,119,0.28); }
.btn.primary:hover { filter: brightness(1.06); transform: translateY(-1px); }
.nav-cta { display: flex; gap: 12px; align-items: center; }
.hamb { display: none; }

/* ---------- hero ---------- */
.hero { padding: 96px 0 70px; position: relative; }
.hero .badge {
  display: inline-flex; align-items: center; gap: 9px; font-size: 12.5px; font-weight: 600;
  color: var(--muted); background: var(--panel); border: 1px solid var(--line);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 26px;
}
.hero .badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.hero h1 {
  font-size: clamp(40px, 6.4vw, 74px); line-height: 1.02; letter-spacing: -0.035em; margin: 0 0 22px;
  font-weight: 800; max-width: 16ch;
}
.hero h1 .grad { background: linear-gradient(120deg, var(--accent) 10%, var(--blue) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lede { font-size: clamp(17px, 2vw, 21px); color: var(--muted); max-width: 60ch; margin: 0 0 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { margin-top: 26px; font-size: 13px; color: var(--muted-2); display: flex; gap: 18px; flex-wrap: wrap; }
.hero-note span { display: inline-flex; align-items: center; gap: 7px; }
.hero-note span::before { content: "▹"; color: var(--accent); }

/* ---------- chevron motif (palantir-esque) ---------- */
.chevrons { display: flex; gap: 6px; margin: 40px 0 0; opacity: 0.55; overflow: hidden; }
.chevrons i { width: 22px; height: 22px; border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); flex: 0 0 auto; }

/* ---------- stat strip ---------- */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 30px 28px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: none; }
.stat .num { font-size: 34px; font-weight: 800; letter-spacing: -0.02em; }
.stat .num .u { color: var(--accent); }
.stat .lbl { font-size: 13px; color: var(--muted); margin-top: 3px; }

/* ---------- section ---------- */
section { padding: 92px 0; position: relative; }
.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.08; letter-spacing: -0.03em; margin: 16px 0 16px; font-weight: 800; }
.section-head p { font-size: 18px; color: var(--muted); margin: 0; }
.snum { font-size: 12px; font-weight: 700; letter-spacing: 0.14em; color: var(--muted-2); text-transform: uppercase; }

/* ---------- capability cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: linear-gradient(180deg, var(--panel), var(--bg-2)); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px; transition: all .2s ease; position: relative; overflow: hidden;
}
.card:hover { border-color: var(--line-2); transform: translateY(-3px); box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.card .ico {
  width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; margin-bottom: 16px;
  background: var(--accent-soft); border: 1px solid rgba(64,209,119,0.25); color: var(--accent); font-size: 20px;
}
.card h3 { font-size: 18px; margin: 0 0 8px; letter-spacing: -0.01em; font-weight: 700; }
.card p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ---------- split feature ---------- */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 54px; align-items: center; }
.split.rev { grid-template-columns: 0.95fr 1.05fr; }
.feature-list { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 16px; }
.feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.feature-list .fi { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 13px; margin-top: 2px; }
.feature-list b { font-weight: 650; }
.feature-list span { color: var(--muted); font-size: 14.5px; }

/* ---------- mission control mock ---------- */
.mc-frame {
  border: 1px solid var(--line-2); border-radius: 18px; overflow: hidden; background: var(--bg-2);
  box-shadow: 0 40px 100px rgba(0,0,0,0.5); position: relative;
}
.mc-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: var(--panel); }
.mc-bar .d { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.mc-bar .d.g { background: var(--accent); }
.mc-bar .u { margin-left: 12px; font-size: 12px; color: var(--muted-2); font-family: ui-monospace, monospace; }
.mc-body { padding: 20px; display: grid; gap: 14px; }
.mc-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mc-tile { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.mc-tile .t { font-size: 11px; color: var(--muted-2); text-transform: uppercase; letter-spacing: 0.08em; }
.mc-tile .v { font-size: 22px; font-weight: 800; margin-top: 4px; }
.mc-tile .v .u { color: var(--accent); }
.mc-pills { display: flex; flex-wrap: wrap; gap: 7px; }
.mc-pill { font-size: 11.5px; font-weight: 600; padding: 5px 10px; border-radius: 999px; border: 1px solid rgba(64,209,119,0.3); color: #cffbdf; background: rgba(64,209,119,0.08); }
.mc-feed { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.mc-feed .fh { font-size: 11px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 10px; font-weight: 700; }
.mc-feed .fl { font-size: 12.5px; color: var(--muted); padding: 7px 0; border-top: 1px solid var(--line); }
.mc-feed .fl b { color: var(--text); font-weight: 600; }

/* ---------- services ---------- */
.svc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.svc-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; background: var(--bg-2); position: relative; }
.svc-card .tag { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-2); }
.svc-card h3 { font-size: 20px; margin: 12px 0 10px; letter-spacing: -0.01em; }
.svc-card p { color: var(--muted); font-size: 14.5px; margin: 0 0 18px; }
.svc-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.svc-card li { font-size: 13.5px; color: var(--muted); display: flex; gap: 9px; }
.svc-card li::before { content: "—"; color: var(--accent); }
.svc-card.hl { border-color: rgba(64,209,119,0.4); background: linear-gradient(180deg, rgba(64,209,119,0.06), var(--bg-2)); }
.svc-card.hl .tag { color: var(--accent); }

/* ---------- era band ---------- */
.era { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.era-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.era-col { padding: 34px 30px; border-right: 1px solid var(--line); position: relative; }
.era-col:last-child { border-right: none; }
.era-col .yr { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; color: var(--muted-2); text-transform: uppercase; }
.era-col h4 { font-size: 19px; margin: 10px 0 8px; }
.era-col p { color: var(--muted); font-size: 14px; margin: 0; }
.era-col.now h4 { color: var(--accent); }
.era-col.now::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--accent); }

/* ---------- about ---------- */
.about { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 54px; align-items: start; }
.about-facts { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.about-facts .fr { display: flex; justify-content: space-between; padding: 16px 20px; border-top: 1px solid var(--line); font-size: 14px; }
.about-facts .fr:first-child { border-top: none; }
.about-facts .fr .k { color: var(--muted); }
.about-facts .fr .v { font-weight: 600; text-align: right; }

/* ---------- CTA ---------- */
.cta { text-align: center; padding: 100px 0; }
.cta .box {
  border: 1px solid rgba(64,209,119,0.3); border-radius: 24px; padding: 60px 40px;
  background: radial-gradient(circle at 50% 0%, rgba(64,209,119,0.1), var(--bg-2) 70%);
}
.cta h2 { font-size: clamp(30px, 4.5vw, 48px); letter-spacing: -0.03em; margin: 0 0 16px; font-weight: 800; }
.cta p { color: var(--muted); font-size: 18px; max-width: 54ch; margin: 0 auto 30px; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 54px 0 30px; }
.foot-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 40px; }
.foot-brand { max-width: 340px; }
.foot-brand p { color: var(--muted); font-size: 14px; margin: 14px 0 0; }
.foot-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.foot-col h5 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted-2); margin: 0 0 14px; }
.foot-col a { display: block; color: var(--muted); font-size: 14px; padding: 5px 0; }
.foot-col a:hover { color: var(--text); }
.foot-bottom { border-top: 1px solid var(--line); padding-top: 24px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--muted-2); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .cards, .svc, .era-grid, .stats-grid { grid-template-columns: 1fr 1fr; }
  .split, .split.rev, .about { grid-template-columns: 1fr; gap: 36px; }
  .stat:nth-child(2) { border-right: none; }
  .era-col { border-right: none; border-bottom: 1px solid var(--line); }
}
@media (max-width: 760px) { .nav-links { display: none; } }
@media (max-width: 620px) {
  .cards, .svc, .era-grid, .stats-grid { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
  .mc-row { grid-template-columns: 1fr 1fr; }
  .wrap { padding: 0 20px; }
  .hero { padding: 56px 0 48px; }
  .nav-inner { height: 68px; }
  .nav-secondary { display: none; }              /* keep one clear CTA on phones */
  .nav-primary { padding: 9px 14px; font-size: 13px; }
  .brand .logo { height: 50px; }                 /* proportional on phones */
  .hero .badge { font-size: 11.5px; }
}

/* ============================================================
   EXPLORE THE OS — capability slideshow (lightbox)
   Real Mission Control screens, sanitized (no accounts/secrets).
   Vanilla, dependency-free; matches the site design system.
   ============================================================ */
.os-modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;
  background:rgba(5,8,14,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:24px;}
.os-modal.open{display:flex;animation:osFade .28s ease;}
@keyframes osFade{from{opacity:0}to{opacity:1}}
.os-dialog{width:min(1120px,96vw);max-height:92vh;display:flex;flex-direction:column;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line-2);
  border-radius:20px;box-shadow:0 30px 90px rgba(0,0,0,.6);overflow:hidden;}
.os-head{display:flex;align-items:center;gap:14px;padding:16px 20px;border-bottom:1px solid var(--line);}
.os-head .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);flex:none;}
.os-head h3{margin:0;font-size:16px;font-weight:800;letter-spacing:-.01em;}
.os-head .os-sub{color:var(--muted);font-size:13px;}
.os-close{margin-left:auto;background:transparent;border:1px solid var(--line-2);color:var(--muted);
  width:34px;height:34px;border-radius:10px;cursor:pointer;font-size:16px;line-height:1;transition:.15s;}
.os-close:hover{color:var(--text);border-color:var(--accent);}
.os-stage{position:relative;background:#060a11;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;}
.os-slides{width:100%;overflow:hidden;}
.os-track{display:flex;transition:transform .45s cubic-bezier(.22,.61,.36,1);}
.os-slide{min-width:100%;position:relative;}
.os-slide img{width:100%;display:block;aspect-ratio:1600/920;object-fit:cover;object-position:top left;background:#0b1220;}
.os-cap{padding:13px 22px 15px;background:linear-gradient(180deg,#0a1120,#0c1422);
  border-top:1px solid var(--line);}
.os-cap .k{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:800;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin-bottom:6px;}
.os-cap h4{margin:0 0 3px;font-size:17px;font-weight:800;letter-spacing:-.02em;}
.os-cap p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.5;max-width:96ch;}
.os-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;
  background:rgba(14,19,31,.8);border:1px solid var(--line-2);color:var(--text);cursor:pointer;
  font-size:18px;display:flex;align-items:center;justify-content:center;transition:.15s;z-index:2;}
.os-nav:hover{border-color:var(--accent);background:var(--panel-2);}
.os-prev{left:14px;} .os-next{right:14px;}
.os-foot{display:flex;align-items:center;gap:16px;padding:14px 20px;border-top:1px solid var(--line);}
.os-dots{display:flex;gap:8px;}
.os-dot{width:8px;height:8px;border-radius:50%;background:var(--line-2);border:0;cursor:pointer;padding:0;transition:.2s;}
.os-dot.active{background:var(--accent);width:22px;border-radius:5px;}
.os-count{color:var(--muted-2);font-size:12px;font-variant-numeric:tabular-nums;}
.os-cta{margin-left:auto;}
@media (max-width:720px){
  .os-cap h4{font-size:16px;} .os-cap p{display:none;} .os-head .os-sub{display:none;}
}

/* ============================================================
   BOOK A BRIEFING — secured contact form
   ============================================================ */
.briefing{max-width:620px;margin:26px auto 0;text-align:left;}
.bf-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.bf-field{display:block;margin-bottom:14px;}
.bf-field>span{display:block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);margin-bottom:7px;}
.bf-field input,.bf-field textarea{width:100%;background:var(--bg-2);border:1px solid var(--line-2);
  border-radius:11px;color:var(--text);font-family:var(--font);font-size:15px;padding:12px 14px;transition:.15s;resize:vertical;}
.bf-field input:focus,.bf-field textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);}
.bf-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.bf-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:4px;}
.bf-status{min-height:1.2em;margin:14px 0 0;font-size:14px;font-weight:600;}
.bf-status.ok{color:var(--accent);}
.bf-status.err{color:#ff8a8a;}
.bf-fine{margin:10px 0 0;font-size:12.5px;color:var(--muted-2);}
@media (max-width:560px){ .bf-row{grid-template-columns:1fr;gap:0;} }

/* slideshow: keyboard affordance */
.os-keys{color:var(--muted-2);font-size:12px;letter-spacing:.02em;}
@media (max-width:720px){ .os-keys{display:none;} }