/* ============================================================
   LOGOS - style.css
   Design: deep navy dark theme, IBM Plex Sans, electric blue accent
   ============================================================ */

/* ---- RESET & BASE ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:          #0a0f1e;
  --bg-mid:      #0d1428;
  --bg-card:     #111827;
  --bg-card-alt: #0f1a2e;
  --border:      rgba(255,255,255,0.07);
  --border-glow: rgba(66,153,225,0.3);
  --accent:      #4299e1;
  --accent-glow: rgba(66,153,225,0.15);
  --accent-dim:  #2b6cb0;
  --gold:        #d4a843;
  --text:        #e8edf5;
  --text-mid:    #9aacbe;
  --text-dim:    #5a6a7e;
  --font:        'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --mono:        'IBM Plex Mono', monospace;
  --radius:      6px;
  --radius-lg:   12px;
  --max-w:       1160px;
  --transition:  0.2s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }
body { font-family:var(--font); background:var(--bg); color:var(--text); line-height:1.6; -webkit-font-smoothing:antialiased; }
a { color:var(--accent); text-decoration:none; transition:color var(--transition),opacity var(--transition); }
a:hover { color:#63b3ed; }
ul { list-style:none; }

.container { max-width:var(--max-w); margin:0 auto; padding:0 32px; }
.section { padding:100px 0; }
.section-label { font-family:var(--mono); font-size:0.75rem; letter-spacing:0.15em; text-transform:uppercase; color:var(--accent); margin-bottom:16px; }
.section-title { font-size:clamp(1.75rem,3.5vw,2.5rem); font-weight:600; line-height:1.2; color:var(--text); margin-bottom:48px; letter-spacing:-0.02em; }

/* LOGO MARK */
.nav-brand { display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--text); transition:color var(--transition); }
.nav-brand:hover { color:var(--accent); }
.logo-mark { font-size:1.4rem; color:var(--accent); line-height:1; display:flex; align-items:center; justify-content:center; transition:color var(--transition); flex-shrink:0; }

/* AGENT NOTES */
.agent-note { font-family:var(--mono); font-size:0.72rem; color:rgba(66,153,225,0.7); border-left:2px solid rgba(66,153,225,0.35); padding:6px 0 6px 12px; margin:20px 0 0 0; font-style:italic; line-height:1.5; letter-spacing:0.02em; }

/* NAV */
.nav { position:fixed; top:0; left:0; right:0; z-index:100; background:rgba(10,15,30,0.9); backdrop-filter:blur(12px); border-bottom:1px solid var(--border); }
.nav-inner { max-width:var(--max-w); margin:0 auto; padding:0 32px; height:64px; display:flex; align-items:center; justify-content:space-between; }
.nav-logo { font-size:1.25rem; font-weight:700; letter-spacing:0.05em; color:var(--text); font-family:var(--mono); transition:color var(--transition); }
.nav-logo:hover { color:var(--accent); }
.nav-links { display:flex; align-items:center; gap:32px; }
.nav-links a { font-size:0.875rem; color:var(--text-mid); font-weight:400; transition:color var(--transition); }
.nav-links a:hover { color:var(--text); }
.nav-cta { background:var(--accent) !important; color:var(--bg) !important; padding:8px 18px; border-radius:var(--radius); font-weight:600; font-size:0.875rem !important; transition:background var(--transition),transform var(--transition) !important; }
.nav-cta:hover { background:#63b3ed !important; transform:translateY(-1px); }

/* HERO */
.hero { min-height:100vh; display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden; padding:120px 32px 80px; text-align:center; }
.pyramid-bg { position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:flex-end; gap:0; pointer-events:none; opacity:0.12; }
.pyramid-layer { border-left:solid transparent; border-right:solid transparent; border-bottom:solid; height:0; }
.pyramid-layer.l1 { border-left-width:280px; border-right-width:280px; border-bottom-width:44px; border-bottom-color:#4299e1; opacity:0.4; }
.pyramid-layer.l2 { border-left-width:240px; border-right-width:240px; border-bottom-width:40px; border-bottom-color:#4299e1; opacity:0.5; }
.pyramid-layer.l3 { border-left-width:200px; border-right-width:200px; border-bottom-width:40px; border-bottom-color:#4299e1; opacity:0.6; }
.pyramid-layer.l4 { border-left-width:162px; border-right-width:162px; border-bottom-width:38px; border-bottom-color:#4299e1; opacity:0.7; }
.pyramid-layer.l5 { border-left-width:126px; border-right-width:126px; border-bottom-width:36px; border-bottom-color:#63b3ed; opacity:0.75; }
.pyramid-layer.l6 { border-left-width:92px; border-right-width:92px; border-bottom-width:34px; border-bottom-color:#63b3ed; opacity:0.8; }
.pyramid-layer.l7 { border-left-width:64px; border-right-width:64px; border-bottom-width:30px; border-bottom-color:#90cdf4; opacity:0.85; }
.pyramid-layer.l8 { border-left-width:38px; border-right-width:38px; border-bottom-width:28px; border-bottom-color:#bee3f8; opacity:0.9; }
.pyramid-layer.l9 { border-left-width:16px; border-right-width:16px; border-bottom-width:24px; border-bottom-color:#fff; opacity:1; }
.hero::before { content:''; position:absolute; bottom:0; left:50%; transform:translateX(-50%); width:700px; height:400px; background:radial-gradient(ellipse at center bottom,rgba(66,153,225,0.12) 0%,transparent 70%); pointer-events:none; }
.hero::after { content:''; position:absolute; top:80px; left:0; right:0; bottom:0; background-image:radial-gradient(circle,rgba(66,153,225,0.08) 1px,transparent 1px); background-size:40px 40px; pointer-events:none; }
.hero-content { position:relative; z-index:2; max-width:780px; }
.hero-eyebrow { font-family:var(--mono); font-size:0.75rem; letter-spacing:0.2em; text-transform:uppercase; color:var(--accent); margin-bottom:24px; }
.hero-headline { font-size:clamp(2.25rem,5.5vw,4rem); font-weight:700; line-height:1.1; letter-spacing:-0.03em; color:#fff; margin-bottom:20px; }
.hero-icp { font-size:0.95rem; color:var(--text-dim); font-style:italic; margin-bottom:24px; font-weight:300; }
.hero-sub { font-size:clamp(1rem,1.5vw,1.2rem); color:var(--text-mid); max-width:560px; margin:0 auto 40px; font-weight:300; line-height:1.7; }
.hero-note { margin-top:16px; font-size:0.8rem; color:var(--text-dim); font-family:var(--mono); letter-spacing:0.05em; }

/* BUTTONS */
.btn-primary { display:inline-block; background:var(--accent); color:var(--bg); padding:14px 32px; border-radius:var(--radius); font-weight:600; font-size:1rem; letter-spacing:0.01em; transition:background var(--transition),transform var(--transition),box-shadow var(--transition); box-shadow:0 0 24px rgba(66,153,225,0.25); }
.btn-primary:hover { background:#63b3ed; color:var(--bg); transform:translateY(-2px); box-shadow:0 4px 32px rgba(66,153,225,0.4); }
.btn-large { font-size:1.1rem; padding:16px 40px; }

/* PROBLEM */
.problem { background:var(--bg-mid); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.problem .section-title { max-width:640px; }
.problem-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.problem-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:32px; transition:border-color var(--transition),transform var(--transition); }
.problem-card:hover { border-color:var(--border-glow); transform:translateY(-3px); }
.problem-icon { display:block; font-size:1.5rem; color:var(--accent-dim); margin-bottom:16px; opacity:0.6; }
.problem-card h3 { font-size:1.05rem; font-weight:600; margin-bottom:10px; color:var(--text); }
.problem-card p { font-size:0.9rem; color:var(--text-mid); line-height:1.65; }

/* SOLUTION */
.solution { background:var(--bg); }
.solution-inner { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
.solution-text .section-title { margin-bottom:24px; }
.solution-body { font-size:0.975rem; color:var(--text-mid); line-height:1.75; margin-bottom:16px; }
.pyramid-diagram { display:flex; flex-direction:column; gap:8px; align-items:stretch; width:100%; max-width:380px; margin:0 auto; }
.pd-row { display:flex; gap:8px; }
.pd-top { justify-content:center; }
.pd-block { flex:1; background:var(--bg-card-alt); border:1px solid var(--border); border-radius:var(--radius); padding:14px 12px; font-size:0.8rem; font-weight:500; color:var(--text-mid); text-align:center; display:flex; flex-direction:column; gap:4px; transition:border-color var(--transition),color var(--transition); }
.pd-block span { font-family:var(--mono); font-size:0.65rem; color:var(--text-dim); letter-spacing:0.05em; }
.pd-block.active { border-color:var(--accent); color:var(--accent); background:rgba(66,153,225,0.07); }
.pd-block.active span { color:var(--accent); opacity:0.6; }
.pd-top .pd-block { max-width:160px; flex:none; }
.pd-base { background:rgba(66,153,225,0.06); border:1px dashed rgba(66,153,225,0.2); border-radius:var(--radius); padding:14px; text-align:center; font-family:var(--mono); font-size:0.75rem; color:var(--text-dim); letter-spacing:0.08em; margin-top:4px; }

/* HOW IT WORKS */
.how { background:var(--bg-mid); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.how-steps { display:flex; flex-direction:column; gap:0; max-width:720px; position:relative; }
.how-steps::before { content:''; position:absolute; left:28px; top:0; bottom:0; width:1px; background:linear-gradient(to bottom,transparent,var(--border-glow) 20%,var(--border-glow) 80%,transparent); }
.how-step { display:flex; gap:32px; align-items:flex-start; padding:32px 0; border-bottom:1px solid var(--border); position:relative; }
.how-step:last-child { border-bottom:none; }
.step-num { flex-shrink:0; width:56px; height:56px; border-radius:50%; border:1px solid var(--border-glow); background:var(--bg-card-alt); display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:0.8rem; color:var(--accent); letter-spacing:0.05em; position:relative; z-index:1; }
.step-body h3 { font-size:1.1rem; font-weight:600; color:var(--text); margin-bottom:8px; padding-top:14px; }
.step-body p { font-size:0.9rem; color:var(--text-mid); line-height:1.7; }

/* TIERS */
.tiers { background:var(--bg); }
.tiers-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.tier:last-child:nth-child(3n+2) { grid-column:2/3; }
.tier { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:32px; display:flex; flex-direction:column; gap:16px; position:relative; transition:border-color var(--transition),transform var(--transition); }
.tier:hover { border-color:rgba(66,153,225,0.25); transform:translateY(-2px); }
.tier-featured { border-color:var(--accent); background:linear-gradient(160deg,rgba(66,153,225,0.08) 0%,var(--bg-card) 60%); box-shadow:0 0 40px rgba(66,153,225,0.08); }
.tier-badge { position:absolute; top:-12px; left:50%; transform:translateX(-50%); background:var(--accent); color:var(--bg); font-size:0.7rem; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; padding:4px 12px; border-radius:20px; white-space:nowrap; font-family:var(--mono); }
.tier-tag { font-family:var(--mono); font-size:0.7rem; letter-spacing:0.12em; color:var(--text-dim); text-transform:uppercase; }
.tier-name { font-size:1.2rem; font-weight:600; color:var(--text); margin:0; }
.tier-price { font-size:1.4rem; font-weight:700; color:var(--accent); letter-spacing:-0.02em; font-family:var(--mono); }
.tier-free .tier-price { color:var(--gold); }
.tier-desc { font-size:0.875rem; color:var(--text-mid); line-height:1.65; flex:1; }
.tier-features { border-top:1px solid var(--border); padding-top:16px; display:flex; flex-direction:column; gap:8px; }
.tier-features li { font-size:0.825rem; color:var(--text-mid); padding-left:16px; position:relative; }
.tier-features li::before { content:'-'; position:absolute; left:0; color:var(--accent); opacity:0.5; font-size:0.75rem; }
.btn-tier { display:block; text-align:center; padding:11px 20px; border-radius:var(--radius); border:1px solid var(--border-glow); color:var(--accent); font-size:0.875rem; font-weight:500; transition:all var(--transition); margin-top:auto; }
.btn-tier:hover { background:rgba(66,153,225,0.1); border-color:var(--accent); color:var(--text); }
.btn-tier-featured { background:var(--accent); border-color:var(--accent); color:var(--bg); font-weight:600; }
.btn-tier-featured:hover { background:#63b3ed; border-color:#63b3ed; color:var(--bg); }

/* ABOUT */
.about { background:var(--bg-mid); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.about-inner { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center; }
.about-body { font-size:0.975rem; color:var(--text-mid); line-height:1.8; margin-bottom:16px; }
.about-etymology { font-size:0.82rem; color:var(--text-dim); font-style:italic; margin-top:-4px; margin-bottom:32px; letter-spacing:0.01em; }
.about-visual { display:flex; align-items:center; justify-content:center; }
.node-graph { position:relative; width:300px; height:300px; }
.node-lines { position:absolute; inset:0; width:100%; height:100%; }
.node-lines line { stroke:rgba(66,153,225,0.2); stroke-width:1; stroke-dasharray:4 4; }
.node { position:absolute; background:var(--bg-card-alt); border:1px solid var(--border-glow); border-radius:50%; width:64px; height:64px; display:flex; align-items:center; justify-content:center; font-size:0.7rem; font-weight:500; color:var(--text-mid); text-align:center; transform:translate(-50%,-50%); }
.node-center { left:50%; top:50%; background:rgba(66,153,225,0.1); border-color:var(--accent); color:var(--accent); font-weight:600; font-size:0.8rem; }
.node-1 { left:50%; top:10%; }
.node-2 { left:87%; top:33%; }
.node-3 { left:80%; top:73%; }
.node-4 { left:20%; top:73%; }
.node-5 { left:13%; top:33%; }

/* FINAL CTA */
.cta-section { background:var(--bg); text-align:center; }
.cta-inner { max-width:680px; }
.cta-glyph { font-size:2.5rem; color:var(--accent); opacity:0.3; display:block; margin-bottom:24px; letter-spacing:-0.1em; }
.cta-headline { font-size:clamp(1.75rem,3.5vw,2.5rem); font-weight:700; letter-spacing:-0.02em; color:#fff; margin-bottom:16px; }
.cta-sub { font-size:1.05rem; color:var(--text-mid); margin-bottom:36px; font-weight:300; line-height:1.7; }
.cta-email { margin-top:20px; font-size:0.875rem; color:var(--text-dim); }
.cta-email a { color:var(--text-mid); border-bottom:1px solid var(--border); transition:color var(--transition),border-color var(--transition); }
.cta-email a:hover { color:var(--accent); border-color:var(--accent); }

/* FOOTER */
.footer { background:var(--bg-mid); border-top:1px solid var(--border); padding:40px 0; }
.footer-inner { display:flex; flex-direction:column; align-items:center; gap:12px; text-align:center; }
.footer-logo { font-family:var(--mono); font-size:1.1rem; font-weight:700; color:var(--text-dim); letter-spacing:0.08em; }
.footer-links { display:flex; gap:12px; align-items:center; font-size:0.875rem; }
.footer-links a { color:var(--text-dim); transition:color var(--transition); }
.footer-links a:hover { color:var(--accent); }
.footer-sep { color:var(--text-dim); }
.footer-copy { font-size:0.775rem; color:var(--text-dim); opacity:0.6; }

/* RESPONSIVE */
@media (max-width:960px) {
  .problem-grid { grid-template-columns:1fr; }
  .solution-inner,.about-inner { grid-template-columns:1fr; gap:48px; }
  .tiers-grid { grid-template-columns:1fr 1fr; }
  .tier:last-child:nth-child(3n+2) { grid-column:auto; }
  .solution-visual,.about-visual { order:-1; }
}
@media (max-width:640px) {
  .section { padding:72px 0; }
  .container { padding:0 20px; }
  .nav-links { gap:16px; }
  .nav-links a:not(.nav-cta) { display:none; }
  .tiers-grid { grid-template-columns:1fr; }
  .how-steps::before { display:none; }
  .hero-headline { font-size:2rem; }
  .pyramid-bg { opacity:0.07; }
}

/* FOCUS */
a:focus-visible,.btn-primary:focus-visible,.btn-tier:focus-visible,.nav-cta:focus-visible { outline:2px solid var(--accent); outline-offset:3px; border-radius:3px; }

.tier-free .btn-tier { font-weight:600; }
.about-proof { color:var(--text-mid); border-left:2px solid var(--accent); padding-left:16px; margin-top:8px; font-style:italic; }

/* ASSESSMENT CTA */
.assessment-cta { background:linear-gradient(160deg,rgba(66,153,225,0.05) 0%,var(--bg) 60%); border-top:1px solid var(--border-glow); border-bottom:1px solid var(--border-glow); position:relative; overflow:hidden; }
.assessment-cta::before { content:''; position:absolute; top:-100px; left:50%; transform:translateX(-50%); width:800px; height:400px; background:radial-gradient(ellipse at center,rgba(66,153,225,0.08) 0%,transparent 70%); pointer-events:none; }
.assessment-cta-inner { max-width:680px; text-align:center; position:relative; z-index:1; }
.ac-badge { display:inline-block; font-family:var(--mono); font-size:0.65rem; letter-spacing:0.15em; text-transform:uppercase; color:var(--bg); background:var(--accent); padding:4px 12px; border-radius:20px; margin-bottom:20px; }
.ac-title { margin-bottom:20px; }
.ac-sub { font-size:1rem; color:var(--text-mid); line-height:1.75; font-weight:300; margin-bottom:36px; max-width:580px; margin-left:auto; margin-right:auto; }
.ac-proof { display:flex; gap:0; justify-content:center; margin-bottom:40px; border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; max-width:440px; margin-left:auto; margin-right:auto; }
.ac-proof-item { flex:1; display:flex; flex-direction:column; align-items:center; padding:16px 8px; border-right:1px solid var(--border); background:var(--bg-card); }
.ac-proof-item:last-child { border-right:none; }
.ac-proof-num { font-family:var(--mono); font-size:1.4rem; font-weight:500; color:var(--accent); line-height:1; margin-bottom:4px; }
.ac-proof-label { font-size:0.7rem; color:var(--text-dim); letter-spacing:0.05em; }
.btn-assessment { display:inline-block; background:var(--accent); color:var(--bg); font-size:1.05rem; font-weight:700; padding:16px 40px; border-radius:var(--radius); box-shadow:0 0 32px rgba(66,153,225,0.3); letter-spacing:0.01em; transition:background var(--transition),transform var(--transition),box-shadow var(--transition); }
.btn-assessment:hover { background:var(--accent-hover,#63b3ed); color:var(--bg); transform:translateY(-2px); box-shadow:0 6px 40px rgba(66,153,225,0.45); }
.ac-note { margin-top:16px; font-size:0.775rem; color:var(--text-dim); font-family:var(--mono); letter-spacing:0.04em; }

/* BOOKING CTA */
.btn-cta-primary { display:inline-block; background:var(--accent); color:var(--bg); border:none; padding:13px 32px; border-radius:var(--radius); font-family:var(--font); font-size:1rem; font-weight:600; cursor:pointer; transition:background var(--transition),transform var(--transition),box-shadow var(--transition); box-shadow:0 0 24px rgba(66,153,225,0.25); text-decoration:none; }
.btn-cta-primary:hover { background:#63b3ed; color:var(--bg); transform:translateY(-1px); box-shadow:0 4px 32px rgba(66,153,225,0.4); }