/* ========== Event Horizon AI — Shared stylesheet ========== */
:root{
  --primary:#1F3A5F;
  --primary-soft:#274d7a;
  --primary-deep:#0f1f33;
  --accent:#0F8C8C;
  --accent-soft:#13a3a3;
  --accent-deep:#0a6a6a;
  --text:#1A1A1A;
  --muted:#5A5A5A;
  --hairline:#E6E8EB;
  --bg:#FFFFFF;
  --surface:#F8F9FB;
  --surface-2:#EEF2F6;
  --tint-blue:#E6EEF7;
  --tint-green:#E8F5E9;
  --tint-amber:#FFF8E1;
  --tint-red:#FDECEA;
  --tint-purple:#F3E8F8;
  --max:1180px;
  --pad-x:clamp(20px, 4vw, 48px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}

/* ====== NAV ====== */
.nav{position:fixed;top:18px;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:1080px;z-index:50;
  background:rgba(255,255,255,0.85);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border:1px solid var(--hairline);border-radius:999px;padding:10px 14px 10px 22px;
  display:flex;align-items:center;justify-content:space-between;
  box-shadow:0 1px 2px rgba(15,30,60,0.04), 0 8px 28px rgba(15,30,60,0.06)}
.nav-brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:0.5px;color:var(--primary);font-size:15px}
.nav-brand .mark{width:22px;height:22px}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{color:var(--muted);font-size:14px;font-weight:500;padding:8px 12px;border-radius:999px;transition:all .15s}
.nav-links a:hover{color:var(--primary);background:var(--surface)}
.nav-links a.active{color:var(--primary)}
.nav-cta{background:var(--primary);color:#fff !important;padding:9px 18px !important;border-radius:999px;font-weight:600 !important}
.nav-cta:hover{background:var(--primary-soft) !important}
@media (max-width:768px){.nav-links a:not(.nav-cta){display:none}.nav{padding:8px 8px 8px 18px}}

/* ====== LAYOUT ====== */
section{padding:clamp(64px,10vw,140px) var(--pad-x);max-width:var(--max);margin:0 auto}
section.first-section{padding-top:clamp(140px,18vw,200px)}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
h1,h2,h3,h4{color:var(--primary);font-weight:700;letter-spacing:-0.02em}
h1{font-size:clamp(40px, 6vw, 72px);line-height:1.05;letter-spacing:-0.03em}
h2{font-size:clamp(32px, 4.5vw, 48px);line-height:1.1}
h3{font-size:22px;line-height:1.3}
h4{font-size:16px;line-height:1.3;font-weight:600}
.accent-italic{font-family:'Spectral',Georgia,serif;font-style:italic;font-weight:500;color:var(--accent)}
p{color:var(--text);font-size:17px}
.muted{color:var(--muted)}
.lead{font-size:20px;color:var(--muted);max-width:640px}
.lead-narrow{max-width:540px}

.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;transition:all .15s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-soft);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--hairline)}
.btn-ghost:hover{background:var(--surface)}
.btn-arrow::after{content:"→";font-size:18px;line-height:1}

/* ====== HERO ====== */
.hero{padding-top:clamp(140px,18vw,200px);padding-bottom:clamp(60px,8vw,100px);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr;gap:60px;align-items:center}
@media (min-width:980px){.hero-grid{grid-template-columns:1.2fr 1fr;gap:80px}}
.hero-sub{margin-top:28px;font-size:clamp(17px,2vw,21px);color:var(--muted);max-width:560px;line-height:1.55}
.hero-actions{margin-top:36px;display:flex;gap:12px;flex-wrap:wrap}
.hero-art{position:relative;width:100%;aspect-ratio:1/1;max-width:480px;margin:0 auto}
.hero-art svg{width:100%;height:100%}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--surface-2) 1px,transparent 1px),linear-gradient(90deg,var(--surface-2) 1px,transparent 1px);background-size:80px 80px;opacity:0.35;pointer-events:none;mask-image:radial-gradient(ellipse at top right, #000 0%, transparent 70%);-webkit-mask-image:radial-gradient(ellipse at top right, #000 0%, transparent 70%)}

/* simpler hero on subpages */
.hero-narrow{padding-bottom:clamp(40px,6vw,80px)}
.hero-narrow .hero-grid{grid-template-columns:1fr;text-align:left}
.hero-narrow h1{max-width:900px}
.hero-narrow .hero-sub{max-width:720px}

/* ====== TRUST STRIP ====== */
.trust{padding-top:0;padding-bottom:clamp(40px,6vw,80px)}
.trust-card{background:var(--surface);border:1px solid var(--hairline);border-radius:24px;padding:clamp(28px,4vw,48px)}
.trust-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:left}
@media (max-width:680px){.trust-stats{grid-template-columns:1fr;gap:32px}}
.stat{padding-right:24px;border-right:1px solid var(--hairline)}
.stat:last-child{border-right:none}
@media (max-width:680px){.stat{border-right:none;border-bottom:1px solid var(--hairline);padding:0 0 24px 0}.stat:last-child{border-bottom:none;padding-bottom:0}}
.stat-num{font-size:clamp(38px,5vw,56px);font-weight:800;color:var(--primary);letter-spacing:-0.04em;line-height:1}
.stat-num .accent-italic{font-weight:600;color:var(--accent)}
.stat-label{margin-top:10px;font-size:14px;color:var(--muted)}
.trust-logos{margin-top:36px;padding-top:32px;border-top:1px solid var(--hairline);display:flex;align-items:center;justify-content:center;gap:36px;flex-wrap:wrap;opacity:0.7}
.trust-logos span{font-size:13px;color:var(--muted);font-weight:500}

/* ====== PRACTICES & CARDS ====== */
.section-head{display:flex;flex-direction:column;gap:8px;margin-bottom:48px;max-width:760px}
.practices-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:880px){.practices-grid{grid-template-columns:repeat(2,1fr);gap:28px}}
.practice{background:#fff;border:1px solid var(--hairline);border-radius:24px;padding:36px;transition:all .25s;display:flex;flex-direction:column;gap:18px;min-height:340px}
.practice:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 14px 40px rgba(15,30,60,0.07)}
.practice-icon{width:48px;height:48px;border-radius:12px;background:var(--tint-blue);display:flex;align-items:center;justify-content:center;color:var(--primary)}
.practice h3{font-size:24px}
.practice p{font-size:16px;color:var(--muted);line-height:1.55;flex:1}
.practice-link{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px;margin-top:8px}
.practice-link::after{content:"→";transition:transform .15s}
.practice:hover .practice-link::after{transform:translateX(4px)}
.practice-tag{display:inline-block;font-size:11px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:var(--surface)}
.practice-tag.active{background:var(--tint-green);color:#1B5E20}
.practice-tag.new{background:var(--tint-amber);color:#8B5A00}

/* generic card grid */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(260px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--hairline);border-radius:18px;padding:28px;transition:all .25s}
.card:hover{border-color:var(--accent)}
.card h4{margin-bottom:8px;font-size:18px}
.card p{font-size:15px;color:var(--muted);line-height:1.5}
.card .pill{display:inline-block;font-size:11px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:var(--surface);margin-bottom:12px;color:var(--primary)}
.card.compact{padding:22px}
.card.compact h4{font-size:16px}

/* ====== DEEP DIVE / FEATURED SECTIONS ====== */
.deep{background:var(--surface);border-radius:32px;padding:clamp(40px,6vw,80px) clamp(24px,4vw,48px);margin-bottom:60px}
.deep-grid{display:grid;grid-template-columns:1fr;gap:48px;align-items:start}
@media (min-width:920px){.deep-grid{grid-template-columns:1fr 1fr;gap:80px}}
.deep h2 .accent-italic{font-size:1em}

/* ====== TABLES ====== */
.wedge-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--hairline);border-radius:16px;overflow:hidden;font-size:14px}
.wedge-table th,.wedge-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--hairline)}
.wedge-table th{background:var(--primary);color:#fff;font-weight:600;font-size:12px;letter-spacing:0.5px;text-transform:uppercase}
.wedge-table tr:last-child td{border-bottom:none}
.wedge-table td:nth-child(2){font-weight:600;color:var(--primary);text-align:center;width:90px}

/* ====== CALLOUTS ====== */
.callout{border-radius:16px;padding:24px 28px;margin:24px 0}
.callout strong{font-size:13px;letter-spacing:0.5px;text-transform:uppercase;display:block;margin-bottom:8px}
.callout p{font-size:15px}
.callout-blue{background:var(--tint-blue);border-left:3px solid var(--primary)}
.callout-blue strong{color:var(--primary)}
.callout-green{background:var(--tint-green);border-left:3px solid #2E7D32}
.callout-green strong{color:#1B5E20}
.callout-amber{background:var(--tint-amber);border-left:3px solid #F57C00}
.callout-amber strong{color:#8B5A00}
.callout-red{background:var(--tint-red);border-left:3px solid #B71C1C}
.callout-red strong{color:#B71C1C}

.red-callout{background:var(--tint-red);border-left:3px solid #B71C1C;padding:18px 20px;border-radius:8px;margin-top:24px}
.red-callout strong{color:#B71C1C;font-size:13px;letter-spacing:0.5px;text-transform:uppercase;display:block;margin-bottom:6px}
.red-callout p{font-size:14px;color:#5A1010}

/* ====== TIMELINE / PHASES ====== */
.phases{display:grid;grid-template-columns:1fr;gap:18px;margin-top:36px}
@media (min-width:880px){.phases{grid-template-columns:repeat(3,1fr);gap:24px}}
.phase{background:#fff;border:1px solid var(--hairline);border-radius:18px;padding:28px;position:relative}
.phase-num{font-size:13px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.phase h4{font-size:20px;margin-bottom:10px}
.phase p{font-size:14px;color:var(--muted);line-height:1.55}
.phase-meta{margin-top:16px;padding-top:16px;border-top:1px solid var(--hairline);font-size:12px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ====== CASE STUDIES ====== */
.case{background:#fff;border:1px solid var(--hairline);border-radius:24px;padding:clamp(32px,5vw,56px);margin-bottom:24px;display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:920px){.case{grid-template-columns:1fr 1.2fr;gap:48px}}
.case-meta{display:flex;flex-direction:column;gap:14px}
.case-emoji{font-size:36px}
.case-title{font-size:24px;color:var(--primary);font-weight:700;margin-top:4px}
.case-industry{font-size:13px;letter-spacing:1.2px;text-transform:uppercase;color:var(--accent);font-weight:600}
.case-stats{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.case-stat{font-size:13px;color:var(--muted);padding:10px 14px;background:var(--surface);border-radius:10px}
.case-stat strong{display:block;color:var(--primary);font-size:18px;font-weight:700;margin-bottom:2px}
.case-content h5{font-size:11px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-bottom:8px;margin-top:18px}
.case-content h5:first-child{margin-top:0}
.case-content p{font-size:15px;line-height:1.6;color:var(--text)}
.case-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.case-tag{font-size:11px;padding:5px 10px;border-radius:999px;background:var(--tint-blue);color:var(--primary);font-weight:500}

/* ====== DIAGRAM CONTAINER ====== */
.diagram{background:#fff;border:1px solid var(--hairline);border-radius:20px;padding:32px;overflow-x:auto}
.diagram svg{width:100%;height:auto;max-width:100%}
.diagram-caption{font-size:13px;color:var(--muted);text-align:center;margin-top:16px;font-style:italic}

/* ====== LIST WITH ICONS ====== */
.checklist{list-style:none;display:flex;flex-direction:column;gap:14px;margin-top:24px}
.checklist li{display:flex;gap:14px;align-items:flex-start;font-size:16px;color:var(--text)}
.checklist li::before{content:"✓";flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--tint-green);color:#1B5E20;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:13px;margin-top:2px}
.crosslist{list-style:none;display:flex;flex-direction:column;gap:14px;margin-top:24px}
.crosslist li{display:flex;gap:14px;align-items:flex-start;font-size:16px;color:var(--text)}
.crosslist li::before{content:"✗";flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--tint-red);color:#B71C1C;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:13px;margin-top:2px}

/* ====== CTA ====== */
.cta-section{padding:clamp(60px,8vw,100px) var(--pad-x);max-width:var(--max);margin:0 auto}
.cta-card{background:linear-gradient(180deg,#F0F8F8 0%, #E2F0F0 100%);border-radius:32px;padding:clamp(48px,8vw,96px) clamp(32px,5vw,64px);text-align:center;position:relative;overflow:hidden}
.cta-card::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle, rgba(15,140,140,0.12) 0%, transparent 60%);pointer-events:none}
.cta-card h2{position:relative}
.cta-card .lead{margin:24px auto 36px auto;text-align:center;color:var(--text);position:relative;max-width:640px}
.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;position:relative}

/* ====== FOOTER ====== */
footer{border-top:1px solid var(--hairline);padding:64px var(--pad-x) 32px var(--pad-x);max-width:var(--max);margin:0 auto;color:var(--muted);font-size:14px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
@media (max-width:760px){.footer-top{grid-template-columns:1fr 1fr;gap:32px}}
.footer-brand{display:flex;flex-direction:column;gap:12px}
.footer-brand .mark{width:32px;height:32px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:300px}
.footer-col h4{font-size:13px;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:1px;margin-bottom:14px}
.footer-col a{display:block;margin-bottom:10px;color:var(--muted);font-size:14px;transition:color .15s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{padding-top:24px;border-top:1px solid var(--hairline);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--muted)}
.footer-bottom-links{display:flex;gap:18px}
.footer-bottom-links a:hover{color:var(--accent)}

/* ====== UTILITIES ====== */
.hidden{display:none}
.text-center{text-align:center}
.mt-32{margin-top:32px}
.mt-48{margin-top:48px}