/* The Decisive Element — site styles v2 (brand v1.5: graphite + electric blue, Inter) */
/* Inter (SIL Open Font License, see fonts/OFL.txt), self-hosted variable font, weights 300-700 */
@font-face{font-family:"Inter";font-style:normal;font-weight:300 700;font-display:swap;src:url(fonts/inter-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter";font-style:normal;font-weight:300 700;font-display:swap;src:url(fonts/inter-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  --blue:#2D7DF6; --blue-deep:#1B5FD0; --blue-bright:#4F9BFF;
  --g900:#1B1E23; --g800:#23272E; --g700:#2B2F36; --g500:#5B626C; --g300:#9CA3AC; --g100:#E2E4E8;
  --mist:#F4F5F7; --surface:#F7F8FA; --white:#FFFFFF;
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{overflow-wrap:break-word;margin:0;font-family:'Inter',-apple-system,'Segoe UI',Arial,sans-serif;color:var(--g700);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue-deep);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--blue-deep);outline-offset:3px;border-radius:4px}
.site-header :focus-visible,.hero :focus-visible,.band-dark :focus-visible,.site-footer :focus-visible{outline-color:var(--blue-bright)}
.cta-band :focus-visible{outline-color:#fff}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-9999px;top:8px;background:#fff;color:var(--g900);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}

.btn{display:inline-block;font-weight:600;font-size:15px;padding:12px 22px;border-radius:9px;border:1px solid transparent;transition:background .15s,border-color .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--blue-deep);color:#fff}
.btn-primary:hover{background:#164FB0}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:#fff}
.eyebrow{font-size:13px;letter-spacing:3px;text-transform:uppercase;color:var(--blue-deep);font-weight:600}
.hero .eyebrow,.band-dark .eyebrow{color:var(--blue-bright)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(27,30,35,.94);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.07)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:600;font-size:16px;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand img{display:block}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:#c8cdd4;font-size:14px;font-weight:500}
.nav a:hover{color:#fff;text-decoration:none}
.nav .btn-primary{color:#fff}

/* hero */
.hero{background:radial-gradient(120% 130% at 25% 15%,#2C313A 0%,#15171B 70%);color:#fff;padding:92px 0 100px}
.hero .grid>*,.flow>*,.proofline>*{min-width:0}
.hero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:50px;line-height:1.08;margin:16px 0 0;font-weight:700;letter-spacing:-1px}
.hero h1 .b{color:var(--blue-bright)}
.hero p.sub{color:#c2c8d0;font-size:18px;margin:22px 0 32px;max-width:44ch}
.ctas{display:flex;gap:14px;flex-wrap:wrap}

/* hero diagram: your systems -> De -> answers */
.flow{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px}
.flow .col{display:flex;flex-direction:column;gap:10px}
.flow .lbl{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--g300);font-weight:600;margin-bottom:2px}
.src,.out{font-size:13.5px;font-weight:600;border-radius:10px;padding:10px 13px;line-height:1.3}
.src{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);color:#dfe3e8}
.out{background:rgba(45,125,246,.16);border:1px solid rgba(79,155,255,.45);color:#fff}
.out small{display:block;font-weight:500;color:#b9d3ff;font-size:12px;margin-top:2px}
.flow .mid{display:flex;flex-direction:column;align-items:center;gap:10px}
.arrow{width:26px;height:2px;background:linear-gradient(90deg,rgba(79,155,255,.2),var(--blue-bright));position:relative}
.arrow::after{content:"";position:absolute;right:-1px;top:-4px;border:5px solid transparent;border-left-color:var(--blue-bright);border-right:0}
.mid-row{display:flex;align-items:center;gap:8px}
.ro{font-size:11px;color:var(--g300);text-align:center;max-width:120px;line-height:1.35}

/* element tile */
.tile{width:112px;height:112px;border-radius:20px;position:relative;color:#fff;flex:0 0 auto;background:linear-gradient(180deg,#2C313A,#1B1E23);box-shadow:0 22px 56px rgba(0,0,0,.5),inset 0 0 0 1px rgba(255,255,255,.06)}
.tile .num{position:absolute;top:10px;left:13px;font-size:13px;font-weight:600;color:var(--blue-bright)}
.tile .sym{position:absolute;top:50%;left:50%;transform:translate(-50%,-60%);font-size:42px;font-weight:700;letter-spacing:-1px}
.tile .bar{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);width:30px;height:4px;border-radius:2px;background:var(--blue)}
.tile .nm{position:absolute;bottom:10px;left:0;right:0;text-align:center;font-size:10.5px;letter-spacing:.4px;opacity:.9}

/* sections */
section{padding:84px 0}
.section-head{max-width:700px}
.section-head h2{font-size:34px;line-height:1.15;margin:10px 0 0;font-weight:700;color:var(--g900);letter-spacing:-.5px}
.section-head p{color:var(--g500);font-size:17px;margin:14px 0 0}
.band-mist{background:var(--mist)}
.band-dark{background:var(--g900);color:#fff}
.band-dark .section-head h2{color:#fff}
.band-dark .section-head p{color:var(--g300)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.card{background:#fff;border:1px solid var(--g100);border-radius:16px;padding:28px}
.card .n{color:var(--blue-deep);font-weight:700;font-size:14px}
.card h3{margin:10px 0 8px;font-size:19px;line-height:1.3;color:var(--g900)}
.card p{margin:0;color:var(--g500);font-size:15px}
.card ul{margin:14px 0 0;padding:0;list-style:none}
.card li{position:relative;padding-left:22px;font-size:14.5px;color:var(--g700);margin-top:7px}
.card li::before{content:"";position:absolute;left:0;top:10px;width:12px;height:3px;border-radius:2px;background:var(--blue)}
.card.lead{border-color:var(--blue);box-shadow:0 18px 48px rgba(27,95,208,.10)}

/* gap list (problem) */
.gaps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.gap{border-top:3px solid var(--g900);padding-top:18px}
.gap h3{margin:0 0 6px;font-size:17px;color:var(--g900)}
.gap p{margin:0;color:var(--g500);font-size:15px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:46px;counter-reset:s}
.step{position:relative;padding:0 22px 0 0}
.step .dot{width:40px;height:40px;border-radius:50%;background:var(--blue-deep);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;position:relative;z-index:1}
.step::before{content:"";position:absolute;top:19px;left:40px;right:0;height:2px;background:var(--g100)}
.step:last-child::before{display:none}
.step h3{margin:18px 0 6px;font-size:17px;color:var(--g900);line-height:1.3}
.step p{margin:0;color:var(--g500);font-size:14.5px}

/* principles (dark band) */
.points{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:44px}
.point{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);border-radius:14px;padding:24px 26px}
.point h3{margin:0 0 6px;font-size:17px;color:#fff}
.point p{margin:0;color:#b4bac3;font-size:15px}
.quote{font-size:26px;line-height:1.3;font-weight:600;color:#fff;letter-spacing:-.3px;max-width:30ch;margin:0}
.quote .b{color:var(--blue-bright)}
.note{font-size:14px;color:var(--g500);background:var(--surface);border-left:3px solid var(--blue);padding:14px 18px;border-radius:0 10px 10px 0;margin-top:28px;max-width:780px}
.band-dark .note{background:rgba(255,255,255,.04);color:var(--g300)}

/* proof (unnamed) */
.proofline{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.proofline .tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{font-size:13px;font-weight:600;color:var(--g700);background:#fff;border:1px solid var(--g100);border-radius:8px;padding:7px 12px}

/* FAQ */
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 40px;margin-top:40px}
.qa{border-top:1px solid var(--g100);padding-top:18px}
.qa h3{margin:0 0 6px;font-size:17px;line-height:1.35;color:var(--g900)}
.qa p{margin:0;color:var(--g500);font-size:15px}

/* CTA */
.cta-band{background:linear-gradient(120deg,#164FB0,#1B5FD0);color:#fff;border-radius:22px;padding:56px;text-align:center}
.cta-band h2{font-size:32px;margin:0 0 10px;font-weight:700;letter-spacing:-.4px}
.cta-band p{margin:0 auto 24px;color:#e3eeff;font-size:17px;max-width:52ch}
.cta-band .btn{background:#fff;color:var(--blue-deep)}
.cta-band .btn:hover{background:#eef3ff}
.cta-band p.email-line{margin:0 auto 22px}
.cta-band .email{color:#fff;font-weight:600;font-size:18px;text-decoration:underline;text-underline-offset:3px}
.cta-band .email:hover{text-decoration-thickness:2px}

/* footer */
.site-footer{background:#14161A;color:#9aa1ab;padding:46px 0 40px;font-size:14px}
.site-footer .top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;align-items:center}
.site-footer .brand{font-size:15px}
.site-footer .tagline{color:#c8cdd4;font-size:14px;margin-top:6px}
.site-footer .fnav{display:flex;gap:22px;flex-wrap:wrap}
.site-footer .fnav a{color:#9aa1ab}
.site-footer .fnav a:hover{color:#fff}
.site-footer .legal{margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);color:#7d848d;font-size:12.5px}
.site-footer .legal p{margin:0 0 6px}

@media (max-width:960px){
  .hero .grid{grid-template-columns:1fr;gap:40px}
  .steps{grid-template-columns:1fr 1fr;row-gap:34px}
  .step:nth-child(2)::before{display:none}
}
@media (max-width:880px){
  .wrap{padding:0 16px}
  section{padding:64px 0}
  .hero{padding:64px 0 72px}
  .hero .grid,.proofline{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:36px}
  .section-head h2{font-size:28px}
  .cards,.gaps,.points,.faq{grid-template-columns:1fr}
  .nav{gap:14px}
  .nav a:not(.btn){display:none}
  .cta-band{padding:40px 22px}
  .quote{font-size:22px}
}
@media (max-width:520px){
  .flow{grid-template-columns:1fr;gap:14px}
  .arrow{transform:rotate(90deg)}
  .steps{grid-template-columns:1fr}
  .step::before{display:none}
  .brand span{display:none}
  .nav .btn{padding:10px 14px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* case studies teaser (homepage) */
.card p + p{margin-top:12px}
.teaser-more{margin:28px 0 0}

/* scoreboards (homepage) */
.boards{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
.board{background:var(--surface);border:1px solid var(--g100);border-top:3px solid var(--g900);border-radius:16px;padding:26px 28px}
.board.player{border-top-color:var(--blue)}
.board .n{color:var(--blue-deep);font-weight:700;font-size:14px}
.board h3{margin:10px 0 0;font-size:20px;line-height:1.35;color:var(--g900)}
@media (max-width:880px){.boards{grid-template-columns:1fr}}