/* ════════════════════════════════════════════
   PULSE — cinematic scroll-driven showcase
   Cero Seis Tech Consulting
   ════════════════════════════════════════════ */

:root{
  --bg:#06080f;
  --bg-2:#0b0e1a;
  --panel:#0e1322;
  --panel-2:#131a2e;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --txt:#eef1f8;
  --txt-soft:#9aa4bd;
  --txt-mut:#5e6884;
  --cyan:#22d3ee;
  --indigo:#6366f1;
  --violet:#a855f7;
  --maxw:1200px;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;line-height:1.06;letter-spacing:-.02em;font-weight:600}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono);letter-spacing:.02em}
a{color:inherit;text-decoration:none}
section{position:relative}
.grad{background:linear-gradient(100deg,var(--cyan),var(--indigo) 45%,var(--violet));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* scroll progress + cursor glow */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:100;background:linear-gradient(90deg,var(--cyan),var(--indigo),var(--violet));box-shadow:0 0 12px rgba(99,102,241,.7)}
.cursor-glow{position:fixed;width:480px;height:480px;border-radius:50%;pointer-events:none;z-index:1;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(99,102,241,.10),transparent 60%);transition:opacity .3s;opacity:0}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:var(--mono);font-size:.8rem;font-weight:600;letter-spacing:.02em;padding:.8em 1.4em;border-radius:9px;cursor:pointer;border:1px solid transparent;transition:transform .18s,box-shadow .25s,background .25s,border-color .25s;text-transform:uppercase}
.btn-lg{font-size:.86rem;padding:.95em 1.7em}
.btn-glow{background:linear-gradient(100deg,var(--cyan),var(--indigo) 60%,var(--violet));color:#fff;box-shadow:0 6px 26px rgba(99,102,241,.35)}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 10px 36px rgba(99,102,241,.55)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--txt);border-color:var(--line-2)}
.btn-ghost:hover{background:rgba(255,255,255,.09);transform:translateY(-2px)}

/* ── nav ── */
.nav{position:sticky;top:0;z-index:60;background:rgba(6,8,15,.6);backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.scrolled{border-color:var(--line);background:rgba(6,8,15,.85)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--cyan),var(--indigo) 55%,var(--violet));display:grid;place-items:center;flex-shrink:0;box-shadow:0 4px 18px rgba(99,102,241,.4)}
.brand-sun{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text strong{font-family:'Space Grotesk',sans-serif;font-size:.95rem;font-weight:700;letter-spacing:.08em}
.brand-text em{font-family:var(--mono);font-style:normal;font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--txt-mut);margin-top:2px}
.nav-links{display:flex;gap:30px;list-style:none}
.nav-links a{font-family:var(--mono);font-size:.78rem;font-weight:500;color:var(--txt-soft);transition:color .2s;position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:width .25s}
.nav-links a:hover{color:var(--txt)}
.nav-links a:hover::after{width:100%}
.nav-end{display:flex;align-items:center;gap:14px}
.lang-btn{display:flex;align-items:center;gap:5px;background:rgba(255,255,255,.04);border:1px solid var(--line-2);border-radius:8px;padding:5px 10px;font-family:var(--mono);font-size:.72rem;font-weight:600;cursor:pointer;color:var(--txt-soft);transition:border-color .2s}
.lang-btn:hover{border-color:var(--cyan)}
.lang-opt.active{color:var(--cyan)}
.lang-sep{color:var(--txt-mut)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.burger span{width:22px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}

/* ── hero ── */
.hero{position:relative;min-height:94vh;display:flex;flex-direction:column;justify-content:center;padding:60px 0 40px;overflow:hidden}
.hero-canvas{position:absolute;inset:0;z-index:0;width:100%;height:100%}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);z-index:0;opacity:.55}
.hero-glow.g1{width:560px;height:560px;background:radial-gradient(circle,rgba(34,211,238,.4),transparent 65%);top:-160px;right:-120px}
.hero-glow.g2{width:520px;height:520px;background:radial-gradient(circle,rgba(168,85,247,.34),transparent 65%);bottom:-180px;left:-120px}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center;width:100%;max-width:var(--maxw);margin:0 auto;padding-left:28px;padding-right:28px}
.badge{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:.74rem;color:var(--txt-soft);background:rgba(255,255,255,.04);border:1px solid var(--line-2);border-radius:100px;padding:6px 14px;margin-bottom:26px}
.badge-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(34,211,238,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,211,238,.55)}70%{box-shadow:0 0 0 10px rgba(34,211,238,0)}100%{box-shadow:0 0 0 0 rgba(34,211,238,0)}}
.hero-copy h1{font-size:clamp(2.5rem,5.8vw,4.6rem);font-weight:700;margin-bottom:24px}
.hero-sub{font-size:1.12rem;color:var(--txt-soft);max-width:46ch;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* terminal */
.terminal{background:rgba(10,13,24,.82);border:1px solid var(--line-2);border-radius:14px;overflow:hidden;backdrop-filter:blur(10px);box-shadow:0 30px 70px rgba(0,0,0,.5)}
.term-head{display:flex;align-items:center;gap:8px;padding:12px 15px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.td{width:11px;height:11px;border-radius:50%}
.td.r{background:#ff5f57}.td.y{background:#febc2e}.td.g{background:#28c840}
.term-title{font-size:.68rem;color:var(--txt-mut);margin-left:6px}
.term-body{padding:18px;font-size:.78rem;line-height:1.85;color:#c8d2e8;min-height:220px;white-space:pre-wrap}
.term-body .c-key{color:var(--cyan)}.term-body .c-ok{color:#46e58b}.term-body .c-mut{color:var(--txt-mut)}.term-body .c-vi{color:var(--violet)}
.term-cursor{display:inline-block;width:8px;height:1.05em;background:var(--cyan);vertical-align:-2px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

.hero-scrollcue{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.64rem;letter-spacing:.3em;text-transform:uppercase;color:var(--txt-mut)}
.cue-line{width:1px;height:40px;background:linear-gradient(var(--cyan),transparent);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%,100%{transform:scaleY(.4);opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* ── marquee ── */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2);overflow:hidden;padding:16px 0}
.marquee-track{display:flex;gap:30px;width:max-content;animation:scrollx 32s linear infinite}
.marquee-track span{font-family:var(--mono);font-size:.95rem;color:var(--txt-mut);font-weight:500}
@keyframes scrollx{to{transform:translateX(-50%)}}

/* ── stats ── */
.stats{padding:70px 0;background:var(--bg-2);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;padding:18px}
.stat-num{display:block;font-family:'Space Grotesk',sans-serif;font-size:clamp(2.4rem,5vw,3.4rem);font-weight:700;background:linear-gradient(160deg,#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{display:block;font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:var(--txt-soft);margin-top:8px}

/* ── section heads ── */
.sec-head{max-width:760px;margin-bottom:54px}
.sec-label{display:block;font-size:.78rem;color:var(--cyan);margin-bottom:16px}
.sec-head h2{font-size:clamp(2rem,4.3vw,3.2rem)}
.sec-intro{color:var(--txt-soft);margin-top:18px;font-size:1.05rem}

/* ── pipeline ── */
.pipeline{padding:100px 0;border-bottom:1px solid var(--line)}
.flow{position:relative;margin-top:10px}
.flow-svg{width:100%;height:220px;display:block}
#flowPath{stroke-dasharray:1;stroke-dashoffset:1;filter:drop-shadow(0 0 8px rgba(99,102,241,.5))}
.flow-nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-30px}
.fnode{background:var(--panel);border:1px solid var(--line-2);border-radius:14px;padding:24px 20px;text-align:center;transition:transform .3s,border-color .3s,box-shadow .3s}
.fnode:hover{transform:translateY(-6px);border-color:var(--indigo);box-shadow:0 18px 40px rgba(99,102,241,.22)}
.fnode-ico{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:12px;font-size:1.4rem;background:linear-gradient(135deg,rgba(34,211,238,.16),rgba(168,85,247,.16));color:var(--cyan);margin-bottom:14px}
.fnode h4{font-size:1.1rem;margin-bottom:6px}
.fnode p{font-size:.68rem;color:var(--txt-mut)}

/* ── services bento ── */
.services{padding:100px 0;border-bottom:1px solid var(--line)}
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.b-card{position:relative;background:var(--panel);border:1px solid var(--line-2);border-radius:18px;padding:30px;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s;will-change:transform}
.b-card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(99,102,241,.12),transparent 45%);opacity:0;transition:opacity .3s}
.b-card:hover::before{opacity:1}
.b-card:hover{border-color:var(--indigo);box-shadow:0 24px 50px rgba(0,0,0,.4)}
.b-lg{grid-row:span 2}
.b-wide{grid-column:span 2}
.b-ico{display:inline-grid;place-items:center;width:54px;height:54px;border-radius:14px;font-size:1.5rem;background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(168,85,247,.18));color:var(--cyan);margin-bottom:20px}
.b-card h3{font-size:1.35rem;margin-bottom:10px}
.b-lg h3{font-size:1.7rem}
.b-card p{color:var(--txt-soft);font-size:.96rem;margin-bottom:20px}
.b-tags{display:flex;gap:7px;flex-wrap:wrap}
.b-tags span{font-size:.66rem;color:var(--txt-soft);border:1px solid var(--line-2);border-radius:6px;padding:3px 9px}

/* ── method sticky ── */
.method{padding:100px 0;border-bottom:1px solid var(--line)}
.method-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:start}
.method-sticky{position:sticky;top:120px}
.method-sticky h2{font-size:clamp(2.4rem,5vw,4rem);margin:14px 0 20px}
.method-sticky p{color:var(--txt-soft);max-width:38ch;margin-bottom:26px}
.method-counter{font-size:1.2rem;color:var(--txt-mut)}
.method-counter span{color:var(--cyan);font-weight:600}
.method-steps{display:flex;flex-direction:column;gap:20px}
.ms{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px;transition:border-color .35s,transform .35s,background .35s}
.ms.active{border-color:var(--indigo);background:var(--panel-2);transform:translateX(8px)}
.ms-no{display:block;font-size:1.3rem;color:var(--cyan);margin-bottom:12px;font-weight:600}
.ms h3{font-size:1.45rem;margin-bottom:10px}
.ms p{color:var(--txt-soft);font-size:.98rem}

/* ── cases ── */
.cases{padding:100px 0;border-bottom:1px solid var(--line);background:var(--bg-2)}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{position:relative;background:var(--panel);border:1px solid var(--line-2);border-radius:18px;padding:30px;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s;will-change:transform}
.case::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%),rgba(168,85,247,.12),transparent 45%);opacity:0;transition:opacity .3s}
.case:hover::before{opacity:1}
.case:hover{border-color:var(--violet);box-shadow:0 24px 50px rgba(0,0,0,.4)}
.case-sector{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--txt-soft)}
.case-metric{margin:16px 0 16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.cm-val{display:block;font-family:'Space Grotesk',sans-serif;font-size:3rem;font-weight:700;line-height:1;background:linear-gradient(150deg,#fff,var(--violet));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cm-desc{display:block;font-family:var(--mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.03em;color:var(--txt-mut);margin-top:8px}
.case p{color:var(--txt-soft);font-size:.92rem;margin-bottom:18px}
.case-tech{display:flex;gap:7px;flex-wrap:wrap}
.case-tech span{font-size:.66rem;color:var(--txt-soft);border:1px solid var(--line-2);border-radius:6px;padding:2px 8px}

/* ── contact ── */
.contact{padding:120px 0;position:relative;overflow:hidden;text-align:center}
.contact-glow{position:absolute;width:700px;height:700px;border-radius:50%;filter:blur(110px);background:radial-gradient(circle,rgba(99,102,241,.28),transparent 60%);top:50%;left:50%;transform:translate(-50%,-50%);z-index:0}
.contact-inner{position:relative;z-index:1;max-width:680px;margin:0 auto}
.contact-inner .sec-label{margin-bottom:18px}
.contact-inner h2{font-size:clamp(2.2rem,5vw,3.6rem);margin-bottom:18px}
.contact-inner>p{color:var(--txt-soft);font-size:1.08rem;margin-bottom:34px;max-width:54ch;margin-left:auto;margin-right:auto}
.contact-form{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;max-width:560px;margin:0 auto}
.contact-form input{flex:1 1 160px;font-family:'Inter',sans-serif;font-size:.95rem;padding:13px 16px;border-radius:10px;border:1px solid var(--line-2);background:rgba(255,255,255,.03);color:var(--txt);transition:border-color .2s,box-shadow .2s}
.contact-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.contact-form .btn{flex:1 1 100%;margin-top:4px}
.form-ok{margin-top:18px;color:#46e58b;font-size:.82rem}
.guar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;list-style:none;margin-top:26px;font-size:.74rem;color:var(--txt-mut)}

/* ── footer ── */
.footer{border-top:1px solid var(--line);background:var(--bg-2)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:34px 28px;flex-wrap:wrap}
.footer p{font-size:.74rem;color:var(--txt-mut)}
.footer-url{font-size:.74rem;color:var(--cyan)}

/* ── reveal ── */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.16,.84,.44,1),transform .7s cubic-bezier(.16,.84,.44,1)}
.reveal.in{opacity:1;transform:none}

/* ── responsive ── */
@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .terminal{max-width:520px}
  .method-wrap{grid-template-columns:1fr;gap:34px}
  .method-sticky{position:static}
  .bento{grid-template-columns:1fr 1fr}
  .b-lg{grid-row:span 1}.b-wide{grid-column:span 2}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .flow-nodes{grid-template-columns:repeat(2,1fr);gap:14px}
  .case-grid{grid-template-columns:1fr}
}
@media(max-width:680px){
  .nav-links{position:fixed;inset:70px 0 auto 0;flex-direction:column;gap:0;background:var(--bg-2);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .3s}
  .nav-links.open{max-height:320px}
  .nav-links li{border-bottom:1px solid var(--line)}
  .nav-links a{display:block;padding:16px 28px}
  .nav-end .btn-glow{display:none}
  .burger{display:flex}
  .burger.open span:first-child{transform:translateY(3.5px) rotate(45deg)}
  .burger.open span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
  .bento{grid-template-columns:1fr}.b-wide{grid-column:span 1}
  .cursor-glow{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  #flowPath{stroke-dashoffset:0!important}
}