/* ============================================================
   WALT RINES — Portfolio (CEV) — v3 refined
   ============================================================ */
:root {
  --bg:        #0a0e17;
  --bg-2:      #0d1320;
  --bg-3:      #111827;
  --card:      #121a29;
  --card-2:    #0f1622;
  --ink:       #eaf0f8;
  --muted:     #94a3b8;
  --faint:     #5b6b81;
  --line:      #1e2940;
  --line-2:    #2a3a55;
  --accent:    #3d7dfc;
  --accent-2:  #17c39b;
  --gold:      #d9a441;
  --danger:    #e5564b;
  --warn:      #f2a94e;
  --purple:    #7b5cff;
  --pink:      #e64f6d;
  --dbx:       #e33f2f;
  --bq:        #5897f6;
  --mono:      "JetBrains Mono","SFMono-Regular","Fira Code",ui-monospace,monospace;
  --sans:      "Inter","SF Pro Display","Segoe UI",system-ui,-apple-system,sans-serif;
  --shadow:    0 20px 50px rgba(0,0,0,.42), 0 2px 10px rgba(0,0,0,.28);
  --glow:      0 0 0 1px rgba(61,125,252,.12), 0 18px 44px rgba(34,195,155,.14);
}
* { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body {
  background:var(--bg); color:var(--ink); font-family:var(--sans);
  font-size:16px; line-height:1.66; -webkit-font-smoothing:antialiased;
  scrollbar-width:thin; scrollbar-color:#2b3a5e #0a0e17;
}
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:#0a0e17}
::-webkit-scrollbar-thumb{background:#2b3a5e;border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}
::selection{background:var(--accent);color:#fff}
h1,h2,h3,h4{letter-spacing:-.012em}

/* ---------- top bar ---------- */
.masthead{
  position:sticky;top:0;z-index:50;
  background:rgba(10,14,23,.82);backdrop-filter:saturate(1.5) blur(18px);
  border-bottom:1px solid rgba(61,124,252,.14);
}
.mast-inner{max-width:1280px;margin:0 auto;padding:13px 30px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:850;font-size:1.15rem;
  box-shadow:0 6px 18px rgba(34,195,155,.25);letter-spacing:-.03em;
}
.brand .word{font-weight:800;font-size:1.04rem;letter-spacing:.02em;color:var(--ink);line-height:1.15}
.brand .word small{color:var(--muted);display:block;font-size:.67rem;margin-top:2px;letter-spacing:.01em}
.brand .word small b{color:var(--accent-2);font-weight:600}
.nav{display:flex;gap:2px;align-items:center}
.nav a{color:var(--muted);text-decoration:none;font-size:.9rem;padding:.5rem .8rem;border-radius:9px;transition:.18s;position:relative}
.nav a:hover{color:var(--ink);background:rgba(61,124,252,.08)}
.nav a.cta{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:650;box-shadow:0 8px 22px rgba(34,195,155,.18);padding:.5rem 1.1rem}
.nav a.cta:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(34,195,155,.28);background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.menu-btn{display:none;background:none;border:none;color:var(--ink);font-size:1.5rem;cursor:pointer;line-height:1}

.wrap{max-width:1220px;margin:0 auto;padding:0 30px}
.section{padding:100px 0}
.section-alt{background:
  radial-gradient(1200px 600px at 50% -100px, rgba(61,124,252,.08), transparent 60%),
  var(--bg-2)}
.eyebrow{font-family:var(--mono);font-size:.74rem;color:var(--accent-2);letter-spacing:.16em;text-transform:uppercase}
.h2{font-size:clamp(1.7rem,3.4vw,2.45rem);font-weight:800;color:var(--ink)}
.h2-sub{color:var(--muted);font-size:1.05rem;max-width:720px;margin-top:.7rem}
.grid2,.grid3,.grid4{display:grid}
.grid3{gap:20px}
.grid4{gap:18px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;min-height:80vh;display:grid;grid-template-columns:1.5fr .85fr;gap:40px;align-items:center;padding:112px 0 60px;
}
.hero::before{content:"";position:absolute;inset:-40% -20% auto auto;width:820px;height:820px;border-radius:50%;
  background:radial-gradient(circle,rgba(61,124,252,.16),rgba(34,195,155,.08),transparent 62%);pointer-events:none}
.hero h1{font-size:clamp(2.2rem,5.4vw,3.6rem);font-weight:850;line-height:1.07;letter-spacing:-.026em}
.hero h1 .grad{background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 em{display:inline-block;font-style:normal}
.hero .lead{color:var(--muted);font-size:1.12rem;max-width:660px;margin-top:1.15rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.3rem}
.chip{font-family:var(--mono);font-size:.74rem;color:var(--muted);background:rgba(61,124,252,.06);border:1px solid rgba(61,124,252,.24);padding:.32rem .7rem;border-radius:999px}
.chip.hot{color:var(--ink);background:rgba(34,195,155,.1);border-color:rgba(34,195,155,.34)}
.cta-row{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}
.btn{display:inline-flex;align-items:center;gap:.55rem;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:650;font-size:1.02rem;padding:.95rem 1.8rem;border-radius:13px;text-decoration:none;box-shadow:0 14px 34px rgba(34,195,155,.2);transition:.2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(34,195,150,.3)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid rgba(61,124,252,.5);padding:.95rem 1.6rem;border-radius:13px;font-weight:600;text-decoration:none;transition:.2s}
.btn-outline:hover{border-color:var(--accent);color:#fff;background:rgba(61,124,252,.08)}

.term{background:#0c111e;border:1px solid rgba(61,124,252,.2);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.term .bar{display:flex;align-items:center;gap:7px;padding:.9rem 1.15rem;background:rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.07)}
.term .bar i{width:11px;height:11px;border-radius:50%;background:#ff5f57}
.term .bar i2{width:11px;height:11px;border-radius:50%;background:#febc2e}
.term .bar i3{width:11px;height:11px;border-radius:50%;background:#28c840}
.term .bar t{font-family:var(--mono);font-size:.73rem;color:var(--muted);margin-left:.5rem;flex:1}
.term .bar .tag{font-family:var(--mono);font-size:.7rem;color:var(--accent-2);background:rgba(34,195,155,.1);padding:.2rem .6rem;border-radius:999px}
.term pre{font-family:var(--mono);font-size:.8rem;line-height:1.6;padding:1.2rem 1.3rem;white-space:pre}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:44px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:1.7rem 1.5rem;position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.stat .num{font-size:2.7rem;font-weight:820;color:var(--ink);letter-spacing:-.02em}
.stat .num sup{font-size:1.15rem;color:var(--accent-2)}
.stat .lbl{color:var(--muted);font-size:.95rem;margin-top:.55rem}
.stat .sml{color:var(--faint);font-size:.78rem;margin-top:.35rem}

/* ---------- project cards ---------- */
.pcard{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:1.95rem;display:flex;flex-direction:column;gap:1rem;transition:.22s;position:relative;overflow:hidden}
.pcard::before{content:"";position:absolute;inset:0;background:linear-gradient(140deg,var(--accent),transparent);opacity:0;transition:.3s;pointer-events:none;z-index:0}
.pcard > *{position:relative;z-index:1}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.pcard:hover::before{opacity:.05}
.pcard .k{font-family:var(--mono);font-size:.68rem;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.pcard h3{font-size:1.25rem;font-weight:720;color:var(--ink)}
.pcard p{color:var(--muted);font-size:.95rem;line-height:1.62}
.pcard .tags{display:flex;flex-wrap:wrap;gap:.45rem}
.pcard .tags span{font-size:.7rem;font-family:var(--mono);color:var(--faint);background:rgba(148,163,184,.1);padding:.2rem .55rem;border-radius:7px}

/* ---------- platform cloud ---------- */
.plat{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:.92rem;color:var(--ink)}
.cloud{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center;padding:50px 0}
.cloud .pl{padding:1.2rem 1.6rem;border-radius:16px;background:rgba(61,124,252,.05);border:1px solid var(--line-2);font-weight:650;color:var(--ink);font-size:.98rem;transition:.2s}
.cloud .pl:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:0 10px 26px rgba(61,124,252,.16)}
.cloud .pl i{display:block;font-size:.72rem;color:var(--muted);letter-spacing:.08em;margin-top:.25rem}

/* ---------- feature / split ---------- */
.split{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{border-radius:24px;background:var(--card);border:1px solid var(--line);padding:2rem}
.feat .ico{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:1.05rem;background:rgba(61,124,252,.12)}
.feat h3{font-size:1.16rem;font-weight:700;color:var(--ink)}
.feat p{color:var(--muted);font-size:.95rem;margin-top:.45rem}
.feat ul{list-style:none;margin-top:.8rem;padding:0}
.feat ul li{color:var(--muted);font-size:.9rem;padding-left:1.05rem;position:relative;line-height:1.7}
.feat ul li::before{content:"›";position:absolute;left:0;color:var(--accent-2)}

/* ---------- pipeline ---------- */
.pipe{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.pipe-col{background:var(--card);border:1px solid var(--line);border-radius:26px;padding:2.1rem}
.pipe-col h3{font-size:1.22rem;font-weight:760;color:var(--ink)}
.pipe-col h4{color:var(--muted);font-size:.9rem;margin-top:.4rem}
.layer{display:flex;align-items:center;gap:1rem;background:rgba(61,124,252,.05);border:1px solid var(--line);border-radius:14px;padding:1rem 1.15rem;margin-top:1rem}
.layer .cyl{width:16px;height:28px;border-radius:8px;background:var(--accent);opacity:.85}
.layer b{font-family:var(--mono);font-size:.95rem;color:var(--ink)}
.layer span{color:var(--muted);font-size:.84rem}
.arrow{text-align:center;color:var(--accent-2);font-size:1.35rem;margin:.35rem 0;line-height:.6}
.syncln{display:inline-block;width:34px;height:0;border-top:2px dashed var(--gold)}
.syncrow{display:flex;align-items:center;gap:.7rem;font-family:var(--mono);font-size:.78rem;color:var(--faint);margin-top:.9rem}

/* ---------- showcase gallery ---------- */
.showcase{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:26px}
.frame{border-radius:22px;overflow:hidden;border:1px solid var(--line);background:var(--bg-2);transition:.2s;position:relative}
.frame:hover{transform:translateY(-3px);box-shadow:var(--glow)}
.frame img{width:100%;display:block;object-fit:cover;aspect-ratio:16/10;background:var(--bg-2)}
.frame fig{display:block;padding:.9rem 1.2rem;background:rgba(10,14,23,.92);color:var(--muted);font-size:.88rem}
.frame fig b{color:var(--ink)}

/* ---------- details ---------- */
.details{max-width:860px}
details{border:1px solid var(--line);border-radius:16px;background:var(--card);margin-bottom:1rem;padding:1.15rem 1.4rem}
details summary{font-weight:650;color:var(--ink);cursor:pointer;font-size:1.06rem;display:flex;justify-content:space-between;align-items:center}
details[open] summary{color:var(--accent)}
details .body{margin-top:.9rem;color:var(--muted);font-size:.95rem}
details .body ul{margin:.5rem 0;padding-left:1.1rem}
details .body li{margin:.15rem 0}

/* ---------- cta / footer ---------- */
.cta-band{background:
  radial-gradient(900px 600px at 50% 0%, rgba(61,124,252,.12), transparent 60%),
  linear-gradient(135deg,#0b101c,#0f1a30 55%,#0a0e17);
  border:1px solid rgba(61,124,252,.28);border-radius:30px;padding:3.6rem;text-align:center;position:relative;overflow:hidden}
.cta-band h2{font-size:2.1rem;font-weight:830;color:#fff}
.cta-band p{color:var(--muted);max-width:620px;margin:.85rem auto;font-size:1.05rem}
footer{border-top:1px solid var(--line);padding:3rem 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.foot-grid h4{color:var(--muted);font-size:.9rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1rem}
.foot-grid p{color:var(--muted);font-size:.9rem;line-height:1.6}
.copyright{text-align:center;color:var(--faint);font-size:.82rem;margin-top:2.4rem;padding-top:1rem}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .hero{grid-template-columns:1fr;padding:84px 0 40px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .split,.pipe{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav{display:none}.menu-btn{display:block}
  .nav.open{display:flex;flex-direction:column;position:absolute;left:1rem;right:1rem;top:4.6rem;background:rgba(10,14,23,.97);border:1px solid rgba(61,124,252,.3);border-radius:18px;padding:.7rem;box-shadow:var(--shadow);z-index:60}
  .nav.open a{padding:.8rem .95rem;width:100%}
}
@media(max-width:600px){
  .stats{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .nav.open a.cta{width:100%;text-align:center}
}