/* ── OpenPiBot Corporate-Industrial Theme ── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
  --steel-950:#07090b;
  --steel-900:#0b0f13;
  --steel-850:#10161b;
  --steel-800:#141c22;
  --steel-700:#1d2a32;
  --plate:#11181e;
  --plate-2:#151f27;
  --border:rgba(183,201,207,0.14);
  --border-strong:rgba(226,176,74,0.42);
  --text:#eef3f2;
  --muted:#9aa9ad;
  --dim:#66757b;
  --amber:#e2b04a;
  --amber-dark:#8b641c;
  --signal:#38d2c2;
  --signal-soft:rgba(56,210,194,0.14);
  --danger:#d95d4f;
  --ok:#7bbf6a;
  --shadow:0 22px 70px rgba(0,0,0,0.38);
}
body{
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--steel-950);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.018) 1px,transparent 1px),
    radial-gradient(circle at 72% 12%,rgba(226,176,74,0.09),transparent 32rem),
    radial-gradient(circle at 18% 80%,rgba(56,210,194,0.08),transparent 34rem);
  background-size:42px 42px,42px 42px,auto,auto;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:linear-gradient(120deg,rgba(7,9,11,0.35),transparent 35%,rgba(7,9,11,0.58)),
             repeating-linear-gradient(0deg,rgba(255,255,255,0.018) 0 1px,transparent 1px 4px);
  mix-blend-mode:normal;
}
body>*{position:relative;z-index:1}
/* ── Nav ── */
nav{position:fixed;top:0;width:100%;z-index:100;background:rgba(7,10,12,0.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0.95rem 2rem}
.logo{font-size:1.24rem;font-weight:900;color:#fff;letter-spacing:0.02em;text-transform:uppercase;display:flex;align-items:center;gap:.65rem}
.logo::before{content:"";width:23px;height:23px;display:inline-block;background:linear-gradient(135deg,var(--amber),#f6d98a);clip-path:polygon(50% 0,100% 28%,100% 72%,50% 100%,0 72%,0 28%);box-shadow:0 0 0 5px rgba(226,176,74,0.08),0 0 24px rgba(226,176,74,0.28)}
.logo span{color:var(--amber)}
.nav-links{display:flex;gap:2rem;list-style:none}
.nav-links a{color:var(--muted);text-decoration:none;font-size:0.8rem;text-transform:uppercase;letter-spacing:.11em;transition:color .2s}
.nav-links a:hover{color:var(--amber)}
.btn-ghost,.btn-primary{position:relative;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;border-radius:3px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;transition:transform .2s,border-color .2s,background .2s,box-shadow .2s;clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px))}
.btn-ghost{padding:.62rem 1.25rem;border:1px solid rgba(226,176,74,.48);color:var(--amber);background:rgba(226,176,74,.045);font-size:.74rem}
.btn-ghost:hover{background:rgba(226,176,74,.14);border-color:var(--amber);color:#fff;box-shadow:0 0 0 4px rgba(226,176,74,.08)}
.btn-primary{padding:.86rem 2.05rem;background:linear-gradient(135deg,#f2c765,var(--amber));color:#11160f;border:1px solid rgba(255,228,151,.55);font-size:.86rem;box-shadow:0 13px 34px rgba(226,176,74,.18),inset 0 1px 0 rgba(255,255,255,.45)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(226,176,74,.24)}
/* ── Hero ── */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:left;position:relative;padding:8rem 2rem 6rem;overflow:hidden}
.hero::after{content:"OPENPIBOT / EDGE AGENT SYSTEMS";position:absolute;right:-7rem;top:44%;transform:rotate(90deg);font-size:.74rem;letter-spacing:.32em;color:rgba(238,243,242,.12);font-weight:900}
.hero-bg{position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(90deg,rgba(7,9,11,.93) 0%,rgba(7,9,11,.68) 46%,rgba(7,9,11,.88) 100%),
  radial-gradient(ellipse at 74% 38%,rgba(56,210,194,.12),transparent 32rem),
  radial-gradient(ellipse at 22% 28%,rgba(226,176,74,.11),transparent 28rem)}
.hero-bg::before{content:"";position:absolute;inset:9% 4% 10% auto;width:min(46vw,620px);opacity:.46;background:
  linear-gradient(90deg,transparent 0 18%,rgba(226,176,74,.5) 18% 18.35%,transparent 18.35% 34%,rgba(56,210,194,.38) 34% 34.3%,transparent 34.3% 100%),
  repeating-linear-gradient(135deg,rgba(255,255,255,.055) 0 1px,transparent 1px 17px);
  clip-path:polygon(12% 0,100% 0,100% 76%,88% 100%,0 100%,0 14%)}
.hero-content{position:relative;z-index:2;width:min(1120px,100%);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.82fr);gap:3.5rem;align-items:center}
.hero-copy{max-width:720px}
.hero-badge{display:inline-flex;align-items:center;gap:.55rem;padding:.42rem .92rem;background:rgba(226,176,74,.09);border:1px solid rgba(226,176,74,.46);border-radius:3px;color:#f2c765;font-size:.72rem;font-weight:900;margin-bottom:1.75rem;letter-spacing:.16em;text-transform:uppercase;clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%)}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 18px var(--signal)}
.hero h1{font-size:clamp(2.7rem,6vw,5.85rem);font-weight:950;line-height:.96;margin-bottom:1.45rem;letter-spacing:-.065em;color:#f6faf9;text-transform:uppercase;text-wrap:balance;text-shadow:0 20px 55px rgba(0,0,0,.5)}
.hero h1 span{color:var(--amber)}
.hero p{font-size:1.13rem;color:#b5c2c5;margin-bottom:2.3rem;max-width:650px;border-left:3px solid var(--amber);padding-left:1.1rem;background:linear-gradient(90deg,rgba(226,176,74,.055),transparent)}
.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap}
.hero-panel{background:linear-gradient(180deg,rgba(21,31,39,.86),rgba(11,15,19,.92));border:1px solid var(--border);box-shadow:var(--shadow);clip-path:polygon(0 0,calc(100% - 26px) 0,100% 26px,100% 100%,26px 100%,0 calc(100% - 26px));padding:1.15rem;min-height:410px;position:relative;overflow:hidden}
.hero-panel::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(56,210,194,.08),transparent);transform:translateX(-100%);animation:scan 5.5s linear infinite}
@keyframes scan{to{transform:translateX(100%)}}
.panel-top{display:flex;justify-content:space-between;align-items:center;color:var(--dim);font-family:"JetBrains Mono","Fira Code",monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;border-bottom:1px solid var(--border);padding-bottom:.85rem;margin-bottom:1.2rem}
.panel-top b{color:var(--amber);font-weight:800}
.schematic{position:relative;height:315px;background:linear-gradient(rgba(255,255,255,.024) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.024) 1px,transparent 1px);background-size:28px 28px;border:1px solid rgba(255,255,255,.055)}
.node{position:absolute;width:138px;padding:.8rem .85rem;background:rgba(8,12,15,.9);border:1px solid rgba(56,210,194,.36);color:#dffdfa;font-family:"JetBrains Mono","Fira Code",monospace;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;box-shadow:0 0 32px rgba(56,210,194,.08)}
.node strong{display:block;color:#fff;font-size:.82rem;margin-bottom:.15rem}.node small{color:var(--muted)}
.node.llm{left:28px;top:32px;border-color:rgba(226,176,74,.5)}.node.edge{right:32px;top:118px}.node.hardware{left:42px;bottom:34px}.node.dashboard{right:36px;bottom:30px;border-color:rgba(226,176,74,.42)}
.line{position:absolute;height:2px;background:linear-gradient(90deg,rgba(226,176,74,.2),var(--signal));transform-origin:left center;box-shadow:0 0 14px rgba(56,210,194,.25)}
.line.a{width:190px;left:158px;top:78px;transform:rotate(20deg)}.line.b{width:200px;left:174px;top:218px;transform:rotate(-18deg)}.line.c{width:104px;right:85px;top:204px;transform:rotate(90deg)}
.gauge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:118px;height:118px;border-radius:50%;border:1px solid rgba(226,176,74,.38);background:radial-gradient(circle,rgba(226,176,74,.13),transparent 62%);display:grid;place-items:center;color:var(--amber);font-family:"JetBrains Mono",monospace;font-size:.72rem;text-align:center;text-transform:uppercase;letter-spacing:.1em}
.gauge::before{content:"";position:absolute;inset:12px;border-radius:50%;border:1px dashed rgba(56,210,194,.4)}
/* ── Sections ── */
.section{padding:6.3rem 2rem;max-width:1200px;margin:0 auto}
.section-label{font-size:.72rem;font-weight:900;letter-spacing:.18em;color:var(--amber);text-transform:uppercase;margin-bottom:1rem;display:flex;align-items:center;gap:.65rem}.section-label::before{content:"";width:26px;height:2px;background:var(--amber)}
.section h2{font-size:clamp(2rem,4vw,3.25rem);font-weight:950;margin-bottom:1rem;letter-spacing:-.045em;text-transform:uppercase;line-height:1.03}.section-sub{color:var(--muted);font-size:1.05rem;max-width:660px;margin-bottom:3rem}
/* ── Cards ── */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.15rem}.card{background:linear-gradient(180deg,rgba(21,31,39,.94),rgba(13,18,22,.96));border:1px solid var(--border);border-radius:0;padding:1.7rem;transition:all .25s;clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.035)}
.card:hover{border-color:rgba(226,176,74,.42);transform:translateY(-3px);box-shadow:0 18px 46px rgba(0,0,0,.32),inset 3px 0 0 rgba(226,176,74,.8)}
.card-icon,.use-icon{font-size:1.8rem;margin-bottom:1rem;filter:saturate(.75);width:44px;height:44px;display:grid;place-items:center;background:rgba(226,176,74,.08);border:1px solid rgba(226,176,74,.22);clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,0 100%)}
.card h3{font-size:1.05rem;font-weight:900;margin-bottom:.55rem;text-transform:uppercase;letter-spacing:.035em}.card p{color:var(--muted);font-size:.93rem}
/* ── How it Works ── */
.how-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}.code-block{background:#090d10;border:1px solid rgba(56,210,194,.18);border-left:4px solid var(--signal);border-radius:0;padding:1.7rem;font-family:"JetBrains Mono","Fira Code",monospace;font-size:.86rem;color:#c9d5c9;overflow-x:auto;box-shadow:var(--shadow)}.code-block .cmd{color:var(--amber);font-weight:800}.code-block .comment{color:#66757b}
/* ── Use Cases ── */
.use-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.use-card{background:rgba(17,24,30,.78);border:1px solid var(--border);padding:1.45rem;transition:all .25s}.use-card:hover{border-color:rgba(56,210,194,.32);transform:translateY(-2px);background:rgba(21,31,39,.92)}.use-card h4{font-size:.95rem;font-weight:900;margin-bottom:.35rem;text-transform:uppercase;letter-spacing:.035em}.use-card p{color:var(--muted);font-size:.84rem}.use-card .use-icon{margin-left:0;font-size:2rem}
/* ── Dashboard preview ── */
.dash-preview{background:linear-gradient(180deg,var(--plate),#090d10);border:1px solid var(--border);border-radius:0;overflow:hidden;max-width:900px;margin:0 auto;box-shadow:var(--shadow);clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,24px 100%,0 calc(100% - 24px))}.dash-header{background:#0b1115;padding:.85rem 1.2rem;display:flex;align-items:center;gap:.5rem;border-bottom:1px solid var(--border)}.dash-dot{width:10px;height:10px;border-radius:50%;background:#555}.dash-dot:nth-child(1){background:var(--danger)}.dash-dot:nth-child(2){background:var(--amber)}.dash-dot:nth-child(3){background:var(--ok)}.dash-title{color:var(--muted);font-size:.72rem;margin-left:.5rem;font-family:"JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em}.dash-body{padding:2rem;font-size:.85rem}.dash-row{display:flex;gap:1rem;align-items:center;padding:.65rem 0;border-bottom:1px solid var(--border)}.dash-row:last-child{border:none}.dash-status{width:8px;height:8px;border-radius:50%;background:var(--ok);flex-shrink:0;box-shadow:0 0 14px rgba(123,191,106,.45)}.dash-status.off{background:var(--danger);box-shadow:0 0 14px rgba(217,93,79,.45)}.dash-agent{flex:1;color:#fff;font-family:"JetBrains Mono",monospace}.dash-info{color:var(--muted)}
/* ── CTA ── */
.cta{background:linear-gradient(135deg,rgba(226,176,74,.13),rgba(56,210,194,.07));border:1px solid rgba(226,176,74,.24);border-radius:0;padding:3rem;text-align:center;clip-path:polygon(0 0,calc(100% - 28px) 0,100% 28px,100% 100%,28px 100%,0 calc(100% - 28px));box-shadow:var(--shadow)}.cta .section-label{justify-content:center}.cta .section-label::after{content:"";width:26px;height:2px;background:var(--amber)}.cta h2{margin-bottom:.65rem}.cta p{margin-bottom:1.55rem;color:var(--muted)}
footer{border-top:1px solid var(--border);padding:2rem;text-align:center;color:var(--muted);font-size:.82rem;background:rgba(7,10,12,.72)}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer;padding:.3rem}.nav-links.mobile-open{display:flex!important}.nav-cta{display:inline-flex}
@media(max-width:1024px){.hero-content{grid-template-columns:1fr}.hero-panel{max-width:620px}.hero h1{font-size:3.6rem}.section h2{font-size:2.35rem}.how-grid{gap:2rem}}
@media(max-width:768px){.nav-toggle{display:block}.nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(7,10,12,.96);backdrop-filter:blur(20px);padding:1rem 2rem;gap:1rem;border-bottom:1px solid var(--border)}.nav-links a{font-size:.95rem}.nav-cta{display:none}.hero{min-height:90vh;padding:6rem 1.25rem 4rem;text-align:left}.hero::after{display:none}.hero h1{font-size:2.55rem}.hero p{font-size:1rem;max-width:100%}.hero-content{gap:2rem}.hero-panel{display:none}.hero h1{font-size:2.45rem}.hero p{font-size:1rem;max-width:100%}.section{padding:4rem 1.25rem}.section h2{font-size:1.8rem}.section-sub{font-size:1rem;margin-bottom:2rem}.card-grid{grid-template-columns:1fr;gap:1rem}.card{padding:1.45rem}.how-grid{grid-template-columns:1fr;gap:2rem}.code-block{padding:1.25rem;font-size:.74rem}.use-grid{grid-template-columns:repeat(2,1fr);gap:.75rem}.use-card{padding:1.15rem}.use-icon{font-size:1.75rem;margin-bottom:.5rem}.use-card h4{font-size:.82rem}.use-card p{font-size:.76rem}.dash-preview{max-width:100%}.dash-body{padding:1rem;font-size:.76rem}.dash-row{gap:.5rem}.dash-header{padding:.6rem .8rem}.cta{padding:2rem 1.25rem}footer{padding:1.5rem 1rem}}
@media(max-width:480px){.hero h1{font-size:2.05rem}.hero-panel{display:none}.hero p{font-size:.94rem}.section h2{font-size:1.45rem}.use-grid{grid-template-columns:1fr}.code-block{font-size:.68rem}.hero-buttons .btn-primary,.hero-buttons .btn-ghost{width:100%;text-align:center}}


/* ── Photo integration ── */
.feature-showcase{display:grid;grid-template-columns:1.05fr .95fr;gap:1.5rem;align-items:stretch;margin:2.5rem 0 3rem}
.feature-photo,.section-photo,.wide-photo,.dashboard-photo{position:relative;overflow:hidden;border:1px solid var(--border);background:#090d10;box-shadow:var(--shadow);clip-path:polygon(0 0,calc(100% - 24px) 0,100% 24px,100% 100%,24px 100%,0 calc(100% - 24px))}
.feature-photo::after,.section-photo::after,.wide-photo::after,.dashboard-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(226,176,74,.18),transparent 34%,rgba(56,210,194,.1));pointer-events:none;mix-blend-mode:screen}
.feature-photo img,.section-photo img,.wide-photo img,.dashboard-photo img{display:block;width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.05)}
.feature-copy{background:linear-gradient(180deg,rgba(21,31,39,.88),rgba(10,14,17,.92));border:1px solid var(--border);padding:2rem;clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%)}
.feature-copy .eyebrow{font-size:.7rem;letter-spacing:.17em;text-transform:uppercase;color:var(--signal);font-weight:900;margin-bottom:.75rem}
.feature-copy h3{font-size:1.7rem;line-height:1.05;text-transform:uppercase;letter-spacing:-.035em;margin-bottom:.9rem}.feature-copy p{color:var(--muted);font-size:.98rem;margin-bottom:1rem}.feature-copy ul{list-style:none;display:grid;gap:.55rem;color:#cbd6d8;font-size:.9rem}.feature-copy li{border-left:2px solid var(--amber);padding-left:.7rem;background:linear-gradient(90deg,rgba(226,176,74,.06),transparent)}
.section-photo.compact{height:210px;margin:0 0 1.4rem}.wide-photo{height:360px;margin:2.4rem 0 2.4rem}.dashboard-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:1.5rem;align-items:stretch}.dashboard-layout.single{grid-template-columns:1fr}.dashboard-layout.single .dashboard-photo{min-height:520px}.dashboard-photo{min-height:330px}.dashboard-screen{background:#07111d}.dashboard-screen img{object-fit:contain;padding:.4rem}.dashboard-layout .dash-preview{height:100%;margin:0;display:flex;flex-direction:column}.dashboard-layout .dash-body{flex:1}.dashboard-note{text-align:center;margin:1rem auto 0;color:#b8cbd6;font-size:.92rem;max-width:780px;border:1px solid rgba(56,210,194,.16);background:rgba(56,210,194,.055);padding:.8rem 1rem;clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px))}
@media(max-width:900px){.feature-showcase,.dashboard-layout{grid-template-columns:1fr}.feature-photo{min-height:300px}.dashboard-photo{min-height:260px}.wide-photo{height:280px}}
@media(max-width:768px){.feature-showcase{margin:1.5rem 0 2rem}.feature-copy{padding:1.35rem}.feature-copy h3{font-size:1.35rem}.section-photo.compact{height:180px}.wide-photo{height:230px;margin:1.6rem 0}.dashboard-photo{min-height:220px}}