:root{color-scheme:dark;
  /* PlanIQ brand (from the YouTube logo): deep navy ground, signal blue bars, amber IQ + milestones */
  --bg:#081327; --bg-2:#0b1a35; --panel:#0f2142; --line:#1b305a;
  --text:#f2f5fb; --text-2:#c9d3e6; --muted:#8c9bba;
  --amber:#fbae25; --amber-2:#ffc75a; --amber-ink:#1a1204;
  --blue:#2363ff; --blue-2:#5c9dff; --bar:#24406f;
  --good:#5fd38d; --info:#6aa8ff; --warn:#ff8a5c;
  --radius:12px; --max:1160px;
  --font-head:"Poppins",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--bg)}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.doc.flash{animation:none}}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--font-body);-webkit-font-smoothing:antialiased}
a{color:var(--amber);text-decoration:none}
a:hover{color:var(--amber-2)}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.15;margin:0 0 .5em;letter-spacing:-.015em;text-wrap:balance}
h1{font-size:clamp(2.1rem,5vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:700}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em;color:var(--text-2)}
.mono{font-family:var(--font-mono)}
.eyebrow{font:600 .78rem/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:14px;display:block}
.muted{color:var(--muted)}

/* Header */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(8,19,39,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font:800 1.2rem var(--font-head)}
.brand-mark{width:34px;height:30px;display:block;flex:none}
.brand b{color:var(--amber)}
.nav{display:flex;gap:4px;align-items:center}
.nav a{color:var(--muted);padding:8px 12px;border-radius:7px;font-size:.92rem;font-weight:500}
.nav a:hover,.nav a.active{color:var(--text);background:var(--panel)}
.nav .btn{margin-left:8px}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:7px;padding:7px 10px;font:inherit;cursor:pointer}
@media(max-width:860px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg-2);flex-direction:column;align-items:stretch;padding:10px 16px 16px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav .btn{margin:8px 0 0;text-align:center}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:8px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:transform .12s,background .12s}
.btn-primary{background:var(--amber);color:var(--amber-ink)!important}
.btn-primary:hover{background:var(--amber-2)}
.btn-ghost{border-color:var(--line);color:var(--text)!important;background:transparent}
.btn-ghost:hover{border-color:var(--amber)}
.btn:active{transform:translateY(1px)}

/* Hero */
.hero{padding:90px 0 70px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.35;mask-image:radial-gradient(ellipse at 70% 40%,#000 0%,transparent 70%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero h1 span{color:var(--amber)}
.hero .lead{font-size:1.15rem;max-width:560px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-meta{display:flex;gap:22px;margin-top:28px;flex-wrap:wrap;font:500 .82rem var(--font-mono);color:var(--muted)}
.hero-meta b{color:var(--text)}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero{padding:60px 0 50px}}

/* Gantt visual */
.gantt{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;font:500 .74rem var(--font-mono);box-shadow:0 30px 60px -30px #000}
.gantt-top{display:flex;justify-content:space-between;color:var(--muted);margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.gantt-top b{color:var(--amber)}
.g-row{display:grid;grid-template-columns:110px 1fr;align-items:center;gap:10px;height:28px}
.g-row span{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.g-track{position:relative;height:12px}
.g-bar{position:absolute;top:0;height:12px;border-radius:3px;background:var(--bar)}
.g-bar.crit{background:var(--amber)}
.g-bar.prog{background:linear-gradient(90deg,var(--good) var(--p),var(--bar) var(--p))}
.g-ms{position:absolute;top:-1px;width:12px;height:12px;background:var(--amber);transform:rotate(45deg)}
.g-dd{position:absolute;top:-8px;bottom:-8px;width:0;border-left:1px dashed var(--warn)}
.gantt-foot{display:flex;gap:16px;margin-top:12px;padding-top:10px;border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap}
.gantt-foot i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px}

/* Sections */
section{padding:84px 0;border-bottom:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:40px}
.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.g3{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.g3,.g2{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .15s}
.card:hover{border-color:var(--bar)}
.card p{font-size:.94rem;margin:0}
.card .ico{width:38px;height:38px;border-radius:8px;background:rgba(245,165,36,.12);color:var(--amber);display:grid;place-items:center;margin-bottom:14px}
.card .ico svg{width:20px;height:20px}
.card .more{display:inline-block;margin-top:12px;font:600 .82rem var(--font-mono)}
.tag{display:inline-block;font:600 .7rem/1 var(--font-mono);padding:5px 8px;border-radius:5px;letter-spacing:.04em;text-transform:uppercase}
.tag-new{background:rgba(95,211,141,.14);color:var(--good)}
.tag-improved{background:rgba(106,168,255,.14);color:var(--info)}
.tag-fixed{background:rgba(255,138,92,.14);color:var(--warn)}
.tag-amber{background:rgba(245,165,36,.14);color:var(--amber)}

/* Split blocks */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.checks{list-style:none;padding:0;margin:0 0 24px}
.checks li{padding:8px 0 8px 28px;position:relative;color:var(--text-2);border-bottom:1px solid var(--line)}
.checks li::before{content:"";position:absolute;left:4px;top:15px;width:10px;height:6px;border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);transform:rotate(-45deg)}

/* Course */
.modules{counter-reset:m;display:grid;gap:10px}
.module{display:grid;grid-template-columns:52px 1fr auto;gap:14px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px 16px}
.module::before{counter-increment:m;content:counter(m,decimal-leading-zero);font:700 1.05rem var(--font-mono);color:var(--amber)}
.module h4{margin:0;font-size:1rem}
.module p{margin:0;font-size:.86rem;color:var(--muted)}
.module .dur{font:500 .78rem var(--font-mono);color:var(--muted);white-space:nowrap}
@media(max-width:560px){.module{grid-template-columns:40px 1fr}.module .dur{display:none}}

/* Videos */
.video{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--text)!important;display:block}
.video .thumb{aspect-ratio:16/9;background:var(--bar) center/cover;position:relative;display:grid;place-items:center}
.video .thumb::after{content:"";width:54px;height:38px;border-radius:9px;background:var(--amber);clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}
.video .thumb::before{content:"";position:absolute;z-index:1;width:0;height:0;border-left:14px solid var(--amber-ink);border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px}
.video .meta{padding:14px 16px}
.video h4{margin:0 0 4px;font-size:.98rem}
.video small{color:var(--muted);font-family:var(--font-mono)}

/* Release / updates */
.release{border-left:2px solid var(--line);padding:0 0 34px 26px;position:relative}
.release::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--muted)}
.release.latest::before{border-color:var(--amber);background:var(--amber)}
.release-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.release-head h3{margin:0;font-family:var(--font-mono);font-size:1.25rem}
.release-head time{color:var(--muted);font:500 .85rem var(--font-mono)}
.change{display:grid;grid-template-columns:90px 1fr;gap:12px;padding:10px 0;border-top:1px solid var(--line)}
.change h4{margin:0 0 2px;font-size:.98rem;font-family:var(--font-body);font-weight:600}
.change p{margin:0;font-size:.9rem;color:var(--muted)}
@media(max-width:520px){.change{grid-template-columns:1fr;gap:4px}}
.latest-box{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--amber);border-radius:var(--radius);padding:22px 24px;margin-bottom:46px}
.latest-box .ver{font:700 1.8rem var(--font-mono);color:var(--amber)}

/* Help docs */
.docs{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:40px 0 80px}
.docs-nav{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 100px);overflow:auto}
.docs-nav input{width:100%;background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:10px 12px;font:inherit;margin-bottom:16px}
.docs-nav input:focus{outline:none;border-color:var(--amber)}
.docs-nav h5{font:600 .72rem var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:18px 0 6px}
.docs-nav a{display:block;color:var(--text-2);padding:6px 10px;border-radius:6px;font-size:.92rem;border-left:2px solid transparent}
.docs-nav a:hover{background:var(--panel)}
.docs-nav a.active{color:var(--amber);border-left-color:var(--amber);background:rgba(245,165,36,.07)}
.doc{scroll-margin-top:84px;padding:6px 0 40px;border-bottom:1px solid var(--line);margin-bottom:34px}
.doc.flash{animation:flash 1.6s ease}
@keyframes flash{0%{background:rgba(245,165,36,.12)}100%{background:transparent}}
.doc h2{font-size:1.7rem;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.doc h3{margin-top:22px}
.doc ol,.doc ul{color:var(--text-2);padding-left:22px}
.doc li{margin:4px 0}
.doc .id{font:500 .75rem var(--font-mono);color:var(--muted);background:var(--panel);border:1px solid var(--line);padding:3px 8px;border-radius:5px}
.note{background:var(--panel);border-left:3px solid var(--amber);padding:12px 16px;border-radius:0 8px 8px 0;font-size:.92rem;margin:14px 0;color:var(--text-2)}
table.t{width:100%;border-collapse:collapse;font-size:.9rem;margin:12px 0}
table.t th,table.t td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
table.t th{font:600 .74rem var(--font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.table-scroll{overflow-x:auto}
code{font-family:var(--font-mono);font-size:.86em;background:var(--panel);border:1px solid var(--line);padding:1px 6px;border-radius:4px;color:var(--amber-2)}
@media(max-width:860px){.docs{grid-template-columns:1fr}.docs-nav{position:static;max-height:none}}

/* Page head */
.page-head{padding:56px 0 36px;border-bottom:1px solid var(--line)}
.page-head p{max-width:680px}

/* CTA band + footer */
.band{background:linear-gradient(135deg,rgba(245,165,36,.14),transparent 60%),var(--bg-2)}
.band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.site-foot{padding:44px 0;color:var(--muted);font-size:.9rem}
.site-foot .wrap{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
.site-foot h5{color:var(--text);font:600 .78rem var(--font-mono);letter-spacing:.1em;text-transform:uppercase;margin:0 0 10px}
.site-foot a{display:block;color:var(--muted);padding:3px 0}
.site-foot a:hover{color:var(--amber)}
.copy{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;font:500 .8rem var(--font-mono);grid-column:1/-1}
@media(max-width:760px){.site-foot .wrap{grid-template-columns:1fr 1fr}}

/* Brand byline: "PlanIQ" with "by Damith" underneath */
.brand-name{display:flex;flex-direction:column;line-height:1;gap:4px}
.brand-name small{font:500 .72rem/1 var(--font-head);letter-spacing:.01em;color:var(--blue-2)}
.brand:hover .brand-name small{color:var(--amber)}

/* Brand imagery */
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(35,99,255,.22),transparent 65%);pointer-events:none}
.gantt .g-bar{background:var(--blue)}
.gantt .g-bar.alt{background:var(--blue-2)}
.gantt .g-bar.crit{background:var(--amber)}
.gantt .g-bar.prog{background:linear-gradient(90deg,var(--good) var(--p),var(--blue) var(--p))}
.channel{display:block;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-bottom:20px;max-width:100%}
.channel img{width:100%;height:auto;aspect-ratio:16/7;object-fit:cover;object-position:center 52%}
.about-card{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-bottom:22px}
.portrait{width:132px;height:132px;border-radius:50%;object-fit:cover;border:3px solid var(--amber);box-shadow:0 0 0 6px rgba(35,99,255,.25);flex:none}
.about-card h3{margin:0 0 4px;font-size:1.3rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--blue-2);color:var(--text-2);border-radius:999px;padding:4px 12px;font-size:.82rem}
.about-card > div{flex:1 1 260px;min-width:0}