/* Software Scientist · { Mars } look. One red thing per screen. */
@font-face{font-family:Manrope;src:url(/fonts/Manrope-Var.woff2) format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Space Mono";src:url(/fonts/SpaceMono-Regular.woff2) format("woff2");font-weight:400 700;font-display:swap}

:root{
  --paper:#f3f5f7;--card:#ffffff;--ink:#111216;--ink-2:#3b3e47;--muted:#5d6270;--line:#dde1e6;
  --night:#0b0c10;--night-2:#15171d;--night-line:#262a33;--on-night:#eef0f3;--on-night-2:#a9afba;
  --mars:#d2412a;--mars-ink:#b5341f;--glow:#ff7a4d;--deep:#8e2416;--sprout:#2ccf8a;
  --r:18px;--r-sm:12px;--wrap:1120px;--read:720px;
  --mono:"Space Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:Manrope,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Telugu","Telugu Sangam MN",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:500 17px/1.65 var(--sans);text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration-color:var(--mars);text-underline-offset:3px;text-decoration-thickness:2px}
a:hover{color:var(--mars-ink)}
:focus-visible{outline:3px solid var(--glow);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{font-weight:800;line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2.1rem,5.6vw,3.9rem)}
h2{font-size:clamp(1.6rem,3.6vw,2.4rem)}
h3{font-size:1.25rem;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.read{max-width:var(--read);margin:0 auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:99}
.skip:focus{left:8px}
.te{font-family:"Noto Sans Telugu","Telugu Sangam MN",var(--sans);font-weight:700;letter-spacing:0}

/* labels: { LIKE THIS } */
.label{font:400 .8rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:inline-block;margin-bottom:14px}
.label::before{content:"{ "}.label::after{content:" }"}
.night .label{color:var(--on-night-2)}
.kw{white-space:nowrap}
.kw::before,.kw::after{font-weight:500;color:var(--muted)}
.kw::before{content:"{\2009"}.kw::after{content:"\2009}"}
.kw b{color:var(--mars);font-weight:800}
.night .kw::before,.night .kw::after{color:var(--on-night-2)}
.night .kw b{color:var(--glow)}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(243,245,247,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:1.06rem;letter-spacing:-.01em;color:var(--ink)}
.brand svg{width:34px;height:34px}
.nav{margin-left:auto;display:flex;gap:4px;align-items:center}
.nav a{padding:8px 12px;border-radius:10px;text-decoration:none;font-weight:700;font-size:.95rem;color:var(--ink-2)}
.nav a:hover,.nav a[aria-current=page]{background:#e7eaee;color:var(--ink)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font:700 .9rem var(--sans);color:var(--ink)}
@media (max-width:860px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:64px;flex-direction:column;align-items:stretch;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 20px 16px}
  .nav.open{display:flex}
  .nav a{padding:12px}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:999px;font:800 1rem/1.2 var(--sans);text-decoration:none;border:2px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px);color:#fff;background:#24262d}
.btn.red{background:var(--mars);border-color:var(--mars)}
.btn.red:hover{background:var(--mars-ink);border-color:var(--mars-ink)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.night .btn.ghost{color:var(--on-night);border-color:var(--on-night)}
.night .btn.ghost:hover{background:var(--on-night);color:var(--night)}
.btn.small{min-height:40px;padding:8px 16px;font-size:.92rem}
.btns{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* sections */
section{padding:72px 0}
.night{background:var(--night);color:var(--on-night)}
.night a{color:var(--on-night)}
.night p,.night li{color:var(--on-night-2)}
.night h1,.night h2,.night h3{color:#fff}
.lead{font-size:1.18rem;color:var(--ink-2);max-width:640px}
.night .lead{color:var(--on-night-2)}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}

/* hero */
.hero{padding:64px 0 56px}
.hero .grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}
.hero h1{margin-bottom:.35em}
.hero .te-line{font-size:1.15rem;color:var(--muted);margin-bottom:22px}
.photo-card{position:relative;border-radius:24px;overflow:hidden;background:var(--night);aspect-ratio:4/5;box-shadow:0 30px 60px -30px rgba(17,18,22,.45)}
.photo-card img{width:100%;height:100%;object-fit:cover;object-position:50% 28%}
.photo-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(11,12,16,.92))}
.photo-card figcaption{position:absolute;left:20px;right:20px;bottom:18px;z-index:1;color:#fff;font-weight:700;line-height:1.35}
.photo-card figcaption small{display:block;font:400 .78rem var(--mono);color:var(--on-night-2);margin-top:4px;letter-spacing:.04em}
.split{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:start}
@media (max-width:860px){.hero .grid,.split{grid-template-columns:1fr}.photo-card{max-width:360px}}

/* cards */
.cards{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column}
.card h3{margin-bottom:.4em}
.card p{color:var(--ink-2)}
.card .more{margin-top:auto;font-weight:800;text-decoration:none}
.card .more::after{content:" →"}
.night .card{background:var(--night-2);border-color:var(--night-line)}
.night .card p{color:var(--on-night-2)}
.path{border-top:6px solid var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-weight:700;font-size:.92rem;text-decoration:none;color:var(--ink)}
.chip:hover{border-color:var(--ink)}
.chip .te{font-size:.85rem;color:var(--muted);font-weight:600}

/* posts list */
.posts{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column}
.post-card:hover{border-color:var(--ink);color:var(--ink)}
.post-card img{aspect-ratio:1200/630;width:100%;object-fit:cover;background:var(--night)}
.post-card div{padding:18px 20px 22px}
.post-card h3{font-size:1.12rem;margin:.2em 0 .45em}
.post-card p{font-size:.95rem;color:var(--muted);margin:0}
.meta{font:400 .78rem var(--mono);color:var(--muted);letter-spacing:.04em;text-transform:uppercase}

/* article */
.crumbs{font:400 .8rem var(--mono);color:var(--muted);padding-top:28px}
.crumbs a{color:var(--muted)}
.article{padding:28px 0 56px}
.article header{margin-bottom:28px}
.article h1{font-size:clamp(2rem,4.6vw,3.1rem)}
.prose h2{font-size:1.6rem;margin-top:1.8em}
.prose h3{margin-top:1.5em}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.1em}
.prose li{margin:.35em 0}
.prose blockquote{margin:1.4em 0;padding:16px 20px;border-left:4px solid var(--mars);background:var(--card);border-radius:0 var(--r-sm) var(--r-sm) 0;font-weight:700}
.prose blockquote p:last-child{margin:0}
.prose code{font:400 .9em var(--mono);background:#e7eaee;padding:2px 6px;border-radius:6px}
.prose pre{background:var(--night);color:var(--on-night);padding:18px;border-radius:var(--r-sm);overflow:auto;font:400 .88rem/1.55 var(--mono);white-space:pre-wrap}
.prose pre code{background:none;padding:0;color:inherit}
.prose table{border-collapse:collapse;width:100%;margin:1.2em 0;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:#e7eaee}
.tablewrap{overflow-x:auto}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin:1.6em 0}
.box h3{margin-top:0}
.box.note{border-left:6px solid var(--ink)}
.sources{font-size:.92rem;color:var(--muted)}
.sources a{color:var(--muted)}
.byline{display:flex;align-items:center;gap:12px;margin-top:14px;color:var(--muted);font-size:.95rem}
.byline img{width:44px;height:44px;border-radius:50%;object-fit:cover;object-position:50% 25%}
.disclose{font-size:.85rem;color:var(--muted);border:1px dashed var(--line);border-radius:10px;padding:10px 14px;margin:1em 0}

/* faq */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:4px 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:800;padding:14px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;font-family:var(--mono)}
.faq details[open] summary::after{content:"−"}

/* forms */
.form{display:grid;gap:14px}
.field label{display:block;font-weight:800;font-size:.95rem;margin-bottom:6px}
.field .hint{font-weight:500;color:var(--muted);font-size:.85rem}
input[type=text],input[type=email],input[type=tel],input[type=url],textarea,select{width:100%;font:500 1rem/1.4 var(--sans);color:var(--ink);background:#fff;border:1.5px solid #c9ced6;border-radius:12px;padding:12px 14px;min-height:48px}
textarea{min-height:96px;resize:vertical}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,122,77,.35)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:640px){.row2{grid-template-columns:1fr}}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px;font-weight:700;font-size:.9rem;cursor:pointer}
.signup{display:flex;gap:10px;flex-wrap:wrap}
.signup input{flex:1 1 220px}
.small{font-size:.86rem;color:var(--muted)}
.night .small{color:var(--on-night-2)}

/* tool */
.tool{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 24px 50px -36px rgba(17,18,22,.35)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;background:#e9ecf0;border-radius:14px;padding:6px;margin-bottom:22px}
.tabs button{flex:1 1 150px;border:0;background:transparent;border-radius:10px;padding:12px 14px;font:800 .98rem var(--sans);color:var(--ink-2);cursor:pointer;min-height:48px}
.tabs button[aria-selected=true]{background:#fff;color:var(--ink);box-shadow:0 2px 8px rgba(17,18,22,.08)}
.prof-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin-bottom:6px}
.prof-grid button{border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:10px;font:800 .92rem var(--sans);text-align:left;cursor:pointer;color:var(--ink)}
.prof-grid button span{display:block;font-weight:600;color:var(--muted);font-size:.82rem}
.prof-grid button[aria-pressed=true]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.steps-out{margin-top:26px;display:none}
.steps-out.show{display:block}
.prompt-box{position:relative;background:var(--night);color:var(--on-night);border-radius:16px;padding:20px;max-height:420px;overflow:auto;font:400 .86rem/1.6 var(--mono);white-space:pre-wrap;word-break:break-word}
.step-list{counter-reset:s;list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
.step-list li{counter-increment:s;background:#f6f7f9;border:1px solid var(--line);border-radius:14px;padding:14px 16px 14px 56px;position:relative}
.step-list li::before{content:counter(s);position:absolute;left:16px;top:14px;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;font:700 .85rem/28px var(--mono);text-align:center}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(120px);background:var(--ink);color:#fff;padding:12px 20px;border-radius:999px;font-weight:800;transition:transform .25s ease;z-index:50}
.toast.show{transform:translateX(-50%) translateY(0)}

/* masterclass */
.countdown{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 24px}
.countdown div{background:var(--night-2);border:1px solid var(--night-line);border-radius:14px;padding:12px 16px;min-width:78px;text-align:center}
.countdown b{display:block;font:700 1.7rem var(--mono);color:#fff}
.countdown span{font:400 .72rem var(--mono);color:var(--on-night-2);text-transform:uppercase;letter-spacing:.08em}
.price{font-size:3rem;font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1}
.price small{font-size:1rem;color:var(--on-night-2);font-weight:600;letter-spacing:0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin:22px 0}
.facts div{border:1px solid var(--line);border-radius:14px;padding:14px 16px;background:var(--card)}
.facts b{display:block;font:400 .74rem var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.night .facts div{background:var(--night-2);border-color:var(--night-line)}
.night .facts b{color:var(--on-night-2)}
.ticks{list-style:none;padding:0}
.ticks li{padding-left:30px;position:relative;margin:.55em 0}
.ticks li::before{content:"";position:absolute;left:4px;top:.55em;width:12px;height:7px;border-left:3px solid var(--sprout);border-bottom:3px solid var(--sprout);transform:rotate(-45deg)}

/* ads (only rendered when AdSense is set) */
.ad{margin:28px 0;min-height:120px;text-align:center}
.ad::before{content:"Advertisement";display:block;font:400 .7rem var(--mono);color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}

/* footer */
.foot{background:var(--night);color:var(--on-night-2);padding:56px 0 28px;font-size:.95rem}
.foot a{color:var(--on-night);text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.foot h4{font:400 .78rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--on-night-2);margin-bottom:12px}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.foot .brand{color:#fff;margin-bottom:12px}
.foot .legal{border-top:1px solid var(--night-line);margin-top:36px;padding-top:20px;font-size:.85rem;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
@media (max-width:860px){.foot .cols{grid-template-columns:1fr 1fr}}

/* consent */
.consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;max-width:560px;margin:0 auto;background:var(--ink);color:#fff;border-radius:18px;padding:18px 20px;box-shadow:0 20px 50px rgba(0,0,0,.35);display:none}
.consent.show{display:block}
.consent p{color:#d6d9df;font-size:.92rem;margin-bottom:12px}
.consent a{color:#fff}
.consent .btn{min-height:42px;padding:8px 18px;font-size:.92rem}
.consent .btn.ghost{color:#fff;border-color:#fff}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.top,.foot,.consent,.ad,.tool{display:none}}

/* syllabus → jobs */
.doors4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:18px}
.door-n{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;font:700 .95rem var(--mono);margin-bottom:10px;flex:0 0 34px}
.door{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin:16px 0}
.door h2{font-size:1.3rem;margin:4px 0 10px}
.door .chips{margin:6px 0 12px}
.chip.hot{border-color:var(--ink);font-weight:800}
.chip.live{border-color:var(--sprout);background:#eafaf2}
.chip.soon{color:var(--muted);border-style:dashed}
span.chip{cursor:default}
.tcard h3{font-size:1.08rem;margin:.3em 0}
.tcard p{font-size:.93rem;margin-bottom:10px}
input[type=search]{width:100%;font:500 1rem var(--sans);border:1.5px solid #c9ced6;border-radius:12px;padding:12px 14px;min-height:48px;background:#fff}
@media (max-width:640px){.door{flex-direction:column;gap:6px}}