/*
Theme Name: Devansh Kaushal
Theme URI: https://devanshkaushal.com
Author: Devansh Kaushal
Description: Lean custom portfolio theme: glass design, light and dark mode, case studies, ventures, writing and press. No page builder.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.0
License: GPL-2.0-or-later
Text Domain: dk
*/

/* ---------- Fonts (self-hosted, latin subset) ---------- */
@font-face{font-family:"Newsreader";font-style:normal;font-weight:200 800;font-display:swap;src:url(assets/fonts/newsreader-latin-wght-normal.woff2) format("woff2")}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:200 800;font-display:swap;src:url(assets/fonts/newsreader-latin-wght-italic.woff2) format("woff2")}
@font-face{font-family:"Hanken Grotesk";font-style:normal;font-weight:100 900;font-display:swap;src:url(assets/fonts/hanken-grotesk-latin-wght-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(assets/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url(assets/fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2")}

/* ---------- Tokens ---------- */
:root{
  --accent:#1F4D3A;--on-accent:#F6F2EA;--bg:#EFEBDF;--ink:#16150F;--ink2:#3A372E;--muted:#4A473D;
  --glass:rgba(255,255,255,.55);--glass-bd:rgba(255,255,255,.8);--glass-sh:0 10px 40px rgba(31,77,58,.12),inset 0 1px 0 rgba(255,255,255,.9);
  --soft:rgba(255,255,255,.45);--soft-bd:rgba(255,255,255,.75);--chip:rgba(255,255,255,.65);--chip-bd:rgba(255,255,255,.9);
  --field:rgba(255,255,255,.75);--field-bd:rgba(22,21,15,.3);--ph:rgba(231,224,209,.7);
  --divider:rgba(22,21,15,.12);--rule:rgba(22,21,15,.2);--btn-sh:0 8px 24px rgba(31,77,58,.25);
  --b1:#8FBFA5;--b2:#E6C98F;--b3:#A7CDB9;--blob-op:.55;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --accent:#7FC4A0;--on-accent:#0B1511;--bg:#0D1411;--ink:#F1EEE4;--ink2:#D5D1C4;--muted:#B4B0A3;
  --glass:rgba(255,255,255,.07);--glass-bd:rgba(255,255,255,.14);--glass-sh:0 10px 40px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.12);
  --soft:rgba(255,255,255,.06);--soft-bd:rgba(255,255,255,.12);--chip:rgba(255,255,255,.1);--chip-bd:rgba(255,255,255,.18);
  --field:rgba(255,255,255,.08);--field-bd:rgba(255,255,255,.3);--ph:rgba(255,255,255,.05);
  --divider:rgba(255,255,255,.12);--rule:rgba(255,255,255,.2);--btn-sh:none;
  --b1:#2F6B52;--b2:#7A5F2A;--b3:#1F5A4A;--blob-op:.5;color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme]){
    --accent:#7FC4A0;--on-accent:#0B1511;--bg:#0D1411;--ink:#F1EEE4;--ink2:#D5D1C4;--muted:#B4B0A3;
    --glass:rgba(255,255,255,.07);--glass-bd:rgba(255,255,255,.14);--glass-sh:0 10px 40px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.12);
    --soft:rgba(255,255,255,.06);--soft-bd:rgba(255,255,255,.12);--chip:rgba(255,255,255,.1);--chip-bd:rgba(255,255,255,.18);
    --field:rgba(255,255,255,.08);--field-bd:rgba(255,255,255,.3);--ph:rgba(255,255,255,.05);
    --divider:rgba(255,255,255,.12);--rule:rgba(255,255,255,.2);--btn-sh:none;
    --b1:#2F6B52;--b2:#7A5F2A;--b3:#1F5A4A;--blob-op:.5;color-scheme:dark;
  }
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--sans);overflow-x:clip;-webkit-font-smoothing:antialiased}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;margin:0;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--accent);color:var(--on-accent);padding:10px 18px;border-radius:999px;z-index:100}
.skip:focus{left:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
::selection{background:var(--accent);color:var(--on-accent)}

/* backdrop blobs */
.blobs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.blobs i{position:absolute;border-radius:50%;opacity:var(--blob-op);filter:blur(90px);will-change:transform}
.blobs i:nth-child(1){top:-140px;left:-180px;width:640px;height:640px;background:var(--b1)}
.blobs i:nth-child(2){top:20%;right:-220px;width:720px;height:720px;background:var(--b2)}
.blobs i:nth-child(3){bottom:-120px;left:8%;width:640px;height:640px;background:var(--b3)}
.site{position:relative;z-index:1}

/* ---------- Layout ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.sec{padding-top:72px;padding-bottom:24px}
.sec--tight{padding:24px 0}
.row{display:flex;flex-wrap:wrap;gap:24px}
.row>*{min-width:0}
.between{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:baseline;justify-content:space-between}
.stack{display:flex;flex-direction:column}
.eyebrow{font:500 13px/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.eyebrow--a{color:var(--accent)}
.mono{font-family:var(--mono)}
.glass{background:var(--glass);-webkit-backdrop-filter:blur(22px) saturate(150%);backdrop-filter:blur(22px) saturate(150%);border:1px solid var(--glass-bd);box-shadow:var(--glass-sh)}
.soft{background:var(--soft);border:1px solid var(--soft-bd);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.chip{display:inline-block;padding:7px 16px;background:var(--chip);border:1px solid var(--chip-bd);border-radius:999px;font-size:15px;color:var(--ink);text-decoration:none}
a.chip:hover{border-color:var(--accent)}
.r32{border-radius:32px}.r28{border-radius:28px}.r24{border-radius:24px}.r20{border-radius:20px}
.p40{padding:40px}.p32{padding:32px}.p28{padding:28px}.p24{padding:24px}
.muted{color:var(--muted)}.ink2{color:var(--ink2)}
.h1{font-size:clamp(40px,6vw,72px);line-height:1.04;letter-spacing:-.02em}
.h1--hero{font-size:clamp(46px,7.2vw,92px);line-height:1.02}
.h2{font-size:clamp(32px,4vw,48px);line-height:1.1}
.h3{font-size:clamp(28px,3.4vw,40px);line-height:1.15}
.lede{font-size:19px;color:var(--ink2);max-width:720px}
.hr{border:0;border-top:1px solid var(--divider);margin:0}

/* buttons */
.btn{display:inline-block;padding:14px 28px;background:var(--accent);color:var(--on-accent);text-decoration:none;font:600 16px/1.2 var(--sans);border-radius:999px;box-shadow:var(--btn-sh);border:0;cursor:pointer;transition:transform .2s ease}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn--ghost{background:var(--glass);color:var(--ink);box-shadow:none;border:1px solid var(--glass-bd);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.btn--sm{padding:10px 22px;font-size:16px}
.icon-btn{width:40px;height:40px;border-radius:50%;background:var(--chip);border:1px solid var(--chip-bd);color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:17px;line-height:1;padding:0}
.link-more{font-weight:600;font-size:15px;color:var(--accent)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:16px;z-index:20;max-width:1200px;margin:0 auto;padding:16px 24px 0}
.nav{border-radius:28px;padding:12px 14px 12px 28px;display:flex;align-items:center;justify-content:space-between;gap:12px 28px;flex-wrap:wrap}
.brand{font:500 23px/1 var(--serif);color:var(--ink);text-decoration:none}
.nav-right{display:flex;align-items:center;gap:22px}
.nav-links{display:flex;align-items:center;gap:8px 26px;font-size:16px}
.nav-links a{color:var(--ink);text-decoration:none}
.nav-links a:hover{text-decoration:underline}
.nav-links a[aria-current="page"]{color:var(--accent);font-weight:600}
.nav-links .btn{color:var(--on-accent)}
.menu-btn{display:none;height:40px;padding:0 16px;border-radius:999px;border:0;background:var(--accent);color:var(--on-accent);font:600 15px var(--sans);cursor:pointer}
.theme-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .i-sun{display:none}
:root[data-theme="dark"] .theme-toggle .i-sun{display:inline}
:root[data-theme="dark"] .theme-toggle .i-moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme]) .theme-toggle .i-sun{display:inline}:root:not([data-theme]) .theme-toggle .i-moon{display:none}}

/* ---------- Hero ---------- */
.hero{padding-top:72px;padding-bottom:56px;display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.hero__text{flex:1 1 560px;min-width:0;display:flex;flex-direction:column;gap:28px}
.hero__sub{font:italic 400 clamp(22px,2.6vw,30px)/1.35 var(--serif);color:var(--ink2)}
.hero__cta{display:flex;flex-wrap:wrap;gap:16px;margin-top:8px}
.hero__photo{flex:0 1 340px;min-width:260px;margin:0 auto;position:relative}
.photo-frame{padding:12px;border-radius:28px}
.photo-frame img,.ph{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:18px}
.ph{background:var(--ph);border:1px dashed var(--muted)}
.hero__chip{position:absolute;left:-24px;bottom:36px;display:flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--accent)}

/* proof */
.proof{border-radius:28px;padding:8px 16px;display:flex;flex-wrap:wrap}
.proof>div{flex:1 1 240px;padding:28px 20px;display:flex;flex-direction:column;gap:8px}
.proof>div+div{border-left:1px solid var(--divider)}
.proof b{font:400 clamp(34px,4vw,46px)/1 var(--mono);color:var(--accent)}

/* cards */
.card{display:flex;flex-direction:column;gap:14px;text-decoration:none;color:var(--ink);transition:transform .25s ease}
a.card:hover{transform:translateY(-4px);text-decoration:none}
.card__title{font:500 clamp(26px,3vw,34px)/1.12 var(--serif)}
.card__body{color:var(--ink2)}
.card__metric{font:400 13px/1.4 var(--mono);color:var(--muted);margin-top:auto}
.card-grid{display:flex;flex-wrap:wrap;gap:24px}
.card-grid>*{flex:1 1 420px;min-width:0}
.card-grid--3>*{flex-basis:320px}
.num-list{display:flex;flex-direction:column;gap:10px;font-size:16px;line-height:1.5;padding:0;margin:0;list-style:none}
.num-list li{display:flex;gap:14px}
.num-list li::before{content:attr(data-n);font-family:var(--mono);color:var(--accent)}

/* flagship */
.flagship{display:flex;flex-wrap:wrap;gap:40px 56px;margin-bottom:24px}
.flagship__main{flex:3 1 480px;min-width:0;display:flex;flex-direction:column;gap:20px}
.flagship__side{flex:2 1 280px;min-width:0;display:flex;flex-direction:column;gap:16px}
.flagship__img{border-radius:20px;overflow:hidden}
.flagship__img img{width:100%;aspect-ratio:16/10;object-fit:cover}
.stat-box{padding:20px 24px;border-radius:20px;display:flex;flex-direction:column;gap:6px}
.stat-box b{font:400 clamp(22px,2.6vw,34px)/1.15 var(--mono);color:var(--accent);overflow-wrap:anywhere}

/* filters */
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.filters button{font:400 15px var(--sans);padding:8px 18px;border-radius:999px;cursor:pointer;background:var(--chip);border:1px solid var(--chip-bd);color:var(--ink)}
.filters button[aria-pressed="true"]{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.filters .count{font:400 12px var(--mono);color:var(--muted);margin-left:8px}
[hidden]{display:none!important}

/* timeline / education */
.tl{display:flex;flex-direction:column}
.tl__row{display:flex;gap:20px;padding:16px 0;border-top:1px solid var(--divider)}
.tl__when{flex:0 0 96px;font:500 14px var(--mono);color:var(--accent)}
.tl__title{font:500 22px/1.2 var(--serif)}
.sem{border-radius:20px;padding:16px 22px;display:flex;flex-wrap:wrap;gap:10px 24px;align-items:flex-start}
.sem__label{flex:0 0 130px}
.sem__label b{font:500 14px var(--mono);display:block}
.sem__label small{font:400 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.sem__chips{flex:1 1 400px;display:flex;flex-wrap:wrap;gap:8px 10px}
.sem__chips span{padding:6px 14px;border-radius:999px;font-size:15px;line-height:1.4;background:var(--soft);border:1px solid var(--soft-bd);color:var(--muted)}
.sem__chips span.hl{background:color-mix(in srgb,var(--accent) 16%,transparent);border-color:color-mix(in srgb,var(--accent) 55%,transparent);color:var(--ink);font-weight:600}

/* article */
.crumbs{font-size:15px;color:var(--muted)}
.crumbs a{color:var(--accent)}
.article-layout{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start}
.toc{flex:0 0 220px;position:sticky;top:110px;border-radius:20px;padding:20px;display:flex;flex-direction:column;gap:10px;font-size:15px}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{text-decoration:underline}
.prose{flex:1 1 560px;min-width:0;max-width:720px;display:flex;flex-direction:column;gap:22px;color:var(--ink2)}
.prose h2{font-size:32px;line-height:1.15;color:var(--ink);margin-top:14px}
.prose h3{font-size:24px;color:var(--ink);margin-top:8px}
.prose a{color:var(--accent)}
.prose ul,.prose ol{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:8px}
.prose blockquote{margin:0;padding:4px 0 4px 22px;border-left:3px solid var(--accent);font:italic 400 22px/1.45 var(--serif);color:var(--ink)}
.prose img{border-radius:16px}
.prose figure{margin:0}
.prose figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.prose table{width:100%;border-collapse:collapse;font-size:16px}
.prose th,.prose td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--divider)}
.prose th{font:500 13px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.prose pre,.prose code{font-family:var(--mono);font-size:.92em}
.prose pre{overflow:auto;padding:16px;border-radius:12px;background:var(--soft);border:1px solid var(--soft-bd)}
.aside{flex:0 0 300px;position:sticky;top:110px;border-radius:24px;padding:28px;display:flex;flex-direction:column;gap:16px}
.aside dl{margin:0;display:flex;flex-direction:column;gap:14px}
.aside dt{font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.aside dd{margin:2px 0 0}

/* forms */
.form{display:flex;flex-direction:column;gap:20px}
.form label{font-weight:600;font-size:15px;display:block;margin-bottom:8px}
.form input,.form select,.form textarea{width:100%;padding:14px 16px;border-radius:14px;font:400 16px var(--sans);background:var(--field);border:1px solid var(--field-bd);color:var(--ink)}
.form textarea{resize:vertical;min-height:140px}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.notice{border-radius:16px;padding:16px 20px}
.notice--ok{background:color-mix(in srgb,var(--accent) 16%,transparent);border:1px solid var(--accent)}
.notice--err{background:rgba(160,40,40,.12);border:1px solid #a02828}

/* footer */
.site-footer{padding:24px 32px 0;max-width:1200px;margin:0 auto}
.foot{border-radius:32px;padding:40px;display:flex;flex-wrap:wrap;gap:32px 48px}
.foot__brand{flex:2 1 280px;display:flex;flex-direction:column;gap:12px}
.foot__col{flex:1 1 160px;display:flex;flex-direction:column;gap:10px}
.foot__col a{color:var(--ink);text-decoration:none;font-size:16px}
.foot__col a:hover{text-decoration:underline}
.foot__bar{padding:20px 8px 40px;display:flex;flex-wrap:wrap;gap:8px 32px;justify-content:space-between;font-size:14px;color:var(--muted)}
.foot__bar a{color:var(--muted)}

/* ---------- Mobile ---------- */
@media (max-width:760px){
  body{font-size:16.5px}
  .wrap{padding:0 20px}
  .sec{padding-top:48px;padding-bottom:16px}
  .site-header{top:10px;padding:10px 12px 0}
  .nav{padding:8px 8px 8px 18px;border-radius:22px}
  .brand{font-size:20px}
  .menu-btn{display:inline-block}
  .nav-right{gap:8px}
  .nav-links{display:none;position:absolute;left:12px;right:12px;top:calc(100% + 8px);flex-direction:column;align-items:stretch;gap:2px;padding:12px 14px;border-radius:22px;background:var(--glass);border:1px solid var(--glass-bd);box-shadow:var(--glass-sh);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px)}
  .nav-links.is-open{display:flex}
  .nav-links a{font-size:18px;padding:10px 8px}
  .nav-links .btn{margin-top:8px;text-align:center;padding:14px}
  .nav{position:relative}
  .p40,.p32{padding:24px}
  .r32,.r28{border-radius:24px}
  .hero{padding-top:40px;padding-bottom:32px;gap:36px}
  .hero__chip{left:8px}
  .proof>div+div{border-left:0;border-top:1px solid var(--divider)}
  .toc{position:static;flex:1 1 100%}
  .aside{position:static;flex:1 1 100%}
  .sem__label{flex:1 1 100%}
  .foot{padding:28px 22px}
  .blobs i{filter:none;width:340px!important;height:340px!important;opacity:.35}
  .blobs i:nth-child(1){background:radial-gradient(circle,var(--b1),transparent 70%)}
  .blobs i:nth-child(2){background:radial-gradient(circle,var(--b2),transparent 70%)}
  .blobs i:nth-child(3){background:radial-gradient(circle,var(--b3),transparent 70%)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}
@media print{.blobs,.site-header,.site-footer{display:none}body{background:#fff;color:#000}}