/* ==========================================================================
   Nazrul Hisham — Academic brand stylesheet
   Design system: deep spruce-teal + ochre, IBM Plex + Spectral.
   Signature motif: rotating six-bladed beta-propeller phytase.
   Single file, no build step. Hosts anywhere (cPanel public_html).
   ========================================================================== */

/* ---- 1. Design tokens --------------------------------------------------- */
:root{
  /* Light theme (default) */
  --bg:            #eaefec;
  --bg-2:          #e0e8e3;
  --surface:       #ffffff;
  --surface-2:     #f5f8f6;
  --glass:         rgba(255,255,255,.62);
  --glass-brd:     rgba(10,70,60,.16);
  --text:          #0d211d;
  --text-soft:     #2c433d;
  --text-mute:     #566a63;
  --border:        #d6dedb;
  --hair:          #e2e8e6;

  --primary:       #0a463c;   /* deep emerald-pine */
  --primary-2:     #0d5a4b;   /* brighter emerald (gradient top) */
  --primary-deep:  #05302a;   /* darkest emerald (gradient base) */
  --primary-soft:  #d9ebe4;
  --accent:        #c47128;   /* burnt ochre / culture-medium amber */
  --accent-2:      #a85c1c;

  /* Sequence palette — used only in molecular graphics (A C G T) */
  --seq-a:         #2e9e6b;
  --seq-c:         #2f6fb0;
  --seq-g:         #c79a1f;
  --seq-t:         #c4553c;

  --shadow-sm: 0 1px 2px rgba(16,36,42,.06), 0 2px 8px rgba(16,36,42,.05);
  --shadow-md: 0 8px 30px rgba(16,36,42,.10);
  --shadow-lg: 0 24px 60px rgba(16,36,42,.16);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-pill: 999px;

  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
  --nav-h: 68px;

  --f-display: "Spectral", Georgia, "Times New Roman", serif;
  --f-body: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

[data-theme="dark"]{
  --bg:            #04120e;   /* deep forest ink */
  --bg-2:          #061a14;
  --surface:       #0a241c;
  --surface-2:     #0d2c22;
  --glass:         rgba(9,34,26,.58);
  --glass-brd:     rgba(80,200,168,.20);
  --text:          #e6efe9;
  --text-soft:     #bcd0c8;
  --text-mute:     #85a094;
  --border:        #1a3a2e;
  --hair:          #163025;

  --primary:       #38c99f;   /* bright emerald-mint pop on dark */
  --primary-2:     #5fe0ba;
  --primary-deep:  #0c3a2d;
  --primary-soft:  #0c2c22;
  --accent:        #e6a75f;
  --accent-2:      #f0bd80;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.3), 0 2px 10px rgba(0,0,0,.25);
  --shadow-md: 0 10px 34px rgba(0,0,0,.4);
  --shadow-lg: 0 26px 70px rgba(0,0,0,.55);
}

/* ---- 2. Reset & base ---------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}
body{
  margin:0;
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background .4s var(--ease), color .4s var(--ease);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:600;line-height:1.12;letter-spacing:-.01em;margin:0}
p{margin:0 0 1em}
::selection{background:var(--primary);color:#fff}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
hr{border:none;border-top:1px solid var(--hair);margin:0}

/* ---- 3. Layout helpers -------------------------------------------------- */
.wrap{width:min(var(--maxw), 100% - (var(--gutter)*2));margin-inline:auto}
.section{padding:clamp(64px,9vw,128px) 0}
.section--tight{padding:clamp(44px,6vw,80px) 0}
.grid{display:grid;gap:clamp(18px,2.5vw,30px)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.cols-3,.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.cols-2,.cols-3,.cols-4{grid-template-columns:1fr}}

/* ---- 4. Typographic scale ---------------------------------------------- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:500;
  display:inline-flex;align-items:center;gap:.6em;
  margin:0 0 1.1rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);opacity:.7}
.display-xl{font-size:clamp(2.6rem,6.5vw,5rem);letter-spacing:-.025em}
.display-l{font-size:clamp(2rem,4.6vw,3.3rem)}
.display-m{font-size:clamp(1.5rem,3vw,2.1rem)}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--text-soft);line-height:1.6;max-width:60ch}
.mono{font-family:var(--f-mono)}
.gene{font-family:var(--f-mono);font-style:italic;font-weight:500}
.muted{color:var(--text-mute)}
.section-head{max-width:64ch;margin-bottom:clamp(34px,5vw,60px)}
.section-head .display-l{margin-bottom:.5rem}

/* ---- 5. Navigation ------------------------------------------------------ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav-h);
  display:flex;align-items:center;
  background:var(--glass);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,background .3s,box-shadow .3s;
}
.nav.scrolled{border-bottom-color:var(--glass-brd);box-shadow:var(--shadow-sm)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;width:min(var(--maxw),100% - (var(--gutter)*2));margin-inline:auto}
.brand{display:flex;align-items:center;gap:.7rem;font-family:var(--f-display);font-weight:600;font-size:1.12rem;letter-spacing:-.01em}
.brand__mark{width:34px;height:34px;flex:none}
.brand small{display:block;font-family:var(--f-mono);font-size:.58rem;letter-spacing:.16em;color:var(--text-mute);text-transform:uppercase;font-weight:400;margin-top:1px}
.nav__links{display:flex;align-items:center;gap:2px}
.nav__links a{
  font-size:.9rem;padding:.5rem .8rem;border-radius:var(--r-pill);color:var(--text-soft);
  transition:color .2s,background .2s;position:relative;
}
.nav__links a:hover{color:var(--text);background:var(--primary-soft)}
.nav__links a[aria-current="page"]{color:var(--primary);font-weight:600}
.nav__tools{display:flex;align-items:center;gap:.4rem}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--border);
  background:var(--surface);color:var(--text-soft);display:grid;place-items:center;cursor:pointer;
  transition:.2s;flex:none;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-1px)}
.icon-btn svg{width:19px;height:19px}
.theme-toggle .moon{display:none}
[data-theme="dark"] .theme-toggle .sun{display:none}
[data-theme="dark"] .theme-toggle .moon{display:block}
.nav__burger{display:none}

/* mobile drawer */
.drawer{
  position:fixed;inset:var(--nav-h) 0 0 0;z-index:99;background:var(--bg);
  padding:2rem var(--gutter);transform:translateX(100%);transition:transform .4s var(--ease-out);
  display:flex;flex-direction:column;gap:.3rem;overflow:auto;
}
.drawer.open{transform:none}
.drawer a{font-family:var(--f-display);font-size:1.6rem;padding:.7rem 0;border-bottom:1px solid var(--hair)}
.drawer a[aria-current="page"]{color:var(--primary)}
@media(max-width:940px){
  .nav__links{display:none}
  .nav__burger{display:grid}
}

/* ---- 6. Buttons --------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;font-family:var(--f-body);font-weight:500;
  font-size:.95rem;padding:.8rem 1.5rem;border-radius:var(--r-pill);cursor:pointer;border:1px solid transparent;
  transition:.22s var(--ease);white-space:nowrap;
}
.btn svg{width:17px;height:17px}
.btn--primary{background:var(--primary);color:#fff}
.btn--primary:hover{background:var(--primary-2);transform:translateY(-2px);box-shadow:var(--shadow-md)}
[data-theme="dark"] .btn--primary{color:#04181a}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn--sm{padding:.5rem 1rem;font-size:.84rem}
.link-arrow{display:inline-flex;align-items:center;gap:.4rem;color:var(--primary);font-weight:500;font-size:.95rem}
.link-arrow svg{width:16px;transition:transform .2s}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---- 7. Cards / glass --------------------------------------------------- */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:clamp(20px,2.5vw,30px);transition:.3s var(--ease);position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.glass{
  background:var(--glass);border:1px solid var(--glass-brd);border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);
  box-shadow:var(--shadow-sm);
}
.card__tag{
  font-family:var(--f-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);font-weight:500;
}
.card h3{font-size:1.32rem;margin:.5rem 0 .6rem}
.card p{color:var(--text-soft);margin:0}
.card__topline{position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.card:hover .card__topline{transform:none}

/* ---- 8. Hero ------------------------------------------------------------ */
.hero{
  position:relative;min-height:calc(100vh - 0px);display:flex;align-items:center;
  padding-top:calc(var(--nav-h) + clamp(20px,5vw,50px));padding-bottom:clamp(40px,7vw,90px);
  overflow:hidden;
}
.hero__bg{position:absolute;inset:0;z-index:0;overflow:hidden;background:
  radial-gradient(1200px 760px at 84% 14%, var(--primary-soft), transparent 58%),
  radial-gradient(760px 560px at 12% 96%, rgba(196,113,40,.12), transparent 55%),
  linear-gradient(180deg, transparent, var(--bg-2));}
.hero__bg::before,.hero__bg::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none}
.hero__bg::before{width:44vmax;height:44vmax;left:52%;top:-18%;
  background:radial-gradient(circle,var(--primary) 0%,transparent 62%);opacity:.18;animation:drift1 26s var(--ease) infinite alternate}
.hero__bg::after{width:34vmax;height:34vmax;left:-10%;top:40%;
  background:radial-gradient(circle,var(--accent) 0%,transparent 64%);opacity:.12;animation:drift2 32s var(--ease) infinite alternate}
[data-theme="dark"] .hero__bg{background:
  radial-gradient(1200px 760px at 84% 14%, rgba(56,201,159,.14), transparent 58%),
  radial-gradient(760px 560px at 12% 96%, rgba(230,167,95,.10), transparent 55%),
  linear-gradient(180deg, transparent, #030f0b);}
[data-theme="dark"] .hero__bg::before{opacity:.24}
[data-theme="dark"] .hero__bg::after{opacity:.16}
@keyframes drift1{from{transform:translate(0,0) scale(1)}to{transform:translate(-6%,8%) scale(1.12)}}
@keyframes drift2{from{transform:translate(0,0) scale(1)}to{transform:translate(8%,-6%) scale(1.1)}}
.hero__grid{
  position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:linear-gradient(var(--hair) 1px,transparent 1px),linear-gradient(90deg,var(--hair) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 80%);
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 80%);
}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,5vw,64px);align-items:center;width:100%}
.hero__title{font-size:clamp(2.5rem,6vw,4.7rem);letter-spacing:-.028em;margin:0 0 1.3rem}
.hero__title .accentword{color:var(--primary);font-style:italic}
.hero__ctas{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:2rem}
.hero__meta{display:flex;gap:1.5rem;flex-wrap:wrap;margin-top:2.5rem;font-family:var(--f-mono);font-size:.78rem;color:var(--text-mute);letter-spacing:.04em}
.hero__meta b{color:var(--text);font-weight:500}
.hero__art{display:grid;place-items:center;min-height:340px}
@media(max-width:940px){
  .hero__inner{grid-template-columns:1fr}
  .hero__art{grid-row:1;max-width:320px;margin-inline:auto}
}

/* propeller signature */
.propeller{width:min(420px,80%);height:auto;filter:drop-shadow(0 12px 34px rgba(14,79,82,.22))}
.propeller .blade{transform-origin:200px 200px;animation:spin 46s linear infinite}
.propeller .ring{transform-origin:200px 200px;animation:spin 90s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.propeller .core{animation:pulse 6s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:.85}50%{opacity:.4}}

/* ---- 9. Stat counters --------------------------------------------------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2vw,24px)}
@media(max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{padding:1.4rem 1.2rem;border-left:2px solid var(--primary)}
.stat__num{font-family:var(--f-display);font-size:clamp(2.1rem,4vw,3rem);font-weight:600;line-height:1;color:var(--text)}
.stat__num .suffix{color:var(--accent);font-size:.7em}
.stat__label{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-mute);margin-top:.5rem}

/* ---- 10. Chromatogram divider (signature motif) ------------------------ */
.chromo{height:26px;width:100%;overflow:hidden;opacity:.8}
.chromo svg{width:100%;height:100%}

/* ---- 11. Publications --------------------------------------------------- */
.pub-controls{display:flex;gap:.8rem;flex-wrap:wrap;align-items:center;margin-bottom:2rem}
.search-box{flex:1;min-width:240px;display:flex;align-items:center;gap:.6rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);padding:.15rem .3rem .15rem 1rem}
.search-box svg{width:18px;color:var(--text-mute);flex:none}
.search-box input{flex:1;border:none;background:none;font-family:var(--f-body);font-size:.98rem;color:var(--text);padding:.7rem .4rem;outline:none}
.chip-row{display:flex;gap:.5rem;flex-wrap:wrap}
.chip{font-family:var(--f-mono);font-size:.76rem;letter-spacing:.04em;padding:.42rem .9rem;border-radius:var(--r-pill);border:1px solid var(--border);background:var(--surface);color:var(--text-soft);cursor:pointer;transition:.2s}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}
[data-theme="dark"] .chip.active{color:#04181a}
.pub{display:grid;grid-template-columns:auto 1fr auto;gap:1.2rem;padding:1.5rem 0;border-bottom:1px solid var(--hair);align-items:start}
.pub__year{font-family:var(--f-mono);font-size:.95rem;color:var(--accent);font-weight:500;padding-top:.2rem}
.pub__title{font-family:var(--f-display);font-size:1.2rem;font-weight:600;margin:0 0 .35rem;line-height:1.25}
.pub__authors{font-size:.92rem;color:var(--text-soft);margin:0 0 .3rem}
.pub__authors .me{color:var(--primary);font-weight:600}
.pub__venue{font-family:var(--f-mono);font-size:.8rem;color:var(--text-mute)}
.pub__venue .status{color:var(--accent);text-transform:uppercase;letter-spacing:.08em;font-size:.72rem}
.pub__actions{display:flex;gap:.4rem;flex-wrap:wrap;justify-content:flex-end}
.pub__actions .btn--sm{border:1px solid var(--border)}
@media(max-width:720px){.pub{grid-template-columns:1fr;gap:.5rem}.pub__actions{justify-content:flex-start}}
.pub-empty{padding:3rem 0;text-align:center;color:var(--text-mute);font-family:var(--f-mono)}

/* citation modal */
.modal-back{position:fixed;inset:0;z-index:200;background:rgba(6,20,24,.55);backdrop-filter:blur(4px);display:none;place-items:center;padding:1.5rem}
.modal-back.open{display:grid}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);max-width:560px;width:100%;padding:2rem;box-shadow:var(--shadow-lg)}
.modal h3{font-size:1.3rem;margin-bottom:1rem}
.modal pre{background:var(--surface-2);border:1px solid var(--hair);border-radius:var(--r-sm);padding:1rem;font-family:var(--f-mono);font-size:.82rem;white-space:pre-wrap;word-break:break-word;color:var(--text-soft);margin:0 0 1rem}

/* ---- 12. Timeline ------------------------------------------------------- */
.timeline{position:relative;margin-left:8px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--primary),var(--accent))}
.tl-item{position:relative;padding:0 0 2.2rem 2.4rem}
.tl-item::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:var(--surface);border:3px solid var(--primary)}
.tl-item:hover::before{background:var(--accent);border-color:var(--accent)}
.tl-date{font-family:var(--f-mono);font-size:.78rem;color:var(--accent);letter-spacing:.06em}
.tl-item h4{font-family:var(--f-display);font-size:1.15rem;margin:.25rem 0 .3rem}
.tl-item p{color:var(--text-soft);margin:0;font-size:.96rem}

/* ---- 13. Feature / project rows ---------------------------------------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.feature:nth-child(even) .feature__media{order:2}
@media(max-width:820px){.feature{grid-template-columns:1fr}.feature:nth-child(even) .feature__media{order:0}}
.feature__media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--border);background:var(--surface-2);aspect-ratio:4/3;display:grid;place-items:center}
.feature__num{font-family:var(--f-mono);font-size:.8rem;color:var(--accent);letter-spacing:.14em}

/* ---- 14. Blog / news cards --------------------------------------------- */
.post{display:flex;flex-direction:column;height:100%}
.post .card__tag{margin-bottom:.6rem}
.post time{font-family:var(--f-mono);font-size:.74rem;color:var(--text-mute);margin-top:auto;padding-top:1rem}
.post h3{font-size:1.24rem}
.news-row{display:grid;grid-template-columns:120px 1fr;gap:1.5rem;padding:1.6rem 0;border-bottom:1px solid var(--hair)}
.news-row time{font-family:var(--f-mono);font-size:.82rem;color:var(--accent)}
.news-row h3{font-size:1.2rem;margin:0 0 .4rem}
.news-row p{margin:0;color:var(--text-soft);font-size:.96rem}
@media(max-width:620px){.news-row{grid-template-columns:1fr;gap:.3rem}}

/* ---- 15. Gallery -------------------------------------------------------- */
.gallery{columns:3 260px;column-gap:16px}
.gallery figure{break-inside:avoid;margin:0 0 16px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--border);position:relative;cursor:pointer;background:var(--surface-2)}
.gallery figure img{transition:transform .5s var(--ease)}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;inset:auto 0 0 0;padding:1.4rem .9rem .7rem;font-size:.82rem;color:#fff;background:linear-gradient(transparent,rgba(6,20,24,.82));font-family:var(--f-mono);letter-spacing:.03em;opacity:0;transition:opacity .3s}
.gallery figure:hover figcaption{opacity:1}
.tile{aspect-ratio:1/1;display:grid;place-items:center;color:var(--text-mute)}

/* ---- 16. Resources / protocol list ------------------------------------- */
.res{display:grid;grid-template-columns:auto 1fr auto;gap:1.1rem;align-items:center;padding:1.2rem 1.3rem;border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface);transition:.25s;margin-bottom:.8rem}
.res:hover{border-color:var(--primary);transform:translateX(4px);box-shadow:var(--shadow-sm)}
.res__ico{width:44px;height:44px;border-radius:var(--r-sm);background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);flex:none}
.res__ico svg{width:22px}
.res h4{font-family:var(--f-display);font-size:1.08rem;margin:0 0 .15rem}
.res p{margin:0;font-size:.88rem;color:var(--text-mute)}
.res__meta{font-family:var(--f-mono);font-size:.72rem;color:var(--text-mute);white-space:nowrap}

/* ---- 17. Contact / forms ------------------------------------------------ */
.field{margin-bottom:1.1rem}
.field label{display:block;font-family:var(--f-mono);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-mute);margin-bottom:.45rem}
.field input,.field textarea{
  width:100%;padding:.85rem 1rem;border:1px solid var(--border);border-radius:var(--r-sm);
  background:var(--surface);color:var(--text);font-family:var(--f-body);font-size:1rem;transition:.2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.field textarea{resize:vertical;min-height:140px}
.form-note{font-size:.82rem;color:var(--text-mute)}
.contact-cards a{display:flex;align-items:center;gap:1rem;padding:1.1rem 1.3rem;border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface);transition:.25s;margin-bottom:.8rem}
.contact-cards a:hover{border-color:var(--primary);transform:translateX(4px)}
.contact-cards svg{width:22px;color:var(--primary);flex:none}
.contact-cards b{display:block;font-size:.98rem}
.contact-cards span{font-size:.85rem;color:var(--text-mute);font-family:var(--f-mono)}

/* ---- 18. CV ------------------------------------------------------------- */
.cv-entry{display:grid;grid-template-columns:180px 1fr;gap:1.5rem;padding:1.5rem 0;border-bottom:1px solid var(--hair)}
.cv-entry .when{font-family:var(--f-mono);font-size:.84rem;color:var(--accent)}
.cv-entry h4{font-family:var(--f-display);font-size:1.16rem;margin:0 0 .25rem}
.cv-entry .where{color:var(--text-soft);font-size:.95rem;margin:0 0 .5rem}
.cv-entry ul{margin:.4rem 0 0;padding-left:1.1rem;color:var(--text-soft);font-size:.94rem}
.cv-entry li{margin-bottom:.3rem}
@media(max-width:620px){.cv-entry{grid-template-columns:1fr;gap:.4rem}}
.skill-bars{display:grid;gap:1rem}
.skill-bar__top{display:flex;justify-content:space-between;font-size:.9rem;margin-bottom:.4rem}
.skill-bar__track{height:7px;border-radius:var(--r-pill);background:var(--hair);overflow:hidden}
.skill-bar__fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--accent));width:0;transition:width 1.1s var(--ease-out)}

/* ---- 19. Callout / CTA banner ------------------------------------------ */
.cta-banner{
  border-radius:var(--r-lg);padding:clamp(34px,5vw,64px);position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;
}
[data-theme="dark"] .cta-banner{background:linear-gradient(135deg,#0f353a,#0a262b);border:1px solid var(--border)}
.cta-banner h2{color:#fff;font-size:clamp(1.6rem,3.5vw,2.6rem);margin-bottom:.6rem;max-width:22ch}
.cta-banner p{color:rgba(255,255,255,.82);max-width:52ch}
.cta-banner .btn--primary{background:#fff;color:var(--primary)}
.cta-banner .btn--primary:hover{background:#f0f0f0}
.cta-banner__deco{position:absolute;right:-40px;top:-40px;opacity:.16;pointer-events:none}

/* ---- 20. Footer --------------------------------------------------------- */
.footer{background:var(--bg-2);border-top:1px solid var(--border);padding:clamp(48px,7vw,84px) 0 2rem}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem;margin-bottom:3rem}
@media(max-width:820px){.footer__grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer__grid{grid-template-columns:1fr}}
.footer h5{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-mute);margin:0 0 1.1rem;font-weight:500}
.footer a{display:block;color:var(--text-soft);font-size:.92rem;padding:.28rem 0;transition:.2s}
.footer a:hover{color:var(--primary)}
.footer__brand p{color:var(--text-mute);font-size:.92rem;max-width:34ch;margin-top:.8rem}
.footer__bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1.8rem;border-top:1px solid var(--hair);font-size:.82rem;color:var(--text-mute);font-family:var(--f-mono)}
.social{display:flex;gap:.5rem;margin-top:1.2rem}
.social a{width:38px;height:38px;border:1px solid var(--border);border-radius:50%;display:grid;place-items:center;padding:0}
.social a:hover{border-color:var(--primary);background:var(--primary-soft)}
.social svg{width:17px}

/* ---- 21. Page header (interior pages) ---------------------------------- */
.page-head{padding:calc(var(--nav-h) + clamp(48px,7vw,90px)) 0 clamp(30px,4vw,56px);position:relative;overflow:hidden}
.page-head__bg{position:absolute;inset:0;z-index:0;background:radial-gradient(800px 400px at 78% 10%,var(--primary-soft),transparent 60%)}
.page-head .wrap{position:relative;z-index:1}
.crumbs{font-family:var(--f-mono);font-size:.76rem;color:var(--text-mute);margin-bottom:1rem;letter-spacing:.04em}
.crumbs a:hover{color:var(--primary)}

/* ---- 22. Scroll-reveal -------------------------------------------------- */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}
[data-reveal-delay="4"]{transition-delay:.32s}

/* ---- 23. Misc ----------------------------------------------------------- */
.tagline-list{list-style:none;padding:0;margin:0}
.tagline-list li{padding:.7rem 0;border-bottom:1px solid var(--hair);display:flex;gap:.9rem;align-items:baseline;color:var(--text-soft)}
.tagline-list li::before{content:"›";color:var(--accent);font-family:var(--f-mono)}
.pill{display:inline-block;font-family:var(--f-mono);font-size:.72rem;padding:.3rem .75rem;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);letter-spacing:.04em;margin:.2rem .2rem 0 0}
.two-col-text{columns:2 320px;column-gap:2.4rem}
.two-col-text p{margin-bottom:1em}
@media(max-width:640px){.two-col-text{columns:1}}
.back-top{position:fixed;right:22px;bottom:22px;z-index:80;opacity:0;pointer-events:none;transition:.3s}
.back-top.show{opacity:1;pointer-events:auto}
.avatar{width:100%;aspect-ratio:1/1;border-radius:var(--r-lg);object-fit:cover;border:1px solid var(--border)}
.avatar-ph{width:100%;aspect-ratio:1/1;border-radius:var(--r-lg);border:1px solid var(--border);background:
  radial-gradient(circle at 50% 40%,var(--primary-soft),var(--surface-2));display:grid;place-items:center}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);z-index:300;
  background:var(--text);color:var(--bg);padding:.8rem 1.4rem;border-radius:var(--r-pill);font-size:.9rem;
  opacity:0;transition:.3s;box-shadow:var(--shadow-md)}
.toast.show{opacity:1;transform:translateX(-50%)}
.skip-link{position:absolute;left:-999px;top:8px;z-index:400;background:var(--primary);color:#fff;padding:.6rem 1rem;border-radius:var(--r-sm)}
.skip-link:focus{left:8px}


/* ===== 2026 vibrant refresh ===== */
body::before{
content:"";
position:fixed;inset:0;pointer-events:none;z-index:-1;
background:
radial-gradient(circle at 10% 15%, rgba(53,180,255,.12), transparent 35%),
radial-gradient(circle at 90% 10%, rgba(255,170,0,.12), transparent 30%),
radial-gradient(circle at 80% 80%, rgba(0,210,140,.10), transparent 30%),
linear-gradient(135deg,#eef8ff 0%,#eef7f2 45%,#fffaf0 100%);
}
.hero,.hero-home{
position:relative;
overflow:hidden;
background:linear-gradient(135deg,#0a463c,#0e6b78 45%,#4f46e5 100%);
color:white!important;
border-radius:0 0 28px 28px;
}
.hero::after,.hero-home::after{
content:"";
position:absolute;inset:0;
background:
radial-gradient(circle at 20% 30%, rgba(255,255,255,.18), transparent 20%),
radial-gradient(circle at 80% 20%, rgba(255,200,0,.15), transparent 20%);
animation:floatbg 12s ease-in-out infinite alternate;
}
@keyframes floatbg{from{transform:translateY(-10px)}to{transform:translateY(10px)}}
.card,.publication,.project,.news-card,.tile{
transition:.35s ease;
border:1px solid rgba(0,0,0,.05);
}
.card:hover,.publication:hover,.project:hover,.news-card:hover,.tile:hover{
transform:translateY(-8px) scale(1.02);
box-shadow:0 24px 48px rgba(0,0,0,.15);
}
.btn,.button{
background:linear-gradient(135deg,#0ea5a8,#2563eb);
color:#fff!important;
border:none;
}
.btn:hover,.button:hover{
filter:brightness(1.08);
box-shadow:0 10px 30px rgba(37,99,235,.3);
}
section:nth-of-type(even){
background:linear-gradient(180deg,transparent,#f8fbff);
}