/* =========================================================
   Dr. Mohamad Izani — personal academic site
   Theme: modern academic (navy / slate, serif display)
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,600;8..60,700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --ink:#0f1b2d;
  --navy:#1b3a5c;
  --navy-2:#254c76;
  --accent:#c29a4a;          /* muted gold hairline accent */
  --accent-soft:#e9dcbf;
  --text:#33404f;
  --muted:#64748b;
  --line:#e5e9f0;
  --bg:#ffffff;
  --bg-alt:#f6f8fb;
  --bg-navy:#12263d;
  --card:#ffffff;
  --shadow:0 1px 2px rgba(16,27,45,.06),0 8px 24px rgba(16,27,45,.06);
  --radius:14px;
  --maxw:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Source Serif 4',Georgia,serif;color:var(--ink);line-height:1.2;font-weight:600}
a{color:var(--navy-2);text-decoration:none}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Navbar ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.brand{font-family:'Source Serif 4',serif;font-weight:700;font-size:1.12rem;color:var(--ink);letter-spacing:.2px;display:flex;align-items:center;gap:10px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);display:inline-block}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{
  color:var(--text);font-size:.94rem;font-weight:500;
  padding:8px 14px;border-radius:8px;transition:.2s;
}
.nav-links a:hover{background:var(--bg-alt);color:var(--navy)}
.nav-links a.active{color:var(--navy);background:var(--bg-alt)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;font-size:1.4rem;color:var(--ink)}
.nav-links .nav-a{color:var(--text);font-size:.94rem;font-weight:500;padding:8px 13px;border-radius:8px;transition:.2s}
.nav-links .nav-a:hover{background:var(--bg-alt);color:var(--navy)}
.nav-links .nav-a.active{color:var(--navy);background:var(--bg-alt)}

/* dropdown */
.nav-item.has-drop{position:relative}
.drop-toggle{
  font-family:inherit;font-size:.94rem;font-weight:500;cursor:pointer;
  background:none;border:none;color:var(--text);
  padding:8px 13px;border-radius:8px;transition:.2s;display:inline-flex;align-items:center;gap:5px;
}
.drop-toggle:hover{background:var(--bg-alt);color:var(--navy)}
.drop-toggle.active{color:var(--navy);background:var(--bg-alt)}
.drop-toggle .caret{font-size:.7rem;opacity:.7}
.drop-menu{
  position:absolute;top:calc(100% + 6px);left:0;min-width:180px;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  box-shadow:var(--shadow);padding:6px;display:none;z-index:60;
}
.nav-item.has-drop:hover .drop-menu,.nav-item.has-drop.open .drop-menu{display:block}
.drop-menu a{display:block;padding:9px 12px;border-radius:7px;color:var(--text);font-size:.92rem;font-weight:500}
.drop-menu a:hover{background:var(--bg-alt);color:var(--navy)}
.drop-menu a.active{color:var(--navy);background:var(--bg-alt)}

@media(max-width:1000px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:8px 16px 16px;box-shadow:var(--shadow);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links .nav-a,.drop-toggle{padding:12px 10px;border-radius:8px;width:100%;justify-content:space-between}
  .nav-item.has-drop{width:100%}
  .drop-menu{position:static;box-shadow:none;border:none;border-radius:0;padding:0 0 4px 12px;display:none}
  .nav-item.has-drop.open .drop-menu{display:block}
  .nav-item.has-drop:hover .drop-menu{display:none}
  .nav-item.has-drop.open .drop-menu{display:block}
}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--bg-alt),#fff);border-bottom:1px solid var(--line)}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:64px 24px 56px;display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:center}
.hero-photo{width:220px;height:220px;border-radius:50%;object-fit:cover;border:5px solid #fff;box-shadow:var(--shadow);background:var(--bg-alt)}
.hero h1{font-size:2.55rem;margin-bottom:6px;letter-spacing:-.5px}
.hero .role{font-size:1.06rem;color:var(--navy);font-weight:500;margin-bottom:14px}
.hero .role .bar{color:var(--accent);margin:0 8px}
.hero .lead{color:var(--muted);max-width:52ch;margin-bottom:22px}
.hero .accent-line{width:54px;height:3px;background:var(--accent);border-radius:2px;margin:0 0 18px}
.stat-row{display:flex;flex-wrap:wrap;gap:26px;margin-top:20px}
.stat{display:flex;flex-direction:column}
.stat .num{font-family:'Source Serif 4',serif;font-size:1.5rem;font-weight:700;color:var(--ink)}
.stat .lbl{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.85rem;font-weight:500;color:var(--navy);
  background:#fff;border:1px solid var(--line);
  padding:7px 13px;border-radius:999px;transition:.2s;
}
.chip:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}

@media(max-width:720px){
  .hero-inner{grid-template-columns:1fr;text-align:center;gap:26px;padding:44px 24px}
  .hero-photo{margin:0 auto;width:170px;height:170px}
  .hero .accent-line{margin-left:auto;margin-right:auto}
  .hero .lead{margin-left:auto;margin-right:auto}
  .stat-row,.chips{justify-content:center}
  .hero h1{font-size:2.1rem}
}

/* ---------- Sections ---------- */
section{padding:64px 0}
section.alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:34px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.sec-eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block}
.sec-head h2{font-size:1.9rem}
.sec-head p{color:var(--muted);margin-top:8px;max-width:64ch}

.page-head{background:var(--bg-navy);color:#eef3f9;padding:56px 0 48px;border-bottom:3px solid var(--accent)}
.page-head .sec-eyebrow{color:var(--accent-soft)}
.page-head .sec-eyebrow::before{background:var(--accent-soft)}
.page-head h1{color:#fff;font-size:2.3rem}
.page-head p{color:#b9c6d6;margin-top:10px;max-width:66ch}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:20px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){.grid.two,.grid.three{grid-template-columns:1fr}}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:.22s;
}
.card:hover{transform:translateY(-3px);border-color:#d5deea;box-shadow:0 10px 30px rgba(16,27,45,.10)}
.card h3{font-size:1.14rem;margin-bottom:6px}
.card .meta{font-size:.82rem;color:var(--muted);margin-bottom:12px}
.card p{color:var(--text);font-size:.95rem}

/* ---------- Timeline (experience / education) ---------- */
.timeline{position:relative;margin-left:8px;padding-left:28px;border-left:2px solid var(--line)}
.tl-item{position:relative;padding:0 0 30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-36px;top:4px;width:12px;height:12px;border-radius:50%;background:#fff;border:2.5px solid var(--accent)}
.tl-item .yr{font-size:.82rem;font-weight:600;color:var(--accent);letter-spacing:.03em}
.tl-item h3{font-size:1.08rem;margin:2px 0 2px}
.tl-item .org{font-size:.92rem;color:var(--navy);font-weight:500}
.tl-item p{font-size:.92rem;color:var(--muted);margin-top:6px}

/* ---------- Skills ---------- */
.skill-block{margin-bottom:18px}
.skill-block h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:10px}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:.85rem;background:var(--bg-alt);border:1px solid var(--line);color:var(--text);padding:6px 12px;border-radius:8px}

/* ---------- Lists (awards, editorial) ---------- */
.list{list-style:none}
.list li{position:relative;padding:12px 0 12px 26px;border-bottom:1px solid var(--line);font-size:.96rem}
.list li:last-child{border-bottom:none}
.list li::before{content:"";position:absolute;left:0;top:19px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.q-tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.04em;color:#fff;background:var(--navy);padding:2px 8px;border-radius:6px;margin-left:8px;vertical-align:middle}
.q-tag.q1{background:#1a7a4c}
.q-tag.q2{background:#2563a8}
.q-tag.q3{background:#8a6d1f}
.q-tag.q4{background:#7a7f88}

/* ---------- Publications ---------- */
.pub-filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.pub-filter button{
  font-family:inherit;font-size:.86rem;font-weight:500;cursor:pointer;
  background:#fff;border:1px solid var(--line);color:var(--text);
  padding:8px 16px;border-radius:999px;transition:.2s;
}
.pub-filter button:hover{border-color:var(--accent);color:var(--accent)}
.pub-filter button.active{background:var(--navy);border-color:var(--navy);color:#fff}
.pub-year{font-family:'Source Serif 4',serif;font-size:1.35rem;color:var(--ink);font-weight:700;margin:30px 0 12px;padding-bottom:6px;border-bottom:2px solid var(--line)}
.pub-year:first-of-type{margin-top:0}
.pub{padding:15px 0;border-bottom:1px solid var(--line);display:flex;gap:14px}
.pub:last-child{border-bottom:none}
.pub .marker{flex:0 0 auto;width:6px;border-radius:3px;background:var(--accent-soft)}
.pub .body{flex:1}
.pub .authors{color:var(--text);font-size:.95rem}
.pub .title{color:var(--ink);font-weight:600;font-size:.98rem}
.pub .venue{color:var(--muted);font-size:.9rem;font-style:italic}
.pub .badges{margin-top:5px;display:flex;flex-wrap:wrap;gap:6px}
.badge{font-size:.7rem;font-weight:600;letter-spacing:.03em;padding:2px 8px;border-radius:6px;border:1px solid var(--line);color:var(--muted);background:var(--bg-alt)}
.badge.type{color:var(--navy);border-color:#cfe}
.hidden{display:none!important}

/* ---------- Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:860px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.gallery{grid-template-columns:1fr}}
.gitem{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/3;background:var(--bg-alt);border:1px solid var(--line);
  cursor:pointer;box-shadow:var(--shadow);
}
.gitem img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gitem:hover img{transform:scale(1.06)}
.gitem .ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--muted);background:linear-gradient(135deg,#eef2f8,#e3e9f2)}
.gitem .ph svg{width:34px;height:34px;opacity:.5}
.gitem .cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 14px 12px;color:#fff;font-size:.86rem;font-weight:500;
  background:linear-gradient(180deg,transparent,rgba(15,27,45,.82));
}
.gitem .cap .loc{display:block;font-size:.74rem;opacity:.85;font-weight:400}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(9,16,28,.9);display:none;align-items:center;justify-content:center;z-index:100;padding:24px}
.lb.open{display:flex}
.lb img{max-width:90vw;max-height:82vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb .cap{position:absolute;bottom:26px;color:#dfe7f0;font-size:.95rem;text-align:center;width:100%}
.lb .close{position:absolute;top:20px;right:26px;color:#fff;font-size:2rem;cursor:pointer;line-height:1;background:none;border:none}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.info-row{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:none}
.info-row .ico{flex:0 0 42px;height:42px;width:42px;border-radius:10px;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;color:var(--navy)}
.info-row .ico svg{width:20px;height:20px}
.info-row .k{font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.info-row .v{font-size:1rem;color:var(--ink);font-weight:500;word-break:break-word}
.form label{display:block;font-size:.82rem;font-weight:600;color:var(--ink);margin:14px 0 6px}
.form input,.form textarea{
  width:100%;font-family:inherit;font-size:.95rem;color:var(--ink);
  padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:.2s;
}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(27,58,92,.1)}
.form textarea{min-height:130px;resize:vertical}
.btn{
  display:inline-flex;align-items:center;gap:9px;cursor:pointer;
  font-family:inherit;font-size:.95rem;font-weight:600;
  background:var(--navy);color:#fff;border:none;
  padding:12px 24px;border-radius:10px;margin-top:18px;transition:.2s;
}
.btn:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn.ghost{background:#fff;color:var(--navy);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);background:#fff}

/* ---------- CTA banner ---------- */
.cta{background:var(--bg-navy);color:#fff;text-align:center;padding:56px 24px;border-radius:0}
.cta h2{color:#fff;font-size:1.7rem}
.cta p{color:#b9c6d6;margin:10px auto 22px;max-width:52ch}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:#aeb9c6;padding:44px 0 30px;font-size:.9rem}
.foot-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;align-items:center}
.foot-links{display:flex;flex-wrap:wrap;gap:18px}
.foot-links a{color:#c7d1dd}
.foot-links a:hover{color:var(--accent)}
footer .copy{width:100%;border-top:1px solid rgba(255,255,255,.08);margin-top:24px;padding-top:18px;color:#7d8a99;font-size:.82rem}

/* utilities */
.center{text-align:center}
.mt0{margin-top:0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media(max-width:820px){.two-col{grid-template-columns:1fr}}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Group heading (portfolio sections) ---------- */
.group-head{display:flex;align-items:baseline;gap:12px;margin:44px 0 18px}
.group-head:first-of-type{margin-top:0}
.group-head h3{font-size:1.35rem;color:var(--ink)}
.group-head .count{font-size:.82rem;color:var(--muted)}
.group-head::after{content:"";flex:1;height:1px;background:var(--line)}

/* ---------- Blog ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media(max-width:820px){.blog-grid{grid-template-columns:1fr}}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.22s;
}
.post-card:hover{transform:translateY(-3px);box-shadow:0 12px 34px rgba(16,27,45,.12);border-color:#d5deea}
.post-thumb{height:150px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Source Serif 4',serif;font-size:1.05rem;font-weight:600;text-align:center;padding:16px}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-body .cat{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.post-body h3{font-size:1.18rem;line-height:1.3;margin-bottom:8px}
.post-body h3 a{color:var(--ink)}
.post-body h3 a:hover{color:var(--navy)}
.post-body p{font-size:.94rem;color:var(--muted);flex:1}
.post-body .foot{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:.82rem;color:var(--muted)}
.post-body .read{color:var(--navy);font-weight:600}

/* ---------- Article (single post) ---------- */
.article{max-width:760px;margin:0 auto;padding:56px 24px 20px}
.article .kicker{font-size:.74rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.article h1{font-size:2.2rem;line-height:1.18;margin-bottom:14px;letter-spacing:-.4px}
.article .byline{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:var(--muted);font-size:.9rem;padding-bottom:22px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.article .byline .sep{opacity:.5}
.article p{margin:0 0 20px;font-size:1.05rem;line-height:1.75;color:#2c3745}
.article h2{font-size:1.45rem;margin:34px 0 12px}
.article h3{font-size:1.15rem;margin:26px 0 10px}
.article ul,.article ol{margin:0 0 20px 22px}
.article li{margin-bottom:8px;font-size:1.05rem;line-height:1.7}
.article blockquote{margin:26px 0;padding:6px 22px;border-left:3px solid var(--accent);color:var(--ink);font-family:'Source Serif 4',serif;font-size:1.15rem;font-style:italic}
.article .lede{font-size:1.2rem;line-height:1.6;color:var(--ink)}
.post-nav{max-width:760px;margin:10px auto 0;padding:24px;display:flex;justify-content:space-between;gap:14px;border-top:1px solid var(--line)}

/* ---------- Testimonials ---------- */
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);position:relative}
.quote-card::before{content:"\201C";position:absolute;top:6px;left:18px;font-family:'Source Serif 4',serif;font-size:3.4rem;color:var(--accent-soft);line-height:1}
.quote-card p{position:relative;font-size:1rem;color:#2c3745;line-height:1.65;margin-bottom:16px;padding-top:14px}
.quote-card .who{display:flex;align-items:center;gap:12px}
.quote-card .avatar{width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Source Serif 4',serif;font-weight:700;font-size:1rem;flex:0 0 auto}
.quote-card .who .n{font-weight:600;color:var(--ink);font-size:.94rem}
.quote-card .who .r{font-size:.82rem;color:var(--muted)}

/* ---------- Feature list (training offerings) ---------- */
.feature{display:flex;gap:14px;align-items:flex-start}
.feature .fi{flex:0 0 44px;height:44px;width:44px;border-radius:11px;background:var(--bg-alt);color:var(--navy);display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.feature h3{font-size:1.06rem;margin-bottom:4px}
.feature p{font-size:.92rem;color:var(--muted)}

/* ---------- Note / callout ---------- */
.note{background:var(--bg-alt);border:1px dashed #cdd7e4;border-radius:var(--radius);padding:18px 20px;font-size:.92rem;color:var(--muted)}
.note code{background:#fff;border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:.85em;color:var(--navy)}