/* Dr. Adel Al-Abbasi - generated by build.py. Theme: petroleum
   Do not edit this file directly; edit content/themes.json and re-run build.py. */

:root{
  --ink:#0f1a2b;
  --ink-soft:#4a5a70;
  --paper:#ffffff;
  --paper-alt:#f4f6f9;
  --line:#dde3ec;
  --accent:#b4884a;
  --accent-dark:#8f6a35;
  --deep:#0f1a2b;
  --deep-text:#e8edf5;
  --f-head:Georgia, 'Times New Roman', serif;
  --f-body:-apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --r:3px;
  --wrap:1140px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--f-body);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--f-head);line-height:1.2;letter-spacing:-0.01em;margin:0 0 .6em}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:600}
h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:600}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1.1em}
ul{margin:0 0 1.1em;padding-left:1.15em}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:780px}
.muted{color:var(--ink-soft)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:var(--accent);color:#fff;padding:10px 16px;z-index:99}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);
}
.head-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:var(--r);
  background:var(--deep);color:#fff;font-family:var(--f-head);font-size:1.3rem;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-family:var(--f-head);font-size:1.02rem;font-weight:600}
.brand-role{font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-soft)}

.site-nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.site-nav a{
  font-size:.86rem;color:var(--ink-soft);padding:6px 0;
  border-bottom:2px solid transparent;letter-spacing:.01em;
}
.site-nav a:hover{color:var(--ink);text-decoration:none;border-bottom-color:var(--line)}
.site-nav a.current{color:var(--ink);border-bottom-color:var(--accent);font-weight:600}

.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;padding:14px 28px;border-radius:var(--r);
  font-size:.9rem;font-weight:600;letter-spacing:.02em;border:1px solid transparent;
  transition:.18s;cursor:pointer;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-dark)}
.btn-light{background:var(--paper);color:var(--ink)}
.btn-light:hover{background:var(--paper-alt)}
.btn.wide{width:100%;text-align:center}

.arrow-link{font-weight:600;font-size:.92rem}
.arrow-link::after{content:" \2192";transition:.2s}
.arrow-link:hover::after{margin-left:4px}

/* ---------- hero ---------- */
.hero{background:var(--deep);color:var(--deep-text);padding:clamp(72px,11vw,132px) 0}
.hero h1{color:#fff;max-width:19ch}
.hero .lede{max-width:62ch;font-size:1.12rem;color:var(--deep-text);opacity:.88}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:2.2rem}
.hero-inner.has-photo{display:grid;grid-template-columns:1.45fr .85fr;gap:56px;align-items:center}
.hero-photo{margin:0}
.hero-photo img{
  width:100%;max-width:380px;aspect-ratio:4/5;object-fit:cover;object-position:center top;
  border-radius:var(--r);display:block;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 18px 50px rgba(0,0,0,.33);
}
.hero-photo figcaption{
  margin-top:14px;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);font-weight:700;
}
.eyebrow{
  font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:700;margin-bottom:1.1rem;
}
.hero .eyebrow{color:var(--accent)}
.lede{font-size:1.1rem;color:var(--ink-soft);max-width:66ch}

/* ---------- page head ---------- */
.page-head{padding:clamp(56px,8vw,92px) 0 clamp(32px,4vw,48px);border-bottom:1px solid var(--line)}
.page-head.feature{background:var(--paper-alt);border-bottom:0}
.sub-title{font-family:var(--f-head);font-size:1.3rem;color:var(--ink-soft);margin-top:-.4em}

/* ---------- figures ---------- */
.figures{background:var(--paper-alt);border-bottom:1px solid var(--line)}
.fig-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:44px 24px}
.fig-grid.inline{padding:0;margin-top:1rem}
.fig-val{font-family:var(--f-head);font-size:2.2rem;color:var(--accent-dark);margin:0 0 .2em;line-height:1}
.fig-lab{font-size:.86rem;color:var(--ink-soft);margin:0}

/* ---------- blocks ---------- */
.block{padding:clamp(52px,7vw,88px) 0}
.block.alt{background:var(--paper-alt)}
.section-tag{
  font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:700;margin-bottom:1rem;
}
.h-lg{max-width:22ch;margin-bottom:1.6rem}
.big-para{font-size:1.06rem;max-width:70ch}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:1.5rem}

.clean-list{list-style:none;padding:0;margin:0}
.clean-list li{padding:11px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.clean-list li:last-child{border-bottom:0}

.tick-list{list-style:none;padding:0;margin:1rem 0 0}
.tick-list li{position:relative;padding:7px 0 7px 26px;font-size:.95rem}
.tick-list li::before{
  content:"";position:absolute;left:0;top:16px;width:9px;height:9px;
  border-radius:50%;background:var(--accent);
}
.tick-list.large li{font-size:1.03rem;padding:11px 0 11px 30px}
.tick-list.large li::before{top:21px}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.card{
  display:block;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r);padding:28px;color:var(--ink);transition:.2s;
}
.card:hover{text-decoration:none;border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 26px rgba(0,0,0,.06)}
.card h3{margin-bottom:.5em}
.card p{font-size:.93rem;color:var(--ink-soft);margin:0}
.plain-card h3{margin-bottom:.5em}
.plain-card p{font-size:.95rem;color:var(--ink-soft);margin:0}

/* ---------- projects ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:34px}
.proj-grid.full{grid-template-columns:repeat(2,1fr);gap:26px;margin-top:2rem}
.proj.bordered{border:1px solid var(--line);border-radius:var(--r);padding:30px;background:var(--paper)}
.proj h2,.proj h3{margin-bottom:.3em}
.proj h2{font-size:1.25rem}
.proj-meta{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.7em}
.proj-role{font-size:.86rem;color:var(--accent-dark);font-weight:600;margin-bottom:.9em}
.proj p{font-size:.95rem}

.tabs{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:14px}
.tab{
  background:none;border:1px solid var(--line);border-radius:var(--r);
  padding:9px 18px;font-size:.86rem;font-family:inherit;color:var(--ink-soft);cursor:pointer;transition:.18s;
}
.tab:hover{border-color:var(--accent)}
.tab.active{background:var(--deep);border-color:var(--deep);color:#fff;font-weight:600}

/* ---------- services ---------- */
.svc-list{display:flex;flex-direction:column;gap:0}
.svc{display:grid;grid-template-columns:340px 1fr;gap:48px;padding:44px 0;border-top:1px solid var(--line)}
.svc:first-child{border-top:0;padding-top:0}
.svc-head{display:flex;gap:16px;align-items:flex-start}
.svc-num{font-family:var(--f-head);font-size:.95rem;color:var(--accent);padding-top:.35em}
.svc h2{font-size:1.4rem;margin:0}
.svc-summary{font-size:1.04rem;color:var(--ink);font-weight:500}
.svc-body p{color:var(--ink-soft)}
.svc-body .svc-summary{color:var(--ink)}

/* ---------- timeline ---------- */
.timeline{margin-top:1.8rem}
.tl-item{display:grid;grid-template-columns:280px 1fr;gap:40px;padding:26px 0;border-top:1px solid var(--line)}
.tl-org{font-size:.86rem;letter-spacing:.04em;color:var(--accent-dark);font-weight:600;padding-top:.2em}
.tl-body h3{margin-bottom:.35em}
.tl-body p{margin:0;color:var(--ink-soft);font-size:.95rem}

.book-head{display:grid;grid-template-columns:1.5fr .8fr;gap:56px;align-items:center}
.cover-figure{margin:0}
.cover-figure img,.cover-link img{
  width:100%;max-width:300px;height:auto;display:block;border-radius:2px;
  box-shadow:0 20px 48px rgba(0,0,0,.34);border:1px solid rgba(255,255,255,.1);
}
.book-teaser{display:grid;grid-template-columns:230px 1fr;gap:44px;align-items:center;margin-top:1.5rem}
.cover-link{display:block;transition:.2s}
.cover-link:hover{transform:translateY(-3px)}
.book-teaser h2 .muted{font-size:.62em;display:block;margin-top:.25em}
.strapline{
  font-size:1.02rem;color:var(--ink-soft);max-width:60ch;
  margin:-.2em 0 1.1em;font-style:italic;
}
.numbered-list{counter-reset:n;list-style:none;padding:0;margin:1.5rem 0 0}
.numbered-list li{
  counter-increment:n;position:relative;padding:14px 0 14px 46px;
  border-top:1px solid var(--line);font-size:1rem;
}
.numbered-list li::before{
  content:counter(n,decimal-leading-zero);position:absolute;left:0;top:16px;
  font-family:var(--f-head);font-size:.92rem;color:var(--accent);font-weight:700;
}
.pull-quote{
  font-family:var(--f-head);font-size:1.28rem;line-height:1.5;color:var(--ink);
  border-left:3px solid var(--accent);padding-left:24px;margin:0;max-width:64ch;
}
.part{border-top:3px solid var(--accent);padding-top:20px}
.part .proj-meta{color:var(--accent-dark);font-weight:700}

.org-head{max-width:70ch;margin-bottom:.5rem}
.kv-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kv-strip p{margin:0}

/* ---------- articles ---------- */
.article{padding:44px 0;border-top:1px solid var(--line)}
.article:first-child{border-top:0;padding-top:0}
.article h2{max-width:26ch}
.article-summary{font-size:1.1rem;color:var(--ink-soft);font-style:italic;margin-bottom:1.6em}
.tags{margin-top:1.6rem;display:flex;flex-wrap:wrap;gap:8px}
.tags span{
  font-size:.72rem;letter-spacing:.05em;background:var(--paper-alt);
  border:1px solid var(--line);border-radius:var(--r);padding:5px 11px;color:var(--ink-soft);
}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:start}
.form .field{margin-bottom:20px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:block;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);font-weight:600;margin-bottom:7px}
.form input,.form select,.form textarea{
  width:100%;padding:13px 15px;font-family:inherit;font-size:.97rem;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r);transition:.16s;
}
.form input:focus,.form select:focus,.form textarea:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,0,0,.05);
}
.form textarea{resize:vertical;min-height:130px}
.form-note{font-size:.85rem;color:var(--ink-soft);margin-top:14px}
.contact-side{display:flex;flex-direction:column;gap:18px}
.side-card{border:1px solid var(--line);border-radius:var(--r);padding:24px;background:var(--paper-alt)}
.side-card p:last-child{margin-bottom:0}
.big-link{font-family:var(--f-head);font-size:1.12rem;word-break:break-word;margin-bottom:.4em}

.legal h2{font-size:1.25rem;margin-top:2.4em}
.legal h2:first-child{margin-top:0}
.legal p{color:var(--ink-soft);font-size:.98rem}

/* ---------- cta + footer ---------- */
.cta-band{background:var(--accent);color:#fff;padding:52px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:.3em}
.cta-band p{margin:0;opacity:.92;max-width:56ch}

.site-foot{background:var(--deep);color:var(--deep-text);padding:60px 0 0}
.foot-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:44px}
.site-foot a{color:var(--deep-text);opacity:.82}
.site-foot a:hover{opacity:1}
.foot-name{font-family:var(--f-head);font-size:1.15rem;margin-bottom:.2em}
.foot-sub{font-size:.9rem;opacity:.72;margin:0 0 .3em}
.foot-label{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:.9em}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{margin-bottom:.5em;font-size:.9rem}
.site-foot .foot-col p{font-size:.92rem}
.foot-bar{border-top:1px solid rgba(255,255,255,.14);padding-top:22px;padding-bottom:22px}
.foot-bar p{margin:0;font-size:.82rem;opacity:.6}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .nav-toggle{display:block}
  .site-nav{
    display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);
    border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(0,0,0,.07);
  }
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;gap:0;padding:8px 24px 20px}
  .site-nav li{border-bottom:1px solid var(--line)}
  .site-nav li:last-child{border-bottom:0}
  .site-nav a{display:block;padding:14px 0;font-size:.95rem;border-bottom:0}
  .site-nav a.current{border-bottom:0}

  .book-head{grid-template-columns:1fr;gap:32px}
  .cover-figure{order:-1}
  .cover-figure img{max-width:200px}
  .book-teaser{grid-template-columns:1fr;gap:24px}
  .cover-link img{max-width:190px}
  .hero-inner.has-photo{grid-template-columns:1fr;gap:36px}
  .hero-photo{order:-1}
  .hero-photo img{max-width:230px}
  .hero-photo figcaption{display:none}
  .fig-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .two-col,.card-grid,.card-grid.three,.proj-grid,.proj-grid.full,.contact-grid{grid-template-columns:1fr;gap:26px}
  .svc,.tl-item{grid-template-columns:1fr;gap:16px}
  .kv-strip{grid-template-columns:repeat(2,1fr)}
  .foot-inner{grid-template-columns:1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  body{font-size:16px}
  .field-row{grid-template-columns:1fr}
  .fig-grid{grid-template-columns:1fr}
  .brand-role{display:none}
}
@media print{
  .site-head,.cta-band,.nav-toggle,.tabs{display:none}
  body{font-size:12pt}
}