/* ============ Theme tokens ============ */
:root{
  --bg:#FFFFFF;
  --surface:#FFFFFF;
  --surface-alt:#F0EEE8;
  --border:rgba(20,20,20,.1);
  --text:#15181A;
  --text-muted:#666F73;
  --accent:#C97C1B;
  --accent-2:#2F8F86;
  --radius:8px;
  --max:1120px;
  --font-head:'Space Grotesk',sans-serif;
  --font-body:'IBM Plex Sans',sans-serif;
}

[data-theme="dark"]{
  --bg:#0E1416;
  --surface:#1E2629;
  --surface-alt:#0A0F11;
  --border:rgba(255,255,255,.09);
  --text:#ECEEEE;
  --text-muted:#93A0A3;
  --accent:#E7A33E;
  --accent-2:#4FB3A9;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  transition:background .25s ease,color .25s ease;
}

[dir="rtl"] body{font-family:var(--font-body)}

h1,h2,h3{font-family:var(--font-head);font-weight:600;line-height:1.15;margin:0 0 .5em}
h2{font-size:clamp(1.5rem,2.6vw,1.9rem);letter-spacing:-.01em}
h3{font-size:1.1rem}
p{margin:0 0 1em}
a{color:var(--accent-2)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip-link{position:fixed;inset-inline-start:-999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;z-index:400;text-decoration:none;border-radius:0 0 6px 0}
.skip-link:focus{inset-inline-start:16px;top:16px}

/* ============ Header ============ */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-pinned{
  position:fixed;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--border);
  animation:headerSlideDown .25s ease;
}
.site-header.is-pinned ~ main{padding-top:64px}
@keyframes headerSlideDown{from{transform:translateY(-100%)}to{transform:translateY(0)}}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.logo{font-family:var(--font-head);font-weight:600;font-size:1.05rem;color:var(--text);text-decoration:none;white-space:nowrap}
.nav-desktop{display:flex;align-items:center;gap:26px}
.nav-desktop a{color:var(--text-muted);text-decoration:none;font-size:.92rem;position:relative;padding-bottom:3px}
.nav-desktop a:hover{color:var(--text)}
.nav-desktop a.is-active{color:var(--text)}
.nav-desktop a.is-active::after{
  content:'';position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent-2);
}
.nav-cta{color:#fff !important;background:var(--accent);padding:7px 15px;border-radius:6px}
.nav-cta:hover{opacity:.9}
.nav-cta.is-active{box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent)}
.nav-cta.is-active::after{content:none}

.header-controls{display:flex;align-items:center;gap:14px}

.lang-switch{display:flex;border:1px solid var(--border);border-radius:6px;overflow:hidden}
.lang-btn{
  background:none;border:0;color:var(--text-muted);font-family:var(--font-body);
  font-size:.75rem;font-weight:600;padding:6px 9px;cursor:pointer;letter-spacing:.02em;
}
.lang-btn + .lang-btn{border-left:1px solid var(--border)}
.lang-btn.is-active{background:var(--accent);color:#fff}

.theme-toggle{
  background:none;border:1px solid var(--border);border-radius:6px;
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  color:var(--text);cursor:pointer;
}
.theme-toggle .icon-moon{display:none}
[data-theme="dark"] .theme-toggle .icon-sun{display:none}
[data-theme="dark"] .theme-toggle .icon-moon{display:block}

/* Hamburger */
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;background:none;border:0;width:34px;height:34px;cursor:pointer;position:relative;z-index:210}
.hamburger span{width:22px;height:2px;background:var(--text);transition:transform .3s ease,opacity .3s ease}
.hamburger.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-active span:nth-child(2){opacity:0}
.hamburger.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Fullscreen nav overlay */
.nav-overlay{
  position:fixed;inset:0;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .35s ease,transform .35s ease,visibility .35s;
  z-index:200;
}
.nav-overlay.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.nav-overlay nav{display:flex;flex-direction:column;align-items:center;gap:26px}
.nav-overlay a{font-family:var(--font-head);font-size:1.9rem;color:var(--text);text-decoration:none;font-weight:500}
.nav-overlay a:hover{color:var(--accent)}
.nav-overlay a.is-active{color:var(--accent)}
.nav-overlay-close{
  position:absolute;top:22px;inset-inline-end:24px;
  width:42px;height:42px;border-radius:50%;
  background:none;border:1px solid var(--border);color:var(--text);
  font-size:1.1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.nav-overlay-close:hover{background:var(--accent);color:#fff;border-color:var(--accent)}

@media (max-width:860px){
  .nav-desktop{display:none}
  .hamburger{display:flex}
}

/* ============ Hero ============ */
.hero{
  position:relative;padding:170px 0 90px;overflow:hidden;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 65%),
    var(--surface-alt);
  border-bottom:1px solid var(--border);
}
#swarm-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.28}
.hero-inner{position:relative;z-index:1}
.hero h1{font-size:clamp(2.1rem,5vw,3.1rem);margin-bottom:.35em}
.hero-sub{font-size:1.15rem;max-width:620px}
.hero-meta{color:var(--text-muted);font-size:.92rem;margin-bottom:2em}
.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}

.btn{display:inline-block;font-family:var(--font-body);font-weight:600;font-size:.94rem;padding:11px 22px;border-radius:6px;text-decoration:none;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{opacity:.9}
.link-quiet{color:var(--text-muted);text-decoration:underline;text-underline-offset:3px}
.link-quiet:hover{color:var(--text)}

/* ============ Sections ============ */
.section{padding:80px 0}
.section.alt{background:var(--surface-alt)}
.section-lead{color:var(--text-muted);margin-top:-.4em;margin-bottom:2em;max-width:560px}

/* About */
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:64px}
.about-text p{max-width:62ch}
.about-facts{margin:0;padding-top:2.4em}
.about-facts > div{padding:14px 0;border-top:1px solid var(--border)}
.about-facts dt{font-size:.78rem;color:var(--text-muted);margin-bottom:.3em}
.about-facts dd{margin:0}
@media (max-width:820px){.about-grid{grid-template-columns:1fr;gap:32px}}

/* Timeline */
.timeline{list-style:none;margin:2em 0 0;padding:0;border-left:2px solid var(--border);max-width:760px}
[dir="rtl"] .timeline{border-left:0;border-right:2px solid var(--border)}
.timeline li{position:relative;padding:0 0 36px 30px}
[dir="rtl"] .timeline li{padding:0 30px 36px 0}
.timeline li::before{content:'';position:absolute;left:-6px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--accent);border:2px solid var(--bg)}
[dir="rtl"] .timeline li::before{left:auto;right:-6px}
.timeline li:last-child{padding-bottom:0}
.tl-date{font-size:.82rem;color:var(--accent-2);font-weight:600;margin-bottom:.4em}
.timeline h3{margin-bottom:.6em}
.timeline ul{margin:0;padding-left:1.1em;color:var(--text-muted)}
[dir="rtl"] .timeline ul{padding-left:0;padding-right:1.1em}
.timeline li p{margin-bottom:0}

/* Skills */
.skills-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:34px 48px;margin-top:1.5em}
.skill-group h3{margin-bottom:.8em}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:.83rem;padding:6px 12px;border-radius:999px;border:1px solid var(--border);color:var(--text-muted)}
.chip-strong{color:var(--text);border-color:var(--accent-2)}
.certs{display:flex;flex-wrap:wrap;gap:12px;margin-top:2.4em;padding-top:2em;border-top:1px solid var(--border)}
.cert{font-size:.83rem;color:var(--accent);border:1px solid var(--accent);padding:6px 14px;border-radius:6px}
@media (max-width:700px){.skills-grid{grid-template-columns:1fr}}

/* ============ Card media / hover overlay ============ */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.card-media{position:relative;aspect-ratio:4/3;background:var(--surface-alt);overflow:hidden}
.card-media svg{width:100%;height:100%;display:block}
.cover-a{stroke:var(--accent)}
.cover-a-fill{fill:var(--accent)}
.cover-b{stroke:var(--accent-2)}
.cover-b-fill{fill:var(--accent-2)}
.cover-m{stroke:var(--border)}

.card-overlay{
  position:absolute;inset:0;
  background:color-mix(in srgb, var(--bg) 72%, transparent);
  display:flex;align-items:center;justify-content:center;gap:14px;
  opacity:0;transition:opacity .25s ease;
}
.card-media:hover .card-overlay,.card-media:focus-within .card-overlay{opacity:1}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  background:var(--bg);color:var(--text);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  text-decoration:none;transition:transform .2s ease,background .2s ease;
}
.icon-btn:hover{background:var(--accent);color:#fff;transform:scale(1.06)}
.icon-btn svg{width:18px;height:18px}

.card-body{padding:22px 24px;display:flex;flex-direction:column;flex-grow:1}
.card-body p{color:var(--text-muted);flex-grow:1}
.project-tag{font-size:.74rem;color:var(--accent-2);margin-bottom:.6em;letter-spacing:.02em}
.card-detail-link{align-self:flex-start;color:var(--accent);font-weight:600;font-size:.88rem;text-decoration:none;margin-top:.4em}
.card-detail-link:hover{text-decoration:underline}

/* Services grid */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:1em}
@media (max-width:980px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.card-grid{grid-template-columns:1fr}}

/* Projects filter + masonry */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px}
.filter-btn{
  background:none;border:1px solid var(--border);color:var(--text-muted);
  font-family:var(--font-body);font-size:.85rem;padding:7px 16px;border-radius:999px;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.filter-btn:hover{color:var(--text)}
.filter-btn.is-active{background:var(--accent);border-color:var(--accent);color:#fff}

.masonry{position:relative}
.masonry .project-card{width:100%;margin-bottom:22px}
@media (min-width:640px){.masonry .project-card{width:calc(50% - 11px)}}
@media (min-width:980px){.masonry .project-card{width:calc(33.333% - 15px)}}
.masonry .project-card.is-hidden{display:none}
.masonry-sizer{width:100%}
@media (min-width:640px){.masonry-sizer{width:calc(50% - 11px)}}
@media (min-width:980px){.masonry-sizer{width:calc(33.333% - 15px)}}

/* ============ Contact ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px}
.contact-list{list-style:none;margin:2em 0 0;padding:0}
.contact-list li{display:flex;flex-direction:column;padding:14px 0;border-top:1px solid var(--border)}
.contact-list span{font-size:.78rem;color:var(--text-muted)}
.contact-form{display:flex;flex-direction:column;gap:16px}
.contact-form label{display:flex;flex-direction:column;gap:6px;font-size:.88rem;color:var(--text-muted)}
.contact-form input,.contact-form textarea{
  font-family:var(--font-body);background:var(--bg);border:1.5px solid var(--border);
  border-radius:6px;color:var(--text);padding:11px 13px;font-size:.95rem;
  box-shadow:0 1px 2px rgba(0,0,0,.04);
}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--accent)}
.form-status{font-size:.88rem;color:var(--accent-2);min-height:1.2em}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr;gap:32px}}

/* ============ Footer ============ */
.site-footer{border-top:1px solid var(--border);padding:30px 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center;color:var(--text-muted);font-size:.88rem}
.footer-inner a{color:var(--text-muted)}

/* ============ Detail pages ============ */
.detail-hero{aspect-ratio:16/9;border-radius:var(--radius);margin-bottom:28px;border:1px solid var(--border)}
.detail-title{font-family:var(--font-head);font-size:2rem;margin-bottom:.6em}
.detail-body p{color:var(--text-muted);max-width:65ch}
.detail-pager{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:24px;border-top:1px solid var(--border)}
.detail-pager-link{display:flex;flex-direction:column;gap:4px;text-decoration:none;max-width:48%}
.detail-pager-next{text-align:end;align-items:flex-end;margin-inline-start:auto}
.detail-pager-label{font-size:.75rem;color:var(--text-muted)}
.detail-pager-title{color:var(--text);font-weight:600;font-size:.95rem}
.detail-pager-link:hover .detail-pager-title{color:var(--accent)}
.related-card{text-decoration:none;color:inherit;transition:transform .2s ease}
.related-card:hover{transform:translateY(-3px)}

/* Social links (footer) */
.social-links{display:flex;gap:14px}
.social-links a{
  color:var(--text-muted);width:32px;height:32px;border:1px solid var(--border);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.social-links a:hover{color:#fff;background:var(--accent);border-color:var(--accent)}
.social-links svg{width:15px;height:15px}
.preview-modal-content{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.preview-modal-close{position:absolute;top:14px;inset-inline-end:14px;z-index:5;background:var(--bg);border-radius:50%;padding:8px;opacity:1}
[data-theme="dark"] .preview-modal-close{filter:invert(1)}
#previewCarousel .lb-media{aspect-ratio:16/9;background:var(--surface-alt)}
#previewCarousel .lb-media svg{width:100%;height:100%;display:block}
#previewCarousel .lb-text{padding:24px 28px}
#previewCarousel .lb-text p{color:var(--text-muted)}
.carousel-control-prev,.carousel-control-next{width:52px}
.carousel-control-prev-icon,.carousel-control-next-icon{
  background-color:var(--bg);border-radius:50%;padding:18px;background-size:50%;
}

/* ============ Detail pages (service/project) — Jevelin-inspired ============ */
.detail-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:56px;align-items:start;margin-top:1.5em}
@media (max-width:860px){.detail-layout{grid-template-columns:1fr;gap:32px}}
.detail-visual{border-radius:var(--radius);overflow:hidden;background:var(--surface-alt);aspect-ratio:4/3}
.detail-visual svg{width:100%;height:100%;display:block}
.detail-side{display:flex;flex-direction:column;gap:18px}
.pager-switcher{display:flex;gap:10px}
.pager-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--text);
  text-decoration:none;font-size:1.2rem;line-height:1;
}
.pager-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.detail-side h1{font-family:var(--font-head);font-size:1.9rem;margin:0}
.detail-side .detail-body p{color:var(--text-muted)}
.detail-category{
  display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--text-muted);
  padding-top:16px;border-top:1px solid var(--border);
}
.detail-category svg{width:16px;height:16px;color:var(--accent);flex-shrink:0}

.related-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:1.5em}
@media (max-width:860px){.related-mini-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.related-mini-grid{grid-template-columns:1fr}}
.related-mini{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;display:block;background:var(--surface-alt)}
.related-mini svg{width:100%;height:100%;display:block}
.related-mini-overlay{
  position:absolute;inset:0;background:linear-gradient(to top, rgba(0,0,0,.75), transparent 60%);
  display:flex;align-items:flex-end;padding:16px;opacity:0;transition:opacity .25s ease;
}
.related-mini:hover .related-mini-overlay{opacity:1}
.related-mini-overlay span{color:#fff;font-weight:600;font-size:.92rem}