/* =============================================
   sections.css — Header, nav, section layouts and content blocks
   ============================================= */

/* header */
.hdr{text-align:center;padding:50px 0 40px;position:relative}
.hdr::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:100px;height:2px;background:var(--grad);border-radius:1px}
.avatar{width:110px;height:110px;border-radius:24px;background:var(--grad);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;font-size:42px;font-weight:700;color:#fff;position:relative;box-shadow:0 8px 32px var(--accent-g)}
.avatar::before,.avatar::after{content:'';position:absolute;inset:-4px;border-radius:27px;background:conic-gradient(from var(--aa,0deg),#38bdf8,#818cf8,#c084fc,#38bdf8);z-index:-1;animation:ar 4s linear infinite}
.avatar::after{filter:blur(12px);opacity:.4}
.nm{font-family:var(--fn);font-size:38px;font-weight:600;letter-spacing:-.02em;margin-bottom:8px;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.ttl{font-size:16px;font-weight:400;color:var(--txt2);letter-spacing:.05em;text-transform:uppercase;margin-bottom:20px}
.c-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.c-it{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);text-decoration:none;cursor:pointer;transition:opacity .2s}
.c-it:hover{color:var(--accent)}
.c-it svg{width:14px;height:14px}

/* nav — always visible */
.navbar{position:fixed;top:0;left:0;right:0;z-index:90;background:var(--nav-bg);backdrop-filter:blur(20px);border-bottom:1px solid var(--bdr)}
.nav-in{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;align-items:center;height:48px;gap:2px;overflow-x:auto;scrollbar-width:none}
.nav-in::-webkit-scrollbar{display:none}
.nav-a{padding:6px 12px;border-radius:8px;font-size:12px;font-weight:500;color:var(--muted);white-space:nowrap;cursor:pointer;border:none;background:none;font-family:var(--fn);transition:opacity .2s}
.nav-a:hover{color:var(--txt)}
.nav-a.on{color:var(--accent);background:var(--accent-g)}
.nav-a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* top controls */
.top-ctrl{position:fixed;top:58px;right:20px;z-index:100;display:flex;gap:8px;align-items:center}
.lang-tog{display:flex;gap:3px;background:var(--card);border:1px solid var(--bdr);border-radius:10px;padding:3px;backdrop-filter:blur(20px)}

/* sections */
.sec{margin-top:48px;opacity:0;transform:translateY(28px);transition:opacity .6s,transform .6s;will-change:opacity,transform}
.sec.rev{opacity:1;transform:translateY(0)}
.sec-t{font-family:var(--fn);font-size:22px;font-weight:600;margin-bottom:24px;display:flex;align-items:center;gap:12px}
.sec-t::before{content:'';width:4px;height:24px;background:var(--grad);border-radius:2px;flex-shrink:0}

/* summary */
.sum-w{border-radius:16px;padding:2px;background:linear-gradient(var(--aa,0deg),#38bdf8,#818cf8,#c084fc,#38bdf8);animation:ar 6s linear infinite}
.sum{background:var(--card);border-radius:14px;padding:24px 28px;font-size:15px;line-height:1.8;color:var(--txt2)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;padding:28px 0;border-radius:16px;background:var(--cta-bg)}
.st-it{text-align:center;padding:16px 8px}
.st-n{font-size:40px;font-weight:700;font-family:var(--mono);background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}
.st-l{font-size:13px;color:var(--muted);margin-top:4px}

/* services */
.svc-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.svc-i{width:44px;height:44px;border-radius:12px;background:var(--accent-g);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--accent)}
.svc-i svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.8}
.svc-tt{font-size:15px;font-weight:600;color:var(--txt);margin-bottom:8px}
.svc-d{font-size:13px;color:var(--muted);line-height:1.6}

/* value props */
.val-g{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.val-emoji{font-size:32px;margin-bottom:12px}
.val-tt{font-size:15px;font-weight:600;color:var(--txt);margin-bottom:8px}
.val-d{font-size:13px;color:var(--muted);line-height:1.6}

/* skills */
.sk-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.sk-cat{background:var(--card);border:1px solid var(--bdr);border-radius:14px;padding:20px;transition:transform .3s,opacity .3s}
.sk-cat:hover{border-color:rgba(56,189,248,.2);background:var(--card-h);transform:translateY(-2px)}
.sk-h{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.sk-row{display:flex;justify-content:space-between;align-items:center;padding:5px 0;font-size:13px;color:var(--txt2)}
.sk-dots{display:flex;gap:4px}

/* tools */
.tool-g{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.tool-ic{font-size:24px;margin-bottom:6px}
.tool-nm{font-size:12px;font-weight:600;color:var(--txt)}
.tool-sub{font-size:10px;color:var(--muted);margin-top:2px}

/* timeline */
.tl{position:relative;padding-left:20px}
.tl::before{content:'';position:absolute;left:0;top:8px;bottom:8px;width:2px;background:linear-gradient(to bottom,var(--accent),var(--accent2),transparent);border-radius:1px}
.tl-it{background:var(--card);border:1px solid var(--bdr);border-radius:14px;padding:24px;margin-bottom:16px;transition:transform .3s,opacity .3s;position:relative}
.tl-it::before{content:'';position:absolute;left:-24px;top:28px;width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent-g)}
.tl-it:hover{border-color:rgba(56,189,248,.2);background:var(--card-h)}
.sec>.tl-it{margin-left:0}.sec>.tl-it::before{display:none}
.tl-hd{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px;flex-wrap:wrap;gap:8px}
.tl-r{font-size:17px;font-weight:600;color:var(--txt)}
.tl-co{font-size:14px;color:var(--accent);font-weight:500}
.tl-dt{font-size:12px;color:var(--muted);font-family:var(--mono);padding:3px 10px;background:var(--prog-bg);border-radius:6px;white-space:nowrap}
.tl-d{font-size:14px;color:var(--txt2);line-height:1.7}
.tl-d ul{list-style:none;margin-top:8px}
.tl-d li{padding:3px 0;position:relative;padding-left:16px}
.tl-d li::before{content:'\25B8';position:absolute;left:0;color:var(--accent);font-size:12px}
.tu{display:flex;flex-wrap:wrap;gap:5px;margin-top:12px}
.proj-link{display:inline-block;margin-top:12px;font-size:13px;font-weight:600;color:var(--accent);text-decoration:none;transition:opacity .2s}
.proj-link:hover{text-decoration:underline}

/* project color borders */
.proj-blue{border-left:3px solid #3b82f6}
.proj-purple{border-left:3px solid #8b5cf6}
.proj-green{border-left:3px solid #34d399}
.proj-amber{border-left:3px solid #f59e0b}

/* education */
.edu-i{width:44px;height:44px;border-radius:12px;background:var(--accent-g);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent)}
.edu-i svg{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.8}
.edu-t{font-size:16px;font-weight:600;color:var(--txt);margin-bottom:2px}
.edu-inst{font-size:13px;color:var(--accent);font-weight:500;margin-bottom:2px}
.edu-yr{font-size:12px;color:var(--muted);font-family:var(--mono)}

/* language bars */
.lang-it{margin-bottom:14px}
.lang-hd{display:flex;justify-content:space-between;font-size:13px;margin-bottom:6px}
.lang-nm{font-weight:600;color:var(--txt)}
.lang-lv{color:var(--muted)}
.lang-bar{width:100%;height:6px;background:var(--prog-bg);border-radius:3px;overflow:hidden}
.lang-fill{height:100%;width:100%;border-radius:3px;background:var(--grad);transform-origin:left;transform:scaleX(0);transition:transform 1.2s ease}

/* OSS */
.oss-hl{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.oss-st{background:var(--card);border:1px solid var(--bdr);border-radius:12px;padding:20px;text-align:center;transition:transform .3s,opacity .3s}
.oss-v{font-size:32px;font-weight:700;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.oss-l{font-size:12px;color:var(--muted);margin-top:4px}

/* heatmap */
.heatmap{display:flex;gap:3px;flex-wrap:wrap;margin-top:14px;padding:14px;background:var(--card);border:1px solid var(--bdr);border-radius:10px}
.hm-sq{width:10px;height:10px;border-radius:2px;background:var(--prog-bg);opacity:0;transition:opacity .3s}
.hm-1{background:rgba(52,211,153,.2)}.hm-2{background:rgba(52,211,153,.4)}.hm-3{background:rgba(52,211,153,.6)}.hm-4{background:rgba(52,211,153,.85)}

/* testimonials */
.test-g{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.test-q{font-size:40px;line-height:1;color:var(--accent);opacity:.15;font-family:Georgia,serif;margin-bottom:8px;user-select:none;pointer-events:none}
.test-stars{display:flex;gap:2px;margin-bottom:10px}
.test-stars svg{width:14px;height:14px;fill:var(--star)}
.test-txt{font-size:14.5px;color:var(--txt2);line-height:1.7;font-style:italic;margin-bottom:16px}
.test-au{display:flex;align-items:center;gap:10px}
.test-av{width:36px;height:36px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:#fff;flex-shrink:0}
.test-nm{font-size:13px;font-weight:600;color:var(--accent)}
.test-pj{font-size:11px;color:var(--muted)}

/* platforms */
.plat-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.plat-i{width:36px;height:36px;border-radius:10px;background:var(--grad);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px}
.plat-nm{font-size:14px;font-weight:500}
.plat-h{font-size:12px;color:var(--muted)}

/* CTA */
.cta{padding:48px 32px;border-radius:20px;text-align:center;background:var(--cta-bg);border:1px solid var(--bdr);margin-top:48px;position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 50%,var(--accent-g),transparent 60%);pointer-events:none}
.cta-t{font-family:var(--fn);font-size:28px;font-weight:600;margin-bottom:8px;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.cta-sub{font-size:15px;color:var(--txt2);margin-bottom:24px}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* contact form */
.contact-container{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.contact-info{padding:8px 0}
.contact-subtitle{font-size:15px;color:var(--txt2);line-height:1.7;margin-bottom:24px}
.contact-details{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.contact-detail-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:10px;background:var(--card);border:1px solid var(--bdr);text-decoration:none;color:var(--txt);font-size:13px;transition:transform .3s,opacity .3s}
.contact-detail-item:hover{border-color:var(--accent);transform:translateY(-2px)}
.contact-detail-item .contact-icon{width:36px;height:36px;border-radius:10px;background:var(--accent-g);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent)}
.contact-detail-item strong{display:block;font-size:12px;color:var(--muted);font-weight:500;margin-bottom:2px}
.contact-detail-item span{color:var(--txt2)}
.availability-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--green);font-weight:500}
.avail-dot{width:8px;height:8px;border-radius:50%;background:var(--green);animation:blink 2s infinite}
.contact-form-wrap{position:relative}
.form-card{background:var(--card);border:1px solid var(--bdr);border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:12px;font-weight:500;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.form-group input,.form-group select,.form-group textarea{font-family:var(--fn);font-size:14px;padding:12px 16px;border-radius:10px;border:1px solid var(--bdr);background:var(--card);color:var(--txt);transition:border-color .2s,box-shadow .2s;outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-g)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--muted);opacity:.6}
.form-group textarea{resize:vertical;min-height:80px}
.form-group select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238e99ad' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px;cursor:pointer}
html[dir="rtl"] .form-group select{background-position:left 12px center;padding-right:14px;padding-left:32px}
.form-group input:invalid:not(:placeholder-shown){border-color:#ef4444}
.form-submit-btn{font-family:var(--fn);font-size:14px;font-weight:600;padding:12px 28px;border-radius:10px;background:var(--grad);color:#fff;border:none;cursor:pointer;transition:transform .3s,opacity .3s;align-self:flex-start}
.form-submit-btn:hover{transform:translateY(-1px);box-shadow:0 4px 20px var(--accent-g)}
.form-submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.form-submit-btn.success{background:#059669}
html[dir="rtl"] .form-submit-btn{align-self:flex-end}
@media(max-width:767px){
  .contact-container{grid-template-columns:1fr}
}

/* footer */
.ftr-wave{height:40px;background:linear-gradient(to right,var(--accent),var(--accent2));clip-path:polygon(0 100%,100% 100%,100% 0,75% 60%,50% 20%,25% 60%,0 0);opacity:.15;margin-top:60px}
.ftr{background:var(--bg-alt);padding:32px 24px;text-align:center}
.ftr-soc{display:flex;gap:16px;justify-content:center;margin-bottom:16px}
.ftr-soc a{color:var(--muted);transition:opacity .2s;display:flex;align-items:center}
.ftr-soc a:hover{color:var(--accent)}
.ftr-soc svg{width:20px;height:20px}
.ftr-avail{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--green);margin-bottom:12px;font-weight:500}
.ftr-avail::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--green);animation:blink 2s infinite}
.ftr-txt{font-size:12px;color:var(--muted)}
.ftr-top{display:inline-block;margin-top:12px;font-size:12px;color:var(--muted);cursor:pointer;text-decoration:none;transition:opacity .2s}
.ftr-top:hover{color:var(--accent)}