/* Fase 5 — exclusively scoped to approved portfolio's Skills section */
.expertise-panel{position:relative;padding:25px 23px 20px;border:1px solid rgba(47,72,107,.72);border-radius:12px;background:linear-gradient(142deg,#07111f,#040c19 72%,#071326);overflow:hidden;scroll-margin-top:92px}
.expertise-panel::before{content:"";position:absolute;right:-7%;top:-180px;width:500px;height:330px;background:radial-gradient(ellipse,rgba(78,68,201,.10),transparent 67%);pointer-events:none}
.expertise-panel > *{position:relative}
.expertise-panel .expertise-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}
.expertise-panel .expertise-heading .panel-title{gap:13px}
.expertise-panel .expertise-heading .tiny-rule{width:31px;height:3px;background:linear-gradient(90deg,#a98aff,#60bdfa)}
.expertise-panel .expertise-heading h2{font-size:13px;letter-spacing:.22em;font-weight:800}
.expertise-panel .expertise-show-all{display:inline-flex;align-items:center;gap:9px;background:transparent;border:0;color:#b99cff;font-size:12px;font-weight:600;padding:4px 2px;white-space:nowrap}
.expertise-panel .expertise-show-all:hover{color:#e2d4ff}
.expertise-panel .expertise-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.expertise-panel .expertise-card{position:relative;min-width:0;min-height:263px;padding:16px 17px 15px;display:flex;flex-direction:column;gap:0;background:linear-gradient(158deg,#0b182a 0%,#071221 72%,#06101e 100%);border:1px solid #233b5b;border-radius:11px;overflow:hidden;transition:transform .18s,border-color .18s,box-shadow .18s}
.expertise-panel .expertise-card:hover{transform:translateY(-3px);border-color:#5f63b8;box-shadow:0 12px 30px rgba(34,18,85,.23)}
.expertise-panel .expertise-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,rgba(131,101,255,.95),rgba(53,187,251,.2),transparent)}
.expertise-panel .expertise-cyber::before{background:linear-gradient(90deg,#7764ff,#48d4f8,transparent)}
.expertise-panel .expertise-lead::before{background:linear-gradient(90deg,#6098ff,#8c77ff,transparent)}
.expertise-panel .expertise-topline{width:100%;display:flex;align-items:center;justify-content:space-between;margin-bottom:19px;gap:10px}
.expertise-panel .expertise-number,.expertise-panel .expertise-category{font-family:var(--mono);font-size:9px;letter-spacing:.11em;color:#7d97c3;white-space:nowrap}
.expertise-panel .expertise-category{color:#aa9aff;font-size:8px;opacity:.9}
.expertise-panel .expertise-main{display:flex;gap:16px;align-items:flex-start;flex:1;min-width:0}
.expertise-panel .expertise-symbol{flex:none;width:55px;height:55px;border:1px solid #2f355d;border-radius:10px;display:grid;place-items:center;color:#8eafff;background:linear-gradient(140deg,#242345,#13223d);box-shadow:inset 0 0 22px rgba(129,71,240,.07)}
.expertise-panel .expertise-symbol svg{width:33px;height:33px}
.expertise-panel .expertise-cyber .expertise-symbol{color:#9d8aff}
.expertise-panel .expertise-lead .expertise-symbol{color:#78a9ff}
.expertise-panel .expertise-copy{min-width:0;flex:1}
.expertise-panel .expertise-copy h3{font-size:17px;font-weight:800;line-height:1.23;color:#f2f5ff;margin:0 0 6px;letter-spacing:-.03em}
.expertise-panel .expertise-copy small{display:block;font-size:10px;color:#99add3;margin-bottom:13px;line-height:1.5}
.expertise-panel .expertise-copy p{font-size:12px;line-height:1.64;min-height:0;margin:0;color:#b6c4df}
.expertise-panel .expertise-techs{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-top:19px}
.expertise-panel .expertise-techs span{border:1px solid #354666;border-radius:30px;padding:6px 10px;color:#cdd9ec;background:rgba(13,24,47,.72);font-size:10px;line-height:1.25;white-space:nowrap}
.expertise-panel .expertise-footer{display:flex;align-items:center;gap:15px;border-top:1px solid rgba(48,74,107,.65);margin-top:19px;padding-top:18px}
.expertise-panel .expertise-footer>span:first-child{font-family:var(--mono);font-size:9px;letter-spacing:.13em;white-space:nowrap;color:#a88aff}
.expertise-panel .expertise-footer p{margin:0;flex:1;color:#aebfd9;font-size:11px;line-height:1.7}
.expertise-panel .expertise-footer i{font-style:normal;color:#7463d8;padding:0 4px}
.expertise-panel .expertise-footer-decor{font-size:9px;letter-spacing:.06em;color:#597294;font-family:var(--mono);white-space:nowrap}
.expertise-panel .expertise-details{border:1px solid #31456d;border-radius:10px;background:linear-gradient(135deg,#0b1930,#06111f);padding:22px 20px;margin-top:17px}
.expertise-panel .expertise-details[hidden]{display:none}
.expertise-panel .expertise-details-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:19px}
.expertise-panel .expertise-details-head span{display:block;font-family:var(--mono);font-size:10px;color:#a99aff;letter-spacing:.12em;margin-bottom:10px}
.expertise-panel .expertise-details-head h3{font-size:19px;color:#f4f5ff;line-height:1.3;margin:0}
.expertise-panel #expertiseClose{border:1px solid #405274;border-radius:6px;background:#121d32;color:#d6e0fa;padding:8px 11px;white-space:nowrap;font-size:11px}
.expertise-panel #expertiseClose:hover{background:#212248}
.expertise-panel .expertise-detail-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.expertise-panel .expertise-detail-group{min-width:0;background:linear-gradient(156deg,#0d1b30,#071727);border:1px solid #2b3f5f;border-radius:9px;padding:17px}
.expertise-panel .expertise-detail-group>span{font-family:var(--mono);font-size:9px;color:#9c8dff;letter-spacing:.13em}
.expertise-panel .expertise-detail-group h4{margin:10px 0 7px;font-size:14px;line-height:1.35;color:#f1f5ff}
.expertise-panel .expertise-detail-group p{font-size:11px;line-height:1.6;color:#9eb3d1;margin-bottom:13px;min-height:35px}
.expertise-panel .expertise-detail-group>div{display:flex;gap:6px;flex-wrap:wrap}
.expertise-panel .expertise-detail-group>div span{font-size:10px;color:#cad9ec;border:1px solid #2f4264;border-radius:5px;background:#0a1528;padding:6px 8px;line-height:1.3}
.expertise-panel .expertise-disclaimer{font-size:10px;color:#7f9abd;margin:15px 0 0;line-height:1.6}
@media(max-width:1180px){.expertise-panel .expertise-main{gap:12px}.expertise-panel .expertise-copy h3{font-size:15px}.expertise-panel .expertise-card{padding:15px 13px}.expertise-panel .expertise-symbol{width:46px;height:46px}.expertise-panel .expertise-symbol svg{width:29px;height:29px}.expertise-panel .expertise-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.expertise-panel .expertise-footer-decor{display:none}}
@media(max-width:930px){.expertise-panel .expertise-grid{grid-template-columns:1fr;gap:11px}.expertise-panel .expertise-card{min-height:0;padding:17px}.expertise-panel .expertise-topline{margin-bottom:10px}.expertise-panel .expertise-symbol{width:56px;height:56px}.expertise-panel .expertise-copy h3{font-size:17px}.expertise-panel .expertise-techs{margin-top:16px}}
@media(max-width:760px){.expertise-panel{padding:19px 13px 18px}.expertise-panel .expertise-heading{gap:9px;align-items:flex-start}.expertise-panel .expertise-heading h2{font-size:11px;letter-spacing:.15em}.expertise-panel .expertise-heading .tiny-rule{width:20px}.expertise-panel .expertise-show-all{font-size:10px;white-space:normal;text-align:right;max-width:126px;justify-content:flex-end}.expertise-panel .expertise-main{gap:13px}.expertise-panel .expertise-card{padding:14px}.expertise-panel .expertise-copy h3{font-size:16px}.expertise-panel .expertise-copy p{font-size:11px}.expertise-panel .expertise-techs span{font-size:9px;padding:6px 9px}.expertise-panel .expertise-footer{display:block}.expertise-panel .expertise-footer>span:first-child{display:block;margin-bottom:9px}.expertise-panel .expertise-footer p{font-size:10px}.expertise-panel .expertise-details{padding:14px}.expertise-panel .expertise-details-head{gap:8px}.expertise-panel .expertise-details-head h3{font-size:16px}.expertise-panel #expertiseClose{font-size:10px;padding:7px 9px}.expertise-panel .expertise-detail-grid{grid-template-columns:1fr;gap:10px}.expertise-panel .expertise-detail-group p{min-height:0}}
@media(max-width:350px){.expertise-panel .expertise-symbol{width:45px;height:45px}.expertise-panel .expertise-copy h3{font-size:14px}.expertise-panel .expertise-category{font-size:7px}}
@media(prefers-reduced-motion:reduce){.expertise-panel .expertise-card{transition:none}}