/* ================================================================
   ARTIFICIAL INTELLIGENCE PROJECTS | PAGE FOUNDATION
================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700;800;900&display=swap');
:root{--bg:#040506;--text:#f7f8fa;--muted:#aab1ba;--line:rgba(255,255,255,.12);--cyan:#22d3ee;--violet:#a855f7;--green:#37e07c;--risk:#ff334f}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#040506;color:var(--text);font-family:Montserrat,Arial,sans-serif}.page-shell{width:min(1480px,calc(100% - 48px));margin:auto}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(130deg,rgba(255,255,255,.018),transparent 44%,rgba(255,255,255,.012))}

/* ================================================================
   HEADER & NAVIGATION
================================================================ */
.page-header{min-height:130px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}.header-btn{justify-self:start;display:inline-flex;align-items:center;gap:10px;padding:14px 20px;border:1px solid rgba(34,211,238,.38);border-radius:999px;background:rgba(8,10,12,.72);color:#eee;text-decoration:none;text-transform:uppercase;font-size:.7rem;font-weight:800;cursor:pointer}.theme-toggle{justify-self:end}.header-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.page-mark{min-width:330px;height:72px;padding:12px 26px;display:flex;align-items:center;justify-content:center;gap:16px;border:1px solid var(--line);border-radius:999px;background:rgba(12,15,18,.78)}.page-mark i{font-size:2rem;color:var(--cyan)}.page-mark span{color:#aeb5bd;font-size:.68rem;line-height:1.5;letter-spacing:1.3px;text-transform:uppercase}.page-mark strong{color:#fff;font-size:.85rem}
.project-nav{position:sticky;top:14px;z-index:20;width:max-content;max-width:100%;margin:8px auto 0;padding:9px;display:flex;gap:7px;border:1px solid var(--line);border-radius:999px;background:rgba(7,9,11,.84);backdrop-filter:blur(18px);box-shadow:0 14px 36px rgba(0,0,0,.28)}.project-nav a{padding:14px 20px;border:1px solid transparent;border-radius:999px;color:#aeb4bc;text-decoration:none;text-transform:uppercase;font-size:.74rem;font-weight:800}.project-nav a span{margin-right:8px;color:var(--cyan)}.project-nav a:hover{border-color:rgba(34,211,238,.4);background:rgba(34,211,238,.07);color:#fff}

/* ================================================================
   HERO
================================================================ */
.hero{min-height:590px;padding:100px 20px 120px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.eyebrow{margin:0 0 34px!important;color:var(--cyan)!important;font-size:.72rem!important;font-weight:900;letter-spacing:4px;text-transform:uppercase}.hero h1{max-width:1360px;margin:0;text-transform:uppercase}.hero h1 span{display:block;color:#fff;font-size:clamp(3.7rem,7.5vw,7.7rem);font-weight:900;line-height:.84;letter-spacing:-5px}.hero h1 strong{display:block;margin-top:28px;background:linear-gradient(90deg,var(--cyan),#f4f6f8 50%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;font-size:clamp(1.55rem,3.4vw,3.6rem);font-weight:800;letter-spacing:4px}.hero>p:not(.eyebrow){max-width:850px;margin:40px auto 26px;color:#bbc1c8;font-size:1.05rem;line-height:1.75}.hero-facts{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.hero-facts span{padding:9px 13px;border:1px solid var(--line);border-radius:999px;font-size:.62rem;font-weight:800;text-transform:uppercase}

/* ================================================================
   ORIGINAL AI PROJECT CARDS
================================================================ */
.project-grid{display:grid;gap:34px;padding-bottom:100px}.project-card{--accent:var(--cyan);--accent2:var(--violet);position:relative;padding:42px;border:1px solid color-mix(in srgb,var(--accent) 34%,var(--line));border-radius:26px;background:linear-gradient(145deg,rgba(16,20,28,.94),rgba(8,10,15,.98));overflow:hidden;box-shadow:0 20px 52px rgba(0,0,0,.34);scroll-margin-top:110px;transition:.3s}.project-card::before{content:"";position:absolute;inset:0 auto 0 0;width:6px;background:linear-gradient(var(--accent),var(--accent2))}.project-card:hover{transform:translateY(-5px);border-color:var(--accent);box-shadow:0 26px 68px rgba(0,0,0,.45),0 0 30px color-mix(in srgb,var(--accent) 16%,transparent)}
.project-card h2{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0 0 26px;font-size:clamp(1.7rem,2.7vw,2.7rem);font-weight:900}.card-title-logo{width:175px;max-height:62px;padding:8px 12px;border-radius:10px;background:#fff;object-fit:contain}.project-date{display:inline-flex;margin-left:10px;padding:7px 10px;border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:999px;color:var(--accent);font-size:.6rem;vertical-align:middle}.project-card p{color:#bac0c7;font-size:1rem;line-height:1.8}.tech-tags{display:flex;flex-wrap:wrap;gap:9px;margin:25px 0}.tech-tags span{padding:9px 12px;border:1px solid color-mix(in srgb,var(--accent) 30%,var(--line));border-radius:999px;font-size:.63rem;font-weight:800;text-transform:uppercase}.project-actions,.cpip-links{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.launch-btn,.github-link{display:inline-flex;align-items:center;gap:10px;padding:13px 18px;border:1px solid var(--accent);border-radius:999px;color:#fff;text-decoration:none;text-transform:uppercase;font-size:.68rem;font-weight:900}.github-link{border-color:var(--line)}.launch-btn:hover{background:linear-gradient(105deg,var(--accent),var(--accent2));color:#07090a}.github-link:hover{background:transparent;color:var(--accent)}
.cpip-access-row{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:24px;padding:24px;border:1px solid rgba(212,175,55,.42);border-radius:20px;background:linear-gradient(135deg,rgba(5,5,5,.96),rgba(17,17,17,.92));box-shadow:inset 0 1px 0 rgba(247,224,168,.08),0 14px 32px rgba(0,0,0,.28)}.cpip-access-row p{flex:1;margin:0;color:#e2e8f0;font-size:18px;line-height:1.6}.cpip-access-row .highlight-safe{color:#d4af37}
.card-research{--accent:#37e07c;--accent2:#ff334f;border-color:rgba(255,255,255,.12);box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 16px 38px rgba(0,0,0,.34),0 0 22px rgba(55,224,124,.06)}.card-research::before{background:linear-gradient(to bottom,#ff334f,#37e07c)}.card-research:hover{border-color:rgba(55,224,124,.5);box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 20px 44px rgba(0,0,0,.42),0 0 28px rgba(55,224,124,.18)}
.card-research .proposal-label{color:#ff334f}.card-research .invention-name{color:#fff;background:linear-gradient(100deg,#fff 0%,#fff 22%,#ff334f 42%,#fff 52%,#37e07c 68%,#fff 84%,#fff 100%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:patent-title-sweep 6s ease-in-out infinite alternate}.highlight-safe{color:#37e07c}.highlight-risk{color:#ff334f}
.card-research .btn-patent{color:#06110a!important;background:linear-gradient(110deg,#ff334f 0%,#fff1f3 48%,#37e07c 100%);background-size:180% 180%;box-shadow:0 10px 28px rgba(55,224,124,.24),0 0 18px rgba(55,224,124,.16);animation:patent-button-sweep 4s ease-in-out infinite alternate}.card-research .btn-patent:hover{transform:translateY(-4px) scale(1.03);box-shadow:0 14px 32px rgba(255,51,79,.24),0 0 26px rgba(55,224,124,.28)}
.card-research .btn-cpip{color:#f7e0a8!important;background:linear-gradient(110deg,#050505 0%,#111 48%,#8e6d13 78%,#d4af37 100%);border-color:rgba(212,175,55,.72);box-shadow:0 8px 22px rgba(0,0,0,.4),0 0 18px rgba(212,175,55,.18)}
@keyframes patent-title-sweep{from{background-position:0% 50%}to{background-position:100% 50%}}@keyframes patent-button-sweep{from{background-position:0% 50%}to{background-position:100% 50%}}
.card-ai{--accent:#22d3ee;--accent2:#a855f7}.card-ai .title-text{background:linear-gradient(90deg,#fff,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}.card-ai .btn-ai{background:linear-gradient(105deg,var(--accent),var(--accent2));color:#07090a;transition:transform .2s ease,box-shadow .2s ease}.card-ai .btn-ai:hover{transform:translateY(-3px);box-shadow:0 8px 22px color-mix(in srgb,var(--accent) 32%,transparent)}.highlight-ai{color:#22d3ee}

/* ================================================================
   LIGHT THEME, FOOTER & RESPONSIVE DESIGN
================================================================ */
.card-agent-sec{--accent:#38bdf8;--accent2:#818cf8;border-color:rgba(56,189,248,.3);background:linear-gradient(145deg,rgba(11,21,35,.96),rgba(8,10,15,.98))}.card-agent-sec::before{background:linear-gradient(180deg,#38bdf8,#818cf8,#34d399)}.card-agent-sec:hover{border-color:rgba(56,189,248,.65)}.card-agent-sec .title-text{color:#f7f8fa}.card-agent-sec .card-title-logo,.card-research .card-title-logo{object-fit:cover;object-position:center}.card-research .card-title-logo{width:90px;height:90px;max-height:none;padding:6px;object-fit:contain;object-position:center}.agent-sec-subtitle{margin:0 0 22px;color:#a5b4fc;font-size:clamp(1.1rem,2vw,1.45rem)}.agent-sec-focus-title{margin:30px 0 8px;color:#67e8f9;font-size:1rem;text-transform:uppercase;letter-spacing:1.5px}.agent-sec-focus-title i{margin-right:8px}.agent-sec-focus-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 0;padding:0;list-style:none}.agent-sec-focus-list li{display:flex;align-items:flex-start;gap:12px;min-height:64px;padding:15px;border:1px solid rgba(129,140,248,.24);border-radius:14px;background:rgba(255,255,255,.035);color:#e5e7eb;line-height:1.5}.agent-sec-focus-list li i{flex:0 0 20px;align-self:flex-start;margin-top:.2em;color:#67e8f9;text-align:center}.agent-sec-focus-list strong{font-size:.82rem}
footer{padding:28px 10px 38px;border-top:1px solid var(--line);color:#aab1ba;text-align:center;font-size:.72rem}footer a{color:#d0d5da;text-decoration:none;transition:color .2s ease}footer a:hover,footer a:focus-visible{color:var(--cyan)}body.light{--text:#11151a;--muted:#53606a;--line:rgba(15,23,32,.15);background:linear-gradient(#ddd,#f6f6f4)}body.light .project-card{background:rgba(255,255,255,.76)}body.light .project-card p{color:#4b555e}body.light .page-mark,body.light .project-nav,body.light .header-btn{background:rgba(255,255,255,.78);color:#161b20}body.light .page-mark strong{color:#111}body.light .hero h1 span{color:#111}
/* COST website-inspired teal identity for the AGENT-SEC collaboration card. */
.card-agent-sec{--accent:#18c3a5;--accent2:#079f8d;border-color:rgba(24,195,165,.38)}
.card-agent-sec::before{background:linear-gradient(180deg,#28d6b4,#18c3a5 70%,#078f82)}
.card-agent-sec:hover{border-color:rgba(24,195,165,.75);box-shadow:0 26px 68px rgba(0,0,0,.45),0 0 30px rgba(24,195,165,.2)}
.card-agent-sec .agent-sec-subtitle,.card-agent-sec .agent-sec-focus-title,.card-agent-sec .agent-sec-focus-list li i{color:#4ed9bc}
.agent-sec-focus-list li span{display:grid;gap:6px}.agent-sec-focus-list li strong{font-size:.95rem}.agent-sec-focus-list li small{color:#aab6c5;font-size:.75rem;line-height:1.55}
.card-agent-sec .agent-sec-focus-title i{color:#f4a340}
.card-agent-sec .project-date{border-color:rgba(244,163,64,.55);color:#f4a340}
.card-agent-sec .agent-sec-focus-list li{border-color:rgba(24,195,165,.3)}
.cost-card-logo{position:relative;z-index:2;transform-origin:right center;transition:transform .25s ease,box-shadow .25s ease;cursor:zoom-in}
.cost-card-logo:hover,.cost-card-logo:focus-visible{transform:scale(1.5);box-shadow:0 8px 28px rgba(0,0,0,.55);outline:2px solid #18c3a5;outline-offset:3px}
@media(max-width:720px){.page-shell{width:calc(100% - 22px)}.page-header{grid-template-columns:1fr 1fr}.page-mark{grid-column:1/-1;grid-row:2;min-width:0;width:min(100%,330px);justify-self:center}.header-btn{padding:11px 13px;font-size:.57rem}.project-nav{overflow-x:auto;scrollbar-width:none}.project-nav a{flex:0 0 auto;padding:11px 14px;font-size:.62rem}.hero{padding:80px 4px 90px}.hero h1 span{font-size:clamp(3.15rem,15vw,5rem);letter-spacing:-3px}.hero h1 strong{font-size:clamp(1.15rem,5.8vw,2rem);letter-spacing:2px;line-height:1.2}.project-card{padding:28px 22px}.project-card h2{flex-direction:column;align-items:flex-start;font-size:1.65rem}.card-title-logo{width:150px}.project-date{display:flex;width:max-content;margin:9px 0 0}.project-actions,.cpip-links{align-items:stretch;flex-direction:column}.launch-btn,.github-link{justify-content:center;width:100%}.agent-sec-focus-list{grid-template-columns:1fr}}