:root{
  /* Logo sizing — adjust these three values if needed */
  --ai-logo-header-height:72px;
  --ai-logo-footer-height:72px;
  --ai-logo-mobile-height:50px;
  --ai-primary:#011A37;
  --ai-primary-dark:#001126;
  --ai-secondary:#DC4F11;
  --ai-secondary-dark:#B83E08;
  --ai-accent:#2b9c95;
  --ai-accent-soft:#dff4f1;
  --ai-ink:#15181d;
  --ai-muted:#65707c;
  --ai-bg:#f7f4ee;
  --ai-surface:#ffffff;
  --ai-soft:#edf1f5;
  --ai-border:#d8dee5;
  --ai-radius:16px;
  --ai-radius-lg:28px;
  --ai-shadow:0 20px 55px rgba(1,26,55,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,sans-serif;color:var(--ai-ink);background:var(--ai-bg);line-height:1.7}
h1,h2,h3,h4,h5,h6,.navbar-brand,.btn{font-family:"Space Grotesk",Inter,sans-serif}
a{color:var(--ai-primary)}
img{max-width:100%}
.section{padding:6rem 0}.section-sm{padding:4rem 0}.section-dark{background:var(--ai-primary);color:#fff}.section-white{background:#fff}.section-soft{background:var(--ai-soft)}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.76rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase;color:var(--ai-secondary)}
.eyebrow::before{content:"";width:24px;height:2px;background:currentColor}
.display-title{font-weight:700;line-height:.98;letter-spacing:-.055em}
.lead-copy{font-size:1.15rem;color:var(--ai-muted);line-height:1.75}
.text-muted-ai{color:var(--ai-muted)}
.btn{border-radius:999px;font-weight:700;padding:.86rem 1.3rem}
.btn-primary{--bs-btn-bg:var(--ai-secondary);--bs-btn-border-color:var(--ai-secondary);--bs-btn-hover-bg:var(--ai-secondary-dark);--bs-btn-hover-border-color:var(--ai-secondary-dark)}
.btn-outline-primary{--bs-btn-color:var(--ai-primary);--bs-btn-border-color:var(--ai-primary);--bs-btn-hover-bg:var(--ai-primary);--bs-btn-hover-border-color:var(--ai-primary)}
.btn-dark-ai{background:var(--ai-primary);border-color:var(--ai-primary);color:#fff}.btn-dark-ai:hover{background:var(--ai-primary-dark);border-color:var(--ai-primary-dark);color:#fff}
.top-strip{background:var(--ai-primary-dark);color:rgba(255,255,255,.75);font-size:.82rem}.top-strip a{color:#fff;text-decoration:none;font-weight:700}
.navbar{background:rgba(247,244,238,.95);backdrop-filter:blur(12px);z-index:1030}.logo-wordmark{font-weight:700;letter-spacing:-.03em;font-size:1.3rem}.logo-mark{width:42px;height:42px;border-radius:12px;background:var(--ai-primary);display:grid;place-items:center;color:#fff;font-weight:800;position:relative}.logo-mark::after{content:"";position:absolute;right:5px;bottom:5px;width:9px;height:9px;border-radius:50%;background:var(--ai-secondary)}
.nav-link{font-weight:700;color:var(--ai-ink);padding:.7rem .75rem!important}.nav-link:hover,.nav-link.active,.nav-link.show{color:var(--ai-secondary)!important}
.hero{padding:5.5rem 0 4rem;overflow:hidden}.hero-title{font-size:clamp(3rem,7vw,6.4rem);max-width:1100px}.hero-image{width:100%;height:clamp(420px,52vw,690px);object-fit:cover;border-radius:var(--ai-radius-lg);box-shadow:var(--ai-shadow)}
.hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ai-border);border:1px solid var(--ai-border);border-radius:var(--ai-radius);overflow:hidden}.hero-meta>div{padding:1rem;background:#fff}.hero-meta strong{display:block;font-size:1.25rem;color:var(--ai-primary)}
.statement-band{background:var(--ai-secondary);color:#fff;padding:1rem 0;font-family:"Space Grotesk",sans-serif;font-weight:700;letter-spacing:.01em}
.card-ai{height:100%;background:#fff;border:1px solid var(--ai-border);border-radius:var(--ai-radius);padding:1.7rem;transition:.25s ease}.card-ai:hover{transform:translateY(-5px);box-shadow:var(--ai-shadow)}
.number-chip{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--ai-accent-soft);color:var(--ai-accent);font-weight:800}
.problem-card{border-top:4px solid var(--ai-secondary)}
.model-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:2rem;align-items:center}.model-node{padding:2rem;border-radius:var(--ai-radius-lg);background:#fff;border:1px solid var(--ai-border)}.model-arrow{font-size:2rem;color:var(--ai-secondary)}
.metric{padding:1.5rem;border-left:1px solid rgba(255,255,255,.2)}.metric:first-child{border-left:0}.metric-value{font-size:2.6rem;font-weight:700;line-height:1}
.cost-bar{height:18px;border-radius:999px;overflow:hidden;display:flex;background:var(--ai-soft)}.cost-bar span:nth-child(1){width:28.6%;background:#011A37}.cost-bar span:nth-child(2){width:21.5%;background:#DC4F11}.cost-bar span:nth-child(3){width:24.7%;background:#2b9c95}.cost-bar span:nth-child(4){width:25.2%;background:#8b96a3}
.cost-key{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem}.cost-key i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:.5rem}
.tier-card{position:relative}.tier-card.featured{border:2px solid var(--ai-secondary);box-shadow:var(--ai-shadow)}.tier-badge{position:absolute;right:18px;top:18px;background:var(--ai-secondary);color:#fff;padding:.35rem .65rem;border-radius:999px;font-size:.72rem;font-weight:800}.tier-price{font-size:2.5rem;font-weight:700;color:var(--ai-primary)}
.form-control,.form-select{min-height:54px;border-radius:12px;border-color:var(--ai-border);padding:.85rem 1rem}.form-control:focus,.form-select:focus{border-color:var(--ai-accent);box-shadow:0 0 0 .2rem rgba(43,156,149,.15)}
.image-panel{width:100%;height:100%;min-height:420px;object-fit:cover;border-radius:var(--ai-radius-lg)}
.feature-list{list-style:none;padding:0;margin:0}.feature-list li{display:flex;gap:.8rem;padding:.9rem 0;border-bottom:1px solid var(--ai-border)}.feature-list i{color:var(--ai-accent)}
.page-hero{padding:4.5rem 0 3rem;background:var(--ai-primary);color:#fff}.page-hero .lead-copy{color:rgba(255,255,255,.72)}
.breadcrumb a{color:rgba(255,255,255,.72);text-decoration:none}.breadcrumb-item.active{color:#fff}.breadcrumb-item+.breadcrumb-item::before{color:rgba(255,255,255,.45)}
.trust-item{display:flex;gap:1rem}.trust-icon{flex:0 0 50px;width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:var(--ai-accent-soft);color:var(--ai-accent);font-size:1.25rem}
.dashboard-mock{background:#0f172a;border-radius:24px;padding:1.2rem;color:#fff;box-shadow:var(--ai-shadow)}.dashboard-screen{background:#fff;color:var(--ai-ink);border-radius:16px;padding:1.4rem}.mini-chart{height:120px;display:flex;align-items:flex-end;gap:10px}.mini-chart span{flex:1;background:var(--ai-accent);border-radius:8px 8px 2px 2px}.mini-chart span:nth-child(2n){background:var(--ai-secondary)}
.timeline{position:relative;padding-left:2rem}.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--ai-border)}.timeline-item{position:relative;padding:0 0 2rem 1.5rem}.timeline-item::before{content:"";position:absolute;left:-2rem;top:.45rem;width:18px;height:18px;border:4px solid #fff;border-radius:50%;background:var(--ai-secondary);box-shadow:0 0 0 1px var(--ai-border)}
.footer{background:var(--ai-primary-dark);color:rgba(255,255,255,.72)}.footer a{color:rgba(255,255,255,.72);text-decoration:none}.footer a:hover{color:#fff}.footer-title{color:#fff;font-size:.9rem;text-transform:uppercase;letter-spacing:.08em}.endorsement{border-top:1px solid rgba(255,255,255,.12);font-size:.85rem}
@media(max-width:991.98px){.section{padding:4.5rem 0}.model-grid{grid-template-columns:1fr}.model-arrow{transform:rotate(90deg);text-align:center}.hero-meta{grid-template-columns:1fr}.metric{border-left:0;border-top:1px solid rgba(255,255,255,.2)}.metric:first-child{border-top:0}.navbar-collapse{padding:1rem 0}.hero{padding-top:3.5rem}}
@media(max-width:575.98px){.cost-key{grid-template-columns:1fr}.hero-image{height:360px}.page-hero{padding-top:3.5rem}.display-3{font-size:2.65rem}}

/* =========================================================
   STICKY HEADER + UTILITY BAR
========================================================= */
.site-header{z-index:1040}
.site-header .navbar{position:relative;z-index:1}
.top-strip{position:relative;z-index:2}
.top-strip-link,.top-login{display:inline-flex;align-items:center;color:rgba(255,255,255,.8)!important;text-decoration:none;font-weight:700;transition:.2s ease}
.top-strip-link:hover,.top-strip-link.active{color:#fff!important}
.top-login{padding:.32rem .72rem;border:1px solid rgba(255,255,255,.28);border-radius:999px;color:#fff!important}
.top-login:hover,.top-login.active{background:#fff;color:var(--ai-primary-dark)!important;border-color:#fff}

/* =========================================================
   NAVIGATION DROPDOWNS
========================================================= */
.dropdown-menu{min-width:235px;padding:.6rem;border:1px solid var(--ai-border)!important;background:#fff}
.dropdown-item{border-radius:10px;padding:.7rem .85rem;font-weight:700;color:var(--ai-ink)}
.dropdown-item:hover,.dropdown-item:focus{background:var(--ai-accent-soft);color:var(--ai-primary)}
.dropdown-item.active,.dropdown-item:active{background:var(--ai-primary);color:#fff}

/* =========================================================
   BLOG
========================================================= */
.blog-feature{overflow:hidden;border:1px solid var(--ai-border);border-radius:var(--ai-radius-lg);background:#fff;box-shadow:0 14px 40px rgba(20,33,61,.07)}
.blog-feature-image{width:100%;height:100%;min-height:500px;object-fit:cover}
.blog-meta{font-size:.8rem;font-weight:700;color:var(--ai-muted);letter-spacing:.02em}
.blog-filters{display:flex;flex-wrap:wrap;gap:.5rem}
.blog-filters button{border:1px solid var(--ai-border);background:#fff;border-radius:999px;padding:.5rem .85rem;font-size:.82rem;font-weight:700;color:var(--ai-muted)}
.blog-filters button.active,.blog-filters button:hover{background:var(--ai-primary);border-color:var(--ai-primary);color:#fff}
.blog-card{height:100%;overflow:hidden;background:#fff;border:1px solid var(--ai-border);border-radius:var(--ai-radius);transition:.25s ease}
.blog-card:hover{transform:translateY(-5px);box-shadow:var(--ai-shadow)}
.blog-card-image{width:100%;height:245px;object-fit:cover}
.blog-card-body{padding:1.55rem}
.blog-card h3{font-size:1.3rem;margin:.7rem 0 .8rem;line-height:1.25}
.article-link{display:inline-flex;align-items:center;gap:.45rem;color:var(--ai-secondary);font-family:"Space Grotesk",sans-serif;font-weight:700;text-decoration:none}
.article-link i{transition:transform .2s ease}.article-link:hover i{transform:translateX(4px)}
.article-header{padding:4.5rem 0 3.5rem;background:var(--ai-bg)}
.article-back{color:var(--ai-primary);font-weight:700;text-decoration:none}
.article-hero-image{display:block;width:100%;height:clamp(380px,52vw,690px);object-fit:cover;border-radius:var(--ai-radius-lg);box-shadow:var(--ai-shadow)}
.article-content{font-size:1.08rem;line-height:1.9}
.article-content .article-intro{font-family:"Space Grotesk",sans-serif;font-size:1.35rem;font-weight:600;color:var(--ai-primary)}
.article-content h2{margin:3rem 0 1rem;font-size:clamp(1.8rem,3vw,2.5rem);font-weight:700;letter-spacing:-.035em}
.article-content blockquote{margin:2.6rem 0;padding:2rem 2.2rem;border-left:5px solid var(--ai-secondary);background:var(--ai-soft);border-radius:0 var(--ai-radius) var(--ai-radius) 0;font-family:"Space Grotesk",sans-serif;font-size:1.35rem;font-weight:600;color:var(--ai-primary)}
.article-callout{margin-top:3rem;padding:2rem;border-radius:var(--ai-radius);background:var(--ai-accent-soft);border:1px solid rgba(43,156,149,.2)}

/* =========================================================
   CONTACT
========================================================= */
.contact-stack{display:flex;flex-direction:column;gap:1rem}
.contact-stack>a,.contact-stack>div{display:flex;align-items:center;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--ai-border);color:var(--ai-ink);text-decoration:none}
.contact-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--ai-accent-soft);color:var(--ai-accent);font-size:1.15rem;flex:0 0 auto}
.contact-stack small{display:block;color:var(--ai-muted);font-size:.75rem}.contact-stack strong{display:block}
textarea.form-control{min-height:auto}

/* =========================================================
   ALUMNI COMMUNITY / SOCIAL WALL
========================================================= */
.community-page{background:#eef1f4}
.community-top{padding:2.5rem 0;background:#fff;border-bottom:1px solid var(--ai-border)}
.community-shell{padding:2rem 0 5rem}
.community-panel{background:#fff;border:1px solid var(--ai-border);border-radius:16px;padding:1.25rem}
.community-profile{text-align:center}
.profile-avatar{width:76px;height:76px;border-radius:50%;display:grid;place-items:center;margin:0 auto 1rem;background:linear-gradient(135deg,var(--ai-primary),var(--ai-accent));color:#fff;font-family:"Space Grotesk",sans-serif;font-size:1.35rem;font-weight:700}
.profile-avatar-sm{width:44px;height:44px;margin:0;font-size:.78rem;flex:0 0 auto}.profile-avatar-xs{width:38px;height:38px;margin:0;font-size:.7rem;flex:0 0 auto}.profile-orange{background:linear-gradient(135deg,var(--ai-secondary),#f59e5d)}
.profile-stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ai-border);border-bottom:1px solid var(--ai-border);padding:1rem 0}.profile-stats div+div{border-left:1px solid var(--ai-border)}.profile-stats strong,.profile-stats span{display:block}.profile-stats span{font-size:.72rem;color:var(--ai-muted)}
.community-side-nav{display:flex;flex-direction:column;gap:.25rem}.community-side-nav a{display:flex;align-items:center;gap:.8rem;padding:.7rem .75rem;border-radius:10px;color:var(--ai-muted);text-decoration:none;font-weight:700;font-size:.9rem}.community-side-nav a i{width:20px}.community-side-nav a:hover,.community-side-nav a.active{background:var(--ai-accent-soft);color:var(--ai-primary)}
.composer-input{width:100%;border:1px solid var(--ai-border);background:var(--ai-soft);border-radius:999px;text-align:left;padding:.75rem 1rem;color:var(--ai-muted)}
.composer-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:.35rem;border-top:1px solid var(--ai-border);padding-top:.75rem}.composer-actions button,.post-actions button{border:0;background:transparent;color:var(--ai-muted);font-weight:700;font-size:.82rem;padding:.5rem;border-radius:8px}.composer-actions button:hover,.post-actions button:hover{background:var(--ai-soft);color:var(--ai-primary)}
.post-head{display:flex;gap:.8rem;align-items:center}.post-more{margin-left:auto;border:0;background:transparent;font-size:1.2rem;color:var(--ai-muted)}
.post-image{width:calc(100% + 2.5rem);max-width:none;margin:1rem -1.25rem 0;height:360px;object-fit:cover}
.post-stats{display:flex;justify-content:space-between;padding:.75rem 0;border-bottom:1px solid var(--ai-border);font-size:.8rem;color:var(--ai-muted)}.post-stats i{color:var(--ai-accent)}
.post-actions{display:grid;grid-template-columns:repeat(4,1fr);padding-top:.35rem}
.impact-post-card{padding:1.3rem;border-radius:14px;background:var(--ai-soft);border:1px solid var(--ai-border)}.impact-post-card strong{display:block;font-size:1.2rem;margin-top:.45rem}.impact-post-card .progress-bar{background:var(--ai-secondary)}
.follow-list{display:flex;flex-direction:column;gap:1rem}.follow-person{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:.7rem;align-items:center}.follow-person strong,.follow-person small{display:block;line-height:1.25}.follow-person strong{font-size:.85rem}.follow-person small{font-size:.7rem;color:var(--ai-muted)}.follow-person button{border:1px solid var(--ai-primary);background:#fff;color:var(--ai-primary);font-weight:700;font-size:.72rem;border-radius:999px;padding:.3rem .55rem}.follow-person button:hover{background:var(--ai-primary);color:#fff}
.trend{display:block;padding:1rem 0;border-bottom:1px solid var(--ai-border);text-decoration:none}.trend:last-child{border-bottom:0;padding-bottom:0}.trend small,.trend strong,.trend span{display:block}.trend small,.trend span{font-size:.72rem;color:var(--ai-muted)}.trend strong{color:var(--ai-ink);font-size:.9rem;margin:.1rem 0}

@media(max-width:991.98px){
  .blog-feature-image{min-height:360px;height:360px}
  .post-image{height:300px}
}
@media(max-width:575.98px){
  .top-strip{font-size:.74rem}.top-strip .container{justify-content:center!important}.top-strip .container>span{width:100%;text-align:center}
  .composer-actions{grid-template-columns:repeat(2,1fr)}.post-actions{grid-template-columns:repeat(2,1fr)}
  .post-image{height:240px}
}

/* SVG brand logo */
.site-logo-img{display:block;width:auto;height:var(--ai-logo-header-height);max-width:300px;object-fit:contain}
.site-logo-img-footer{height:var(--ai-logo-footer-height);max-width:320px}
.logo-fallback strong{display:block;line-height:1;font-size:1.15rem}
.logo-fallback small{display:block;font-size:.7rem;letter-spacing:.08em;color:var(--ai-muted)}
@media(max-width:575.98px){.site-logo-img{height:var(--ai-logo-mobile-height);max-width:230px}}