/* ====== MathLabs Design System ====== */
:root{
  --navy:#0b2545;
  --blue:#1d4ed8;
  --blue-light:#3b6df0;
  --bg-grey:#f5f7fb;
  --bg-grey-2:#eef1f7;
  --white:#ffffff;
  --text:#1e293b;
  --text-light:#5b6b82;
  --border:#e2e8f5;
  --success:#16a34a;
  --warn:#d97706;
  --danger:#dc2626;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(11,37,69,0.08);
  --shadow-lg:0 20px 50px rgba(11,37,69,0.14);
  --maxw:1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Segoe UI',Arial,Helvetica,sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.6;
}
h1,h2,h3,h4{font-family:Georgia,'Times New Roman',serif;color:var(--navy);margin:0 0 .5em;line-height:1.25;}
h1{font-size:2.6rem;}
h2{font-size:2rem;}
h3{font-size:1.3rem;}
p{margin:0 0 1em;color:var(--text-light);}
a{color:var(--blue);text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section.grey{background:var(--bg-grey);}
.section.navy{background:var(--navy);color:#fff;}
.section.navy h2,.section.navy h3,.section.navy p{color:#fff;}
.center{text-align:center;}
.eyebrow{display:inline-block;color:var(--blue);font-weight:700;letter-spacing:2px;font-size:.78rem;text-transform:uppercase;margin-bottom:10px;}
.lead{font-size:1.15rem;max-width:680px;}
.mx-auto{margin-left:auto;margin-right:auto;}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:50px;font-weight:700;font-size:.95rem;cursor:pointer;border:2px solid transparent;transition:.2s;}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--navy);}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--navy);}
.btn-outline:hover{background:var(--navy);color:#fff;}
.btn-whatsapp{background:#25D366;color:#fff;}
.btn-whatsapp:hover{background:#1ebc59;}
.btn-light{background:#fff;color:var(--navy);}
.btn-sm{padding:9px 18px;font-size:.85rem;}
.btn-block{width:100%;justify-content:center;}

/* Navbar */
.navbar{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:88px;gap:18px;}
.navbar .logo{display:flex;align-items:center;flex-shrink:0;}
.navbar .logo img{height:56px;display:block;}
.nav-links{display:flex;align-items:center;gap:15px;list-style:none;margin:0;padding:0;flex-wrap:nowrap;white-space:nowrap;}
.nav-links a{color:var(--text);font-weight:600;font-size:.85rem;}
.nav-links a:hover{color:var(--blue);}
.nav-links a.active{color:var(--blue);}
.nav-cta{background:var(--blue);color:#fff !important;padding:10px 20px;border-radius:50px;}
.nav-cta:hover{background:var(--navy);}
.nav-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--navy);}
@media(max-width:1180px){
  .nav-toggle{display:block;}
  .nav-links{position:absolute;top:88px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 24px;gap:14px;border-bottom:1px solid var(--border);display:none;box-shadow:var(--shadow);white-space:normal;}
  .nav-links.open{display:flex;}
  .nav-cta{display:inline-block;}
}

/* Hero */
.hero{padding:70px 0 60px;background:linear-gradient(180deg,#fff 0%,var(--bg-grey) 100%);overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;}
.hero-cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.tagline-pill{display:inline-block;background:#eef3ff;color:var(--blue);padding:8px 16px;border-radius:50px;font-weight:700;font-size:.85rem;margin-bottom:18px;}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;} h1{font-size:2.1rem;}}

/* Stat cards */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr);}.grid-3{grid-template-columns:1fr;}.grid-2{grid-template-columns:1fr;}}
.stat-card{background:#fff;border-radius:var(--radius);padding:28px 20px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border);}
.stat-card .num{font-family:Georgia,serif;font-size:2.2rem;color:var(--blue);font-weight:700;}
.stat-card .label{color:var(--text-light);font-size:.9rem;font-weight:600;}

/* Cards generic */
.card{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);border:1px solid var(--border);transition:.2s;height:100%;}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.icon-badge{width:54px;height:54px;border-radius:14px;background:#eef3ff;color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:16px;}
.tag{display:inline-block;background:var(--bg-grey-2);color:var(--navy);font-size:.75rem;font-weight:700;padding:4px 12px;border-radius:50px;margin:0 6px 6px 0;}
.tag.blue{background:#eef3ff;color:var(--blue);}
.tag.gold{background:#fff7e6;color:#b45309;}

/* Program cards */
.program-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column;}
.program-head{padding:26px 28px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;}
.program-head.flagship{background:linear-gradient(135deg,#7c2d12,#b45309);}
.program-body{padding:26px 28px;flex:1;display:flex;flex-direction:column;}
.program-body ul{padding-left:20px;margin:0 0 16px;}
.program-body li{margin-bottom:6px;color:var(--text-light);}
.program-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.fee-placeholder{font-weight:700;color:var(--navy);margin-bottom:14px;}

/* Footer */
footer{background:var(--navy);color:#cdd9f3;padding:60px 0 24px;}
footer h4{color:#fff;font-family:Arial;font-size:1rem;}
footer a{color:#cdd9f3;}
footer a:hover{color:#fff;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:32px;}
.footer-grid ul{list-style:none;padding:0;margin:0;}
.footer-grid li{margin-bottom:10px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.12);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}

/* Forms */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:700px){.form-row{grid-template-columns:1fr;}}
label{display:block;font-weight:600;font-size:.88rem;margin-bottom:6px;color:var(--navy);}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;margin-bottom:16px;font-family:inherit;background:#fcfdff;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);}
.form-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:36px;border:1px solid var(--border);}

/* Floating WhatsApp */
.float-whatsapp{position:fixed;bottom:24px;right:24px;background:#25D366;color:#fff;width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.6rem;box-shadow:0 8px 20px rgba(0,0,0,0.25);z-index:999;}

/* Breadcrumb hero (sub pages) */
.page-hero{padding:54px 0 40px;background:linear-gradient(180deg,#fff,var(--bg-grey));text-align:center;}

/* Tables / dashboard */
.dash-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh;}
.dash-sidebar{background:var(--navy);color:#fff;padding:24px 18px;}
.dash-sidebar a{display:block;color:#cdd9f3;padding:11px 14px;border-radius:10px;margin-bottom:4px;font-weight:600;font-size:.92rem;}
.dash-sidebar a:hover,.dash-sidebar a.active{background:rgba(255,255,255,0.1);color:#fff;}
.dash-main{padding:32px;background:var(--bg-grey);}
.dash-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;}
@media(max-width:900px){.dash-shell{grid-template-columns:1fr;} .dash-sidebar{display:flex;overflow-x:auto;gap:6px;padding:14px;} .dash-sidebar a{white-space:nowrap;margin-bottom:0;}}

table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;}
table th,table td{padding:13px 16px;border-bottom:1px solid var(--border);text-align:left;font-size:.9rem;}
table th{background:var(--bg-grey-2);color:var(--navy);font-weight:700;}
.badge{padding:4px 10px;border-radius:50px;font-size:.75rem;font-weight:700;}
.badge.green{background:#dcfce7;color:#15803d;}
.badge.amber{background:#fef3c7;color:#b45309;}
.badge.red{background:#fee2e2;color:#b91c1c;}
.badge.blue{background:#dbeafe;color:#1d4ed8;}

.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:28px;}
@media(max-width:900px){.kpi-row{grid-template-columns:repeat(2,1fr);}}
.kpi-card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);}
.kpi-card .num{font-size:1.8rem;font-weight:800;color:var(--blue);font-family:Georgia,serif;}

.filter-bar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px;}
.filter-bar select{margin-bottom:0;width:auto;min-width:160px;}

.blog-card,.ad-card,.resource-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden;}
.blog-thumb,.ad-thumb{height:170px;background:linear-gradient(135deg,#dbe7ff,#eef3ff);display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:var(--blue);}
.blog-card .pad,.ad-card .pad,.resource-card .pad{padding:22px;}

.testimonial{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid var(--border);}
.testimonial .quote{font-style:italic;color:var(--text);font-size:1.05rem;}
.stars{color:#f59e0b;margin-bottom:10px;}

.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;}
.faq-q{padding:16px 20px;font-weight:700;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:.25s;color:var(--text-light);}
.faq-item.open .faq-a{padding:0 20px 18px;max-height:400px;}

.steps{display:flex;flex-wrap:wrap;gap:0;justify-content:space-between;margin:30px 0;}
.step{flex:1;min-width:140px;text-align:center;padding:0 10px;position:relative;}
.step .circle{width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;margin:0 auto 10px;}

.alert{padding:16px 20px;border-radius:var(--radius-sm);margin-bottom:20px;font-weight:600;}
.alert.success{background:#dcfce7;color:#15803d;}
.alert.info{background:#dbeafe;color:#1d4ed8;}

.crud-list{display:flex;flex-direction:column;gap:10px;}
.crud-row{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:14px 18px;border-radius:var(--radius-sm);border:1px solid var(--border);}
.crud-row .actions button{margin-left:6px;}
.small{font-size:.82rem;color:var(--text-light);}
.mb-0{margin-bottom:0;}