/* ==========================================================
   SKYTECH SOLUTIONS — Design System
   ========================================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Sora:wght@600;700;800&display=swap');

:root{
  --navy:#0B1B33;
  --navy-2:#132A4D;
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --cyan:#06B6D4;
  --ink:#111827;
  --muted:#5B6472;
  --line:#E6E9EF;
  --bg:#FAFBFC;
  --card:#FFFFFF;
  --success:#16A34A;
  --warn:#D97706;
  --danger:#DC2626;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 8px 30px rgba(11,27,51,0.08);
  --shadow-lg:0 20px 50px rgba(11,27,51,0.14);
  --maxw:1180px;
  --font-body:'Plus Jakarta Sans',-apple-system,Segoe UI,Roboto,sans-serif;
  --font-head:'Sora',var(--font-body);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--navy);line-height:1.2;margin:0 0 .5em;}
p{margin:0 0 1em;color:var(--muted);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{list-style:none;margin:0;padding:0;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
section{padding:70px 0;}
.section-head{text-align:center;max-width:640px;margin:0 auto 44px;}
.eyebrow{display:inline-block;color:var(--blue);font-weight:700;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;background:rgba(37,99,235,.08);padding:6px 14px;border-radius:99px;margin-bottom:14px;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.3rem);}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:99px;font-weight:700;font-size:.95rem;cursor:pointer;border:2px solid transparent;transition:.2s ease;white-space:nowrap;}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-outline-dark{border-color:var(--line);color:var(--navy);}
.btn-outline-dark:hover{background:var(--navy);color:#fff;border-color:var(--navy);}
.btn-block{width:100%;}
.btn-sm{padding:8px 16px;font-size:.85rem;}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 14px rgba(11,27,51,.06);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:78px;}
.brand-logo{height:44px;}
.brand-text{font-family:var(--font-head);font-weight:800;color:var(--navy);font-size:1.25rem;display:flex;align-items:center;gap:8px;}
.brand-text i{color:var(--blue);}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav ul{display:flex;gap:26px;align-items:center;}
.main-nav>ul>li>a{font-weight:600;color:var(--navy);padding:8px 0;position:relative;}
.main-nav>ul>li>a:hover{color:var(--blue);}
.has-dropdown{position:relative;}
.dropdown{position:absolute;top:100%;left:0;background:#fff;min-width:260px;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s ease;max-height:420px;overflow-y:auto;}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown li a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink);font-weight:500;font-size:.92rem;}
.dropdown li a:hover{background:var(--bg);color:var(--blue);}
.nav-cta{margin-left:6px;}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:200;}
.hamburger span{width:26px;height:3px;background:var(--navy);border-radius:2px;transition:.25s;}
.hamburger.open span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
.nav-overlay{position:fixed;inset:0;background:rgba(11,27,51,.5);opacity:0;visibility:hidden;transition:.25s;z-index:90;}
.nav-overlay.show{opacity:1;visibility:visible;}

.flash{padding:14px 0;text-align:center;font-weight:600;}
.flash-success{background:#ECFDF5;color:var(--success);}
.flash-error{background:#FEF2F2;color:var(--danger);}

.sticky-call,.sticky-whatsapp{position:fixed;right:18px;width:54px;height:54px;border-radius:50%;display:none;align-items:center;justify-content:center;color:#fff;font-size:1.4rem;box-shadow:var(--shadow-lg);z-index:80;}
.sticky-call{bottom:88px;background:var(--navy);}
.sticky-whatsapp{bottom:20px;background:#25D366;}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 60%,#0E2A52 100%);color:#fff;padding:90px 0 100px;position:relative;overflow:hidden;}
.hero::after{content:'';position:absolute;right:-120px;top:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(37,99,235,.35),transparent 70%);}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;position:relative;z-index:1;}
.hero h1{color:#fff;font-size:clamp(2rem,4vw,3rem);margin-bottom:18px;}
.hero p.lead{color:#C9D4E6;font-size:1.1rem;max-width:520px;}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.hero-visual{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:26px;backdrop-filter:blur(6px);}
.hero-visual img{border-radius:10px;width:100%;}
.hero-stats{display:flex;gap:22px;margin-top:34px;flex-wrap:wrap;}
.hero-stats div{background:rgba(255,255,255,.08);border-radius:12px;padding:14px 18px;}
.hero-stats strong{display:block;font-size:1.3rem;font-family:var(--font-head);}
.hero-stats span{color:#B9C6DD;font-size:.82rem;}

/* Highlights / features grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.2s;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.icon-badge{width:52px;height:52px;border-radius:14px;background:rgba(37,99,235,.1);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:16px;}
.card h3{font-size:1.1rem;}
.card p{margin-bottom:0;font-size:.94rem;}

/* Course cards */
.course-toolbar{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:space-between;margin-bottom:34px;}
.search-box{position:relative;flex:1;min-width:220px;max-width:360px;}
.search-box input{width:100%;padding:12px 16px 12px 42px;border-radius:99px;border:1px solid var(--line);font-family:inherit;font-size:.94rem;}
.search-box i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);}
.category-filters{display:flex;gap:8px;flex-wrap:wrap;}
.category-filters button{padding:8px 16px;border-radius:99px;border:1px solid var(--line);background:#fff;font-weight:600;font-size:.85rem;cursor:pointer;color:var(--navy);}
.category-filters button.active,.category-filters button:hover{background:var(--navy);color:#fff;border-color:var(--navy);}

.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.course-card{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column;}
.course-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.course-thumb{aspect-ratio:16/10;background:linear-gradient(135deg,#EEF2FF,#E0E7FF);display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:2.2rem;overflow:hidden;}
.course-thumb img{width:100%;height:100%;object-fit:cover;}
.course-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.course-tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--blue);}
.course-body h3{font-size:1.08rem;margin:0;}
.course-meta{display:flex;gap:14px;font-size:.82rem;color:var(--muted);flex-wrap:wrap;}
.course-meta span{display:flex;align-items:center;gap:5px;}
.course-body .btn{margin-top:auto;}
.featured-badge{position:absolute;background:var(--cyan);color:#fff;font-size:.7rem;font-weight:700;padding:4px 10px;border-radius:99px;margin:12px;}

/* Why choose / process */
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
.split img{border-radius:var(--radius);box-shadow:var(--shadow-lg);}
.check-list li{display:flex;gap:12px;margin-bottom:14px;align-items:flex-start;}
.check-list i{color:var(--success);margin-top:4px;}

/* Testimonials */
.testimonial-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.testimonial-stars{color:#F59E0B;margin-bottom:10px;}
.testimonial-person{display:flex;align-items:center;gap:12px;margin-top:16px;}
.testimonial-person img{width:46px;height:46px;border-radius:50%;object-fit:cover;}
.testimonial-person strong{display:block;font-size:.92rem;}
.testimonial-person span{font-size:.8rem;color:var(--muted);}

/* FAQ accordion */
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;background:#fff;}
.faq-q{padding:18px 20px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:700;color:var(--navy);}
.faq-q i{transition:.2s;color:var(--blue);}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 20px;}
.faq-item.open .faq-a{max-height:400px;padding:0 20px 18px;}

/* CTA */
.cta-band{background:linear-gradient(120deg,var(--blue),var(--cyan));color:#fff;text-align:center;border-radius:var(--radius);padding:56px 30px;}
.cta-band h2{color:#fff;}
.cta-band p{color:rgba(255,255,255,.9);}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-group{margin-bottom:18px;}
.form-group.full{grid-column:1/-1;}
label{display:block;font-weight:600;font-size:.88rem;margin-bottom:6px;color:var(--navy);}
input[type=text],input[type=email],input[type=tel],input[type=password],select,textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--line);font-family:inherit;font-size:.95rem;background:#fff;
}
textarea{resize:vertical;min-height:110px;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.15);}
.field-error{color:var(--danger);font-size:.8rem;margin-top:4px;}
.honeypot{position:absolute;left:-9999px;opacity:0;}

/* Contact */
.contact-info-card{background:var(--navy);color:#fff;border-radius:var(--radius);padding:30px;}
.contact-info-card li{display:flex;gap:14px;margin-bottom:18px;align-items:flex-start;}
.contact-info-card i{color:var(--cyan);margin-top:3px;}
.contact-info-card a{color:#fff;}
.map-embed{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.map-embed iframe{width:100%;height:320px;border:0;display:block;}

/* Footer */
.site-footer{background:var(--navy);color:#C9D4E6;padding-top:60px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:40px;}
.footer-col h3,.footer-col h4{color:#fff;}
.footer-col h4{font-size:1rem;margin-bottom:16px;}
.footer-col p{color:#9FB0CC;font-size:.9rem;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:#C9D4E6;font-size:.9rem;}
.footer-col ul li a:hover{color:#fff;}
.footer-social{display:flex;gap:12px;margin-top:16px;}
.footer-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;}
.footer-contact li{align-items:flex-start;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;}
.footer-bottom-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:.85rem;color:#9FB0CC;}
.footer-bottom-inner a{color:#C9D4E6;}

/* Page header (inner pages) */
.page-header{background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;padding:60px 0;text-align:center;}
.page-header h1{color:#fff;margin-bottom:8px;}
.page-header p{color:#C9D4E6;margin:0;}
.breadcrumb{color:#9FB0CC;font-size:.85rem;}
.breadcrumb a{color:#C9D4E6;}

/* Course detail */
.course-hero{display:grid;grid-template-columns:1fr 340px;gap:36px;align-items:start;}
.course-sidebar{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;position:sticky;top:100px;}
.course-sidebar .meta-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:.9rem;}
.course-sidebar .meta-row:last-of-type{border-bottom:none;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag-list span{background:var(--bg);border:1px solid var(--line);padding:6px 12px;border-radius:99px;font-size:.82rem;color:var(--navy);font-weight:600;}

/* Error pages */
.error-page{text-align:center;padding:110px 20px;}
.error-page h1{font-size:5rem;color:var(--blue);}

/* Utility */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.mb-0{margin-bottom:0;}

@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .course-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .course-hero{grid-template-columns:1fr;}
  .course-sidebar{position:static;}
}
@media (max-width:860px){
  .hero-grid,.split{grid-template-columns:1fr;}
  .split .split-visual{order:-1;}
}
@media (max-width:768px){
  .hamburger{display:flex;}
  .main-nav{position:fixed;top:0;right:-100%;width:82%;max-width:340px;height:100vh;background:#fff;flex-direction:column;align-items:flex-start;padding:90px 26px 26px;transition:right .3s ease;box-shadow:-10px 0 40px rgba(0,0,0,.15);overflow-y:auto;z-index:150;}
  .main-nav.open{right:0;}
  .main-nav ul{flex-direction:column;align-items:flex-start;width:100%;gap:4px;}
  .main-nav>ul>li{width:100%;}
  .main-nav>ul>li>a{display:block;padding:12px 0;width:100%;}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;display:none;padding-left:12px;max-height:none;}
  .has-dropdown.open .dropdown{display:block;}
  .nav-cta{margin:16px 0 0;width:100%;}
  .sticky-call,.sticky-whatsapp{display:flex;}
  .grid-3,.grid-4,.course-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  section{padding:50px 0;}
  .hero{padding:60px 0 70px;}
}