/* ============================================================
   HK Index Theme — purple/navy look extracted from index.html
   Shared by pages that should match the homepage styling.
   ============================================================ */

:root{
    --bg-deep:#0a0e27;
    --grad-primary:linear-gradient(135deg,#a855f7 0%,#ec4899 50%,#06b6d4 100%);
    --grad-button:linear-gradient(135deg,#a855f7 0%,#ec4899 100%);
}

/* Reset & base */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:'Outfit',-apple-system,BlinkMacSystemFont,sans-serif;
    background:var(--bg-deep);
    color:#fff;
    line-height:1.6;
    min-height:100vh;
    position:relative;
    -webkit-font-smoothing:antialiased;
}
body::before{
    content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
    background:
        radial-gradient(ellipse at 20% 10%, rgba(168,85,247,.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(6,182,212,.12) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(236,72,153,.1) 0%, transparent 50%);
}
body > header, body > section, body > footer, body > main{position:relative;z-index:1}
a{text-decoration:none}
img{max-width:100%;display:block}

/* Loading screen */
#loading-screen{position:fixed;top:0;left:0;width:100%;height:100vh;background:#000;display:flex;justify-content:center;align-items:center;z-index:99999;pointer-events:auto;transition:opacity .5s ease-out,visibility .5s ease-out}
#loading-screen.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loading-logo{width:72px;height:72px;animation:spin 3s linear infinite}
.loading-logo img{width:100%;height:100%;object-fit:contain}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* Top Nav */
.hk-topnav{position:fixed;top:0;left:0;right:0;z-index:10000;background:rgba(10,14,39,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:0 40px;height:64px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(168,85,247,.15)}
.hk-topnav .hk-logo img{height:36px}
.hk-topnav .hk-nav-right{display:flex;align-items:center;gap:16px}
.hk-topnav .hk-nav-cta{background:var(--grad-button);color:#fff;padding:10px 24px;border-radius:50px;font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.5px;text-decoration:none;transition:all .25s}
.hk-topnav .hk-nav-cta:hover{background:#c084fc;transform:translateY(-1px)}

/* Hamburger */
.hk-hamburger{width:32px;height:24px;position:relative;cursor:pointer;display:flex;flex-direction:column;justify-content:space-between;z-index:10001}
.hk-hamburger span{display:block;width:100%;height:2px;background:#fff;border-radius:2px;transition:all .3s ease;transform-origin:center}
.hk-hamburger.active span:nth-child(1){transform:translateY(11px) rotate(45deg)}
.hk-hamburger.active span:nth-child(2){opacity:0;transform:scaleX(0)}
.hk-hamburger.active span:nth-child(3){transform:translateY(-11px) rotate(-45deg)}

/* Mobile menu */
.hk-mobile-menu{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);z-index:9999;display:flex;flex-direction:column;justify-content:center;align-items:center;opacity:0;visibility:hidden;pointer-events:none;transition:all .4s ease}
.hk-mobile-menu.open{opacity:1;visibility:visible;pointer-events:auto}
.hk-menu-close{position:absolute;top:24px;right:24px;background:none;border:none;color:#fff;font-size:40px;cursor:pointer;transition:all .2s;line-height:1;z-index:10001;opacity:0;visibility:hidden}
.hk-mobile-menu.open .hk-menu-close{opacity:1;visibility:visible}
.hk-menu-close:hover{color:#a855f7;transform:rotate(90deg)}
.hk-mobile-menu nav{display:flex;flex-direction:column;align-items:center;gap:8px}
.hk-mobile-menu nav a{color:rgba(255,255,255,.7);text-decoration:none;font-size:1.5rem;font-weight:500;padding:12px 24px;transition:all .3s ease;position:relative;opacity:0;transform:translateY(20px)}
.hk-mobile-menu nav a:hover{color:#a855f7;transform:translateX(8px)}
.hk-mobile-menu.open nav a{opacity:1;transform:translateY(0)}
.hk-mobile-menu.open nav a:nth-child(1){transition-delay:.1s}
.hk-mobile-menu.open nav a:nth-child(2){transition-delay:.15s}
.hk-mobile-menu.open nav a:nth-child(3){transition-delay:.2s}
.hk-mobile-menu.open nav a:nth-child(4){transition-delay:.25s}
.hk-mobile-menu.open nav a:nth-child(5){transition-delay:.3s}
.hk-mobile-menu.open nav a:nth-child(6){transition-delay:.35s}
.hk-mobile-menu.open nav a:nth-child(7){transition-delay:.4s}
.hk-mobile-menu.open nav a:nth-child(8){transition-delay:.45s}
.hk-mobile-menu nav a.hk-menu-cta{background:var(--grad-button);color:#fff;border-radius:50px;font-weight:700;font-size:1rem;text-transform:uppercase;letter-spacing:1px;margin-top:20px;padding:16px 40px}
.hk-mobile-menu nav a.hk-menu-cta:hover{background:#c084fc;transform:translateX(0) scale(1.02)}
.hk-mobile-menu nav a.hk-menu-secondary{background:transparent;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:50px;font-weight:600;font-size:1rem;text-transform:uppercase;letter-spacing:1px;padding:14px 36px}
.hk-mobile-menu nav a.hk-menu-secondary:hover{border-color:#a855f7;color:#a855f7;transform:translateX(0)}

/* Buttons */
.hk-btn-primary{background:var(--grad-button);color:#fff;padding:16px 32px;border-radius:50px;font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:1px;text-decoration:none;display:inline-flex;align-items:center;gap:10px;transition:all .25s;border:none;cursor:pointer;box-shadow:0 6px 24px rgba(168,85,247,.35)}
.hk-btn-primary:hover{background:#c084fc;transform:translateY(-2px);box-shadow:0 10px 36px rgba(168,85,247,.55);color:#fff}
.hk-btn-secondary{background:transparent;color:#fff;padding:16px 32px;border-radius:50px;font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:1px;text-decoration:none;display:inline-flex;align-items:center;gap:10px;transition:all .25s;border:1px solid rgba(255,255,255,.2);cursor:pointer}
.hk-btn-secondary:hover{border-color:#a855f7;color:#a855f7;transform:translateY(-2px)}

/* Page hero (centered) */
.hk-phero{padding:130px 40px 60px;position:relative;overflow:hidden;text-align:center}
.hk-phero::before{content:'';position:absolute;top:-50%;left:50%;transform:translateX(-50%);width:120%;height:200%;background:radial-gradient(ellipse at center,rgba(168,85,247,.12) 0%,transparent 60%);pointer-events:none}
.hk-phero-inner{max-width:820px;margin:0 auto;position:relative;z-index:1}
.hk-phero .hk-eyebrow{display:inline-block;background:rgba(168,85,247,.15);color:#c084fc;padding:8px 18px;border-radius:50px;font-size:12px;font-weight:600;margin-bottom:20px;border:1px solid rgba(168,85,247,.35);text-transform:uppercase;letter-spacing:1.5px}
.hk-phero h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:700;color:#fff;line-height:1.12;margin:0 0 20px}
.hk-phero h1 span{background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hk-phero p{font-size:1.15rem;color:rgba(255,255,255,.6);line-height:1.6;margin:0 auto 32px;max-width:620px}

/* Section common */
.hk-section{padding:80px 40px;position:relative}
.hk-section-inner{max-width:1140px;margin:0 auto}
.hk-section-title{color:#fff;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700;text-align:center;margin:0 0 16px}
.hk-section-title span{background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hk-section-sub{color:rgba(255,255,255,.55);font-size:1.1rem;text-align:center;max-width:640px;margin:0 auto 48px;line-height:1.6}
.hk-section.alt{background:rgba(15,20,55,.35)}

/* Course / video cards */
.hk-course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:20px}
@media(max-width:900px){.hk-course-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.hk-course-grid{grid-template-columns:1fr}}
.hk-course-card{background:linear-gradient(180deg,rgba(255,255,255,.04) 0%,rgba(255,255,255,.01) 100%);border:1px solid rgba(255,255,255,.08);border-radius:20px;overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:all .4s cubic-bezier(.2,.8,.2,1);backdrop-filter:blur(10px)}
.hk-course-card:hover{border-color:rgba(168,85,247,.4);transform:translateY(-6px);box-shadow:0 20px 60px rgba(168,85,247,.18)}
.hk-course-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#11152e}
.hk-course-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.hk-course-card:hover .hk-course-thumb img{transform:scale(1.06)}
.hk-course-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,14,39,.55) 100%)}
.hk-course-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;background:rgba(168,85,247,.92);display:flex;align-items:center;justify-content:center;transition:all .3s;z-index:1}
.hk-course-card:hover .hk-course-play{transform:translate(-50%,-50%) scale(1.1);box-shadow:0 0 34px rgba(168,85,247,.55)}
.hk-course-play svg{width:22px;height:22px;fill:#fff;margin-left:3px}
.hk-course-body{padding:22px 24px 26px}
.hk-course-badge{display:inline-block;background:rgba(168,85,247,.15);color:#c084fc;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;padding:5px 12px;border-radius:50px;margin-bottom:12px}
.hk-course-body h3{color:#fff;font-size:1.1rem;font-weight:600;margin:0 0 8px;line-height:1.35}
.hk-course-date{color:rgba(255,255,255,.4);font-size:.82rem}

/* CTA hook */
.hk-hook{background:linear-gradient(135deg,#0a0a0a 0%,#1a1100 100%);position:relative;overflow:hidden;text-align:center}
.hk-hook::before{content:'';position:absolute;top:-40%;right:-20%;width:60%;height:180%;background:radial-gradient(ellipse,rgba(168,85,247,.1) 0%,transparent 70%);pointer-events:none}
.hk-hook-inner{position:relative;z-index:1;max-width:720px;margin:0 auto}
.hk-hook-inner h2{color:#fff;font-size:clamp(2rem,4.5vw,2.8rem);font-weight:700;margin:0 0 18px}
.hk-hook-inner h2 span{background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hk-hook-inner p{color:rgba(255,255,255,.6);font-size:1.12rem;max-width:560px;margin:0 auto 36px;line-height:1.6}

/* YouTube button */
.hk-youtube-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:rgba(255,0,0,.1);color:#ff0000;border-radius:50px;text-decoration:none;transition:all .3s}
.hk-youtube-btn:hover{background:rgba(255,0,0,.2);color:#ff0000;transform:scale(1.1)}
.hk-youtube-btn i{font-size:18px}

/* Social section */
.hk-social-section{background:rgba(10,14,39,.7);border-top:1px solid rgba(255,255,255,.06);padding:24px}
.hk-social-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:16px}
.hk-social-link{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:50%;text-decoration:none;transition:all .3s;color:rgba(255,255,255,.6)}
.hk-social-link:hover{transform:translateY(-3px);color:#fff}
.hk-social-link i{font-size:20px}
.hk-social-youtube:hover{background:rgba(255,0,0,.1);border-color:rgba(255,0,0,.3);color:#ff0000}
.hk-social-linkedin:hover{background:rgba(0,119,181,.1);border-color:rgba(0,119,181,.3);color:#0077b5}
.hk-social-facebook:hover{background:rgba(24,119,242,.1);border-color:rgba(24,119,242,.3);color:#1877f2}
.hk-social-instagram:hover{background:rgba(225,48,108,.1);border-color:rgba(225,48,108,.3);color:#e1306c}

/* Footer */
.hk-footer{background:#0a0e27;border-top:1px solid rgba(255,255,255,.06);padding:40px}
.hk-footer-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px}
.hk-footer-logo img{height:30px}
.hk-footer-links{display:flex;gap:24px;flex-wrap:wrap}
.hk-footer-links a{color:rgba(255,255,255,.4);text-decoration:none;font-size:13px;transition:color .2s}
.hk-footer-links a:hover{color:#a855f7}
.hk-footer-copy{color:rgba(255,255,255,.3);font-size:12px}

/* Legacy mil- chrome cleanup (for converted template pages) */
.mil-ball,.mil-progress-track,.mil-menu-frame,.mil-curtain,.mil-frame,.mil-hidden-elements,footer.mil-dark-bg{display:none !important}
.mil-wrapper,.mil-content,.mil-main-transition{position:relative;z-index:1;opacity:1 !important;visibility:visible !important}

/* Responsive */
@media(max-width:768px){
    .hk-topnav{padding:0 20px;height:60px}
    .hk-topnav .hk-logo img{height:32px}
    .hk-topnav .hk-nav-cta{display:none}
    .hk-phero{padding:100px 20px 40px}
    .hk-section{padding:60px 20px}
    .hk-social-section{padding:20px}
    .hk-social-inner{gap:12px}
    .hk-social-link{width:38px;height:38px}
    .hk-social-link i{font-size:18px}
    .hk-footer-inner{flex-direction:column;text-align:center}
}