/* ========== TOKENS ========== */
:root{
  --bg:#08090d;
  --bg2:#0e1018;
  --surface:#141722;
  --surface2:#1c2030;
  --glass:rgba(255,255,255,0.04);
  --glass-border:rgba(255,255,255,0.08);
  --accent:#7c5cfc;
  --accent2:#3ecfff;
  --accent3:#ff5faa;
  --text:#f0f2ff;
  --text2:#a0a8c8;
  --text3:#5a6080;
  --radius:18px;
  --radius-lg:28px;
  --radius-xl:40px;
  --shadow:0 8px 40px rgba(0,0,0,.45);
  --glow:0 0 40px rgba(124,92,252,.25);
  --transition:cubic-bezier(.25,.46,.45,.94);
}
[data-theme="light"]{
  --bg:#f4f5ff;
  --bg2:#eceeff;
  --surface:#fff;
  --surface2:#f0f1fa;
  --glass:rgba(255,255,255,0.7);
  --glass-border:rgba(120,100,255,0.15);
  --text:#0d0e1a;
  --text2:#444870;
  --text3:#9096c0;
  --shadow:0 8px 40px rgba(100,80,200,.12);
  --glow:0 0 40px rgba(124,92,252,.15);
}

/* ========== RESET ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'DM Sans',sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  line-height:1.6;
  transition:background .4s,color .4s;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit;border:none;outline:none}

/* ========== TYPOGRAPHY ========== */
h1,h2,h3,h4{font-family:Arial;line-height:1.15;font-weight:800}
h1{font-size:clamp(2.4rem,7vw,5.2rem);letter-spacing:-.03em}
h2{font-size:clamp(1.8rem,4.5vw,3rem);letter-spacing:-.02em}
h3{font-size:clamp(1.1rem,2.5vw,1.4rem)}
p{color:var(--text2);font-size:clamp(.95rem,2vw,1.05rem);font-weight:300}

/* ========== LOADING SCREEN ========== */
#loader{
  position:fixed;inset:0;z-index:9999;
  background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:24px;
  transition:opacity .6s,visibility .6s;
}
#loader.hidden{opacity:0;visibility:hidden}
.loader-logo{
  font-family:'Syne',sans-serif;font-size:1.5rem;font-weight:800;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.loader-bar{
  width:180px;height:3px;background:var(--surface2);border-radius:4px;overflow:hidden;
}
.loader-fill{
  height:100%;width:0%;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  border-radius:4px;
  animation:load 1.8s var(--transition) forwards;
}
@keyframes load{to{width:100%}}

/* ========== NOISE TEXTURE OVERLAY ========== */
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity:.5;
}

/* ========== FLOATING ORBS (hero BG) ========== */
.orb{
  position:absolute;border-radius:50%;filter:blur(80px);
  pointer-events:none;animation:float 8s ease-in-out infinite;
}
.orb1{width:420px;height:420px;background:rgba(124,92,252,.3);top:-80px;right:-100px;animation-delay:0s}
.orb2{width:300px;height:300px;background:rgba(62,207,255,.2);bottom:20px;left:-80px;animation-delay:3s}
.orb3{width:200px;height:200px;background:rgba(255,95,170,.15);top:40%;left:30%;animation-delay:1.5s}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.05)}}

/* ========== NAVBAR ========== */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:0 5%;
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  background:rgba(8,9,13,.6);
  border-bottom:1px solid var(--glass-border);
  transition:all .4s;
}
[data-theme="light"] .navbar{background:rgba(244,245,255,.7)}
.navbar.scrolled{
  height:58px;
  background:rgba(8,9,13,.85);
  box-shadow:0 4px 30px rgba(0,0,0,.3);
}
[data-theme="light"] .navbar.scrolled{background:rgba(244,245,255,.9)}
.nav-logo{
  font-family:'Syne',sans-serif;font-size:1.25rem;font-weight:800;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.nav-links{display:none;gap:32px;list-style:none}
@media(min-width:768px){.nav-links{display:flex}}
.nav-links a{font-size:.9rem;color:var(--text2);transition:color .25s;font-weight:500}
.nav-links a:hover{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:12px}
.btn-theme{
  width:38px;height:38px;border-radius:50%;
  background:var(--surface2);
  border:1px solid var(--glass-border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text2);font-size:1rem;
  transition:all .25s;
}
.btn-theme:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-nav{
  padding:9px 20px;border-radius:50px;
  background:linear-gradient(135deg,var(--accent),#5b3fd4);
  color:#fff;font-weight:600;font-size:.85rem;
  box-shadow:0 4px 16px rgba(124,92,252,.4);
  transition:all .3s;
}
.btn-nav:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(124,92,252,.5)}
.hamburger{
  display:flex;flex-direction:column;gap:5px;
  background:none;padding:4px;
}
@media(min-width:768px){.hamburger{display:none}}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}

/* ========== MOBILE NAV MENU ========== */
.mobile-menu{
  position:fixed;inset:0;z-index:99;
  background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:36px;
  transform:translateX(100%);
  transition:transform .45s var(--transition);
}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu a{font-family:'Syne',sans-serif;font-size:2rem;font-weight:700;color:var(--text);transition:color .2s}
.mobile-menu a:hover{color:var(--accent)}
.mobile-close{
  position:absolute;top:24px;right:24px;
  width:44px;height:44px;border-radius:50%;
  background:var(--surface2);color:var(--text);
  font-size:1.2rem;display:flex;align-items:center;justify-content:center;
}

/* ========== SECTIONS ========== */
section{position:relative;overflow:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 5%}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:50px;
  background:rgba(124,92,252,.12);
  border:1px solid rgba(124,92,252,.25);
  color:var(--accent);font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  margin-bottom:20px;
}
.section-label::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}

/* ========== HERO ========== */
.hero{
  min-height:100svh;
  display:flex;align-items:center;
  padding:100px 5% 80px;
  position:relative;
}
.hero-grid{
  max-width:1200px;margin:0 auto;width:100%;
  display:grid;grid-template-columns:1fr;gap:60px;align-items:center;
}
@media(min-width:900px){.hero-grid{grid-template-columns:1fr 1fr;gap:80px}}
.hero-content{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:50px;
  background:rgba(62,207,255,.1);border:1px solid rgba(62,207,255,.25);
  color:var(--accent2);font-size:.8rem;font-weight:600;
  margin-bottom:28px;
  animation:fadeUp .8s var(--transition) forwards;opacity:0;animation-delay:.2s;
}
.hero-badge span{animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.hero h1{
  animation:fadeUp .8s var(--transition) forwards;opacity:0;animation-delay:.4s;
  margin-bottom:24px;
}
.hero h1 .grad{
  background:linear-gradient(135deg,var(--accent),var(--accent2),var(--accent3));
  background-size:300% 300%;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  animation:gradShift 5s ease-in-out infinite;
}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero p{
  animation:fadeUp .8s var(--transition) forwards;opacity:0;animation-delay:.6s;
  max-width:480px;font-size:1.1rem;margin-bottom:40px;
}
.hero-cta{
  display:flex;flex-wrap:wrap;gap:14px;
  animation:fadeUp .8s var(--transition) forwards;opacity:0;animation-delay:.8s;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}

.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border-radius:50px;
  background:linear-gradient(135deg,var(--accent),#5b3fd4);
  color:#fff;font-weight:700;font-size:1rem;
  box-shadow:0 8px 30px rgba(124,92,252,.45);
  transition:all .35s var(--transition);
  position:relative;overflow:hidden;
}
.btn-primary::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,255,255,.15),transparent);
  opacity:0;transition:opacity .3s;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(124,92,252,.55)}
.btn-primary:hover::after{opacity:1}
.btn-secondary{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border-radius:50px;
  background:var(--glass);border:1px solid var(--glass-border);
  color:var(--text);font-weight:600;font-size:1rem;
  backdrop-filter:blur(12px);
  transition:all .35s;
}
.btn-secondary:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);transform:translateY(-2px)}

.hero-visual{
  display:flex;align-items:center;justify-content:center;
  animation:fadeUp .8s var(--transition) forwards;opacity:0;animation-delay:.5s;
  position:relative;
}
/* Hero SVG illustration */
.hero-svg-wrap{position:relative;width:100%;max-width:500px}
.hero-svg-wrap svg{width:100%;height:auto}
.hero-stat-card{
  position:absolute;
  background:var(--glass);
  backdrop-filter:blur(20px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:12px 18px;
  display:flex;align-items:center;gap:12px;
  box-shadow:var(--shadow);
  animation:float 6s ease-in-out infinite;
}
.hero-stat-card:nth-child(2){bottom:10%;left:-10%;animation-delay:1s}
.hero-stat-card:nth-child(3){top:10%;right:-5%;animation-delay:2s}
.stat-icon{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
}
.stat-icon.purple{background:rgba(124,92,252,.2);color:var(--accent)}
.stat-icon.cyan{background:rgba(62,207,255,.2);color:var(--accent2)}
.stat-icon.pink{background:rgba(255,95,170,.2);color:var(--accent3)}
.stat-text small{display:block;color:var(--text3);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.stat-text strong{font-family:'Syne',sans-serif;font-size:1.1rem;font-weight:700}

/* Scroll indicator */
.scroll-hint{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:var(--text3);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;
  animation:fadeUp 1s .9s forwards;opacity:0;
}
.scroll-dot{
  width:24px;height:38px;border:2px solid var(--text3);border-radius:12px;
  display:flex;justify-content:center;padding-top:5px;
}
.scroll-dot::after{
  content:'';width:4px;height:8px;background:var(--accent);border-radius:4px;
  animation:scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown{0%,100%{transform:translateY(0);opacity:1}80%{transform:translateY(14px);opacity:0}}

/* ========== COURSES ========== */
.courses{padding:100px 0}
.courses-header{text-align:center;margin-bottom:56px}
.courses-header p{margin:16px auto 0;max-width:500px}
.swiper-courses{padding:16px 5% 48px!important}
.course-card{
  background:var(--surface);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:all .4s var(--transition);
  cursor:pointer;
  position:relative;
}
.course-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(124,92,252,.06),rgba(62,207,255,.03));
  opacity:0;transition:opacity .3s;border-radius:var(--radius-lg);
}
.course-card:hover{transform:translateY(-8px);box-shadow:0 24px 60px rgba(0,0,0,.4),0 0 0 1px rgba(124,92,252,.2)}
.course-card:hover::before{opacity:1}
.course-img{
  height:180px;overflow:hidden;position:relative;
  display:flex;align-items:center;justify-content:center;
}
.course-img svg{width:80%;height:80%;opacity:.9}
.course-badge{
  position:absolute;top:14px;right:14px;
  padding:5px 12px;border-radius:50px;
  background:linear-gradient(135deg,var(--accent),#5b3fd4);
  color:#fff;font-size:.75rem;font-weight:700;
  box-shadow:0 4px 12px rgba(124,92,252,.4);
}
.course-body{padding:22px}
.course-tag{
  display:inline-block;padding:4px 12px;border-radius:50px;
  background:rgba(62,207,255,.1);border:1px solid rgba(62,207,255,.2);
  color:var(--accent2);font-size:.72rem;font-weight:600;letter-spacing:.05em;
  margin-bottom:12px;
}
.course-card h3{margin-bottom:8px;font-size:1.1rem}
.course-card p{font-size:.875rem;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course-footer{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;border-top:1px solid var(--glass-border);
}
.course-price{font-family:Arial;font-size:1.2rem;font-weight:800;color:var(--accent)}
.course-price small{font-family:'DM Sans';font-size:.8rem;color:var(--text3);text-decoration:line-through;margin-left:6px;font-weight:400}
.course-enroll{
  padding:8px 18px;border-radius:50px;
  background:linear-gradient(135deg,var(--accent),#5b3fd4);
  color:#fff;font-size:.8rem;font-weight:600;
  transition:all .3s;box-shadow:0 4px 12px rgba(124,92,252,.3);
}
.course-enroll:hover{transform:scale(1.05);box-shadow:0 8px 20px rgba(124,92,252,.4)}
.swiper-pagination-bullet{background:var(--text3)!important}
.swiper-pagination-bullet-active{background:var(--accent)!important}

/* course img bg colors */
.cimg-1{background:linear-gradient(135deg,#1a0e3d,#0e1e3a)}
.cimg-2{background:linear-gradient(135deg,#0e2a2a,#0a1a30)}
.cimg-3{background:linear-gradient(135deg,#2a0e1a,#1a0e2a)}
.cimg-4{background:linear-gradient(135deg,#0e1a2a,#0e2a1a)}
.cimg-5{background:linear-gradient(135deg,#2a1a0e,#1a0e30)}
.cimg-6{background:linear-gradient(135deg,#0e0e2a,#1a0e2a)}

/* ========== WHY CHOOSE ========== */
.why{padding:100px 0;background:var(--bg2)}
.why-grid{
  display:grid;grid-template-columns:1fr;gap:24px;margin-top:56px;
}
@media(min-width:640px){.why-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.why-grid{grid-template-columns:repeat(4,1fr)}}
.why-card{
  padding:30px;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(12px);
  transition:all .4s;
  position:relative;overflow:hidden;
}
.why-card::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--glow)}
.why-card:hover::after{transform:scaleX(1)}
.why-icon{
  width:56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;margin-bottom:20px;
  background:linear-gradient(135deg,rgba(124,92,252,.2),rgba(62,207,255,.1));
  border:1px solid rgba(124,92,252,.2);
}
.why-card h3{margin-bottom:10px;font-size:1.1rem}

/* ========== STATS ========== */
.stats{
  padding:100px 0;
  background:linear-gradient(135deg,rgba(124,92,252,.08),rgba(62,207,255,.04));
  border-top:1px solid var(--glass-border);
  border-bottom:1px solid var(--glass-border);
}
.stats-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;
  max-width:900px;margin:0 auto;
}
@media(min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat-item{text-align:center}
.stat-number{
  font-family:sans-serif;font-size:clamp(2.2rem,6vw,3.5rem);font-weight:800;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  display:block;line-height:1;margin-bottom:8px;
}
.stat-label{color:var(--text2);font-size:.9rem;font-weight:500}

/* ========== TESTIMONIALS ========== */
.testimonials{padding:100px 0;background:var(--bg)}
.testimonials .container{position:relative;z-index:2}
.swiper-testimonials{padding:16px 5% 56px!important}
.testi-card{
  background:var(--surface);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:30px;
  position:relative;
}
.testi-card::before{
  content:'"';
  position:absolute;top:20px;right:24px;
  font-size:5rem;font-family:'Syne',sans-serif;font-weight:800;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  opacity:.3;line-height:1;
}
.stars{color:#ffd84d;margin-bottom:14px;font-size:1rem;letter-spacing:2px}
.testi-card p{font-size:.95rem;line-height:1.7;margin-bottom:24px;color:var(--text2)}
.testi-author{display:flex;align-items:center;gap:14px}
.testi-avatar{
  width:46px;height:46px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-family:'Syne',sans-serif;font-weight:700;font-size:1.1rem;color:#fff;
  flex-shrink:0;
}
.testi-name{font-weight:700;font-size:.95rem;margin-bottom:2px}
.testi-role{font-size:.8rem;color:var(--text3)}

/* ========== CTA ========== */
.cta-section{
  padding:100px 5%;
  background:linear-gradient(135deg,#3a1f8a 0%,#1a0e4a 40%,#0e1a3a 100%);
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1' fill='rgba(255,255,255,.08)'/%3E%3C/svg%3E");
}
.cta-inner{max-width:700px;margin:0 auto;text-align:center;position:relative;z-index:2}
.cta-inner h2{color:#fff;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,.7);margin-bottom:40px;font-size:1.1rem}
.btn-cta{
  display:inline-flex;align-items:center;gap:12px;
  padding:18px 40px;border-radius:50px;
  background:#fff;color:#3a1f8a;
  font-family:sans-serif;font-weight:800;font-size:1.05rem;
  box-shadow:0 12px 40px rgba(0,0,0,.3);
  transition:all .35s;
}
.btn-cta:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 20px 60px rgba(0,0,0,.4)}
.cta-note{margin-top:20px;color:rgba(255,255,255,.5);font-size:.85rem}

/* ========== FOOTER ========== */
footer{
  background:var(--bg2);
  border-top:1px solid var(--glass-border);
  padding:44px 5% 28px;
}
/* Mobile: brand full width, then 3 cols for links */
.footer-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:35px 55px;
  margin-bottom:32px;
}
.footer-brand{
  grid-column:1 / -1; /* full width on mobile */
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:37px;
  align-items:start;
}
.footer-brand-left{}
.footer-brand-right{}
@media(min-width:640px){
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
  .footer-brand{grid-column:auto;display:block}
}
.footer-brand p{margin-top:10px;font-size:.82rem;max-width:260px;line-height:1.55}
.footer-social{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.social-btn{
  width:36px;height:36px;border-radius:50%;
  background:var(--surface2);border:1px solid var(--glass-border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text2);font-size:.85rem;
  transition:all .25s;
}
.social-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-2px)}
.footer-col h4{font-family:'Syne',sans-serif;font-size:.85rem;margin-bottom:12px;color:var(--text);text-transform:uppercase;letter-spacing:.05em}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-col ul li a{color:var(--text3);font-size:.82rem;transition:color .2s;line-height:1.4}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid var(--glass-border);padding-top:20px;
  display:flex;flex-direction:column;gap:6px;align-items:center;text-align:center;
}
@media(min-width:640px){.footer-bottom{flex-direction:row;justify-content:space-between}}
.footer-bottom p{font-size:.78rem;color:var(--text3)}
.footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.footer-contact a{display:flex;align-items:center;gap:6px;color:var(--text3);font-size:.8rem;transition:color .2s}
.footer-contact a:hover{color:var(--accent)}

/* ========== FLOATING ELEMENTS ========== */
.fab-whatsapp{
  position:fixed;bottom:90px;right:20px;z-index:90;
  width:52px;height:52px;border-radius:50%;
  background:#25d366;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.4rem;
  box-shadow:0 8px 24px rgba(37,211,102,.4);
  transition:all .3s;
  animation:float 4s ease-in-out infinite;
}
.fab-whatsapp:hover{transform:scale(1.1);box-shadow:0 12px 32px rgba(37,211,102,.5)}
.fab-whatsapp svg{width:28px;height:28px;fill:#fff}

/* ========== STICKY BOTTOM NAV (mobile) ========== */
.bottom-nav{
  position:fixed;bottom:16px;left:50%;transform:translateX(-50%);
  z-index:90;
  display:flex;align-items:center;gap:4px;
  background:rgba(14,16,24,.85);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid var(--glass-border);
  border-radius:50px;padding:8px 12px;
  box-shadow:0 8px 32px rgba(0,0,0,.4);
}
@media(min-width:768px){.bottom-nav{display:none}}
.bnav-item{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:8px 14px;border-radius:40px;
  color:var(--text3);font-size:.62rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  transition:all .25s;
}
.bnav-item.active,.bnav-item:hover{
  background:rgba(124,92,252,.15);color:var(--accent);
}
.bnav-item svg{width:20px;height:20px}

/* ========== REVEAL ANIMATIONS ========== */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .7s var(--transition),transform .7s var(--transition)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}

/* ========== SECTION DIVIDER ========== */
.divider{
  height:1px;background:linear-gradient(90deg,transparent,var(--glass-border),transparent);
  margin:0;
}

/* Highlight text */
.hl{color:var(--accent)}
.hl2{color:var(--accent2)}

/* Progress bar */
#progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0%;z-index:101;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  transition:width .1s;
}

/* glassmorphism card variant */
.glass-card{
  background:var(--glass);
  backdrop-filter:blur(20px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
}

/* ========== SCROLL GRADIENT ========== */
[data-theme="dark"] .courses{
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 50%,var(--bg) 100%);
}




/* All Course */
/* ========== ALL COURSES PAGE STYLING ========== */
.courses-header-v2 {
    padding: 160px 0 60px;
    text-align: center;
    background: radial-gradient(circle at 50% 0%, rgba(124,92,252,0.12), transparent 50%);
}

.courses-header-v2 h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    margin-top: 10px;
}

/* Filter System */
.filter-system {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.filter-pill {
    padding: 10px 24px;
    border-radius: 50px;
    background: var(--surface);
    border: 1px solid var(--glass-border);
    color: var(--text2);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s var(--transition);
    cursor: pointer;
}

.filter-pill:hover, .filter-pill.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: var(--glow);
    transform: translateY(-3px);
}

/* Grid Layout */
.all-courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 32px;
    padding-bottom: 120px;
}

/* Logic for filtering animation */
.course-card.hide {
    display: none;
    opacity: 0;
    transform: scale(0.9);
}

.course-card .course-img {
    height: 190px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-card .course-price {
    font-family: Arial, sans-serif;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--accent);
}

.btn-details-v2 {
    padding: 10px 22px;
    border-radius: 50px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    transition: 0.3s;
}

.course-card:hover .btn-details-v2 {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

@media (max-width: 768px) {
    .courses-header-v2 { padding: 120px 0 40px; }
    .all-courses-grid { gap: 20px; }
}