:root{
  --bg-0:#0a0a0f;
  --bg-1:#1a1a2e;
  --bg-2:#16213e;
  --text:#ffffff;
  --text-muted:rgba(255,255,255,.72);
  --border:rgba(255,255,255,.14);
  --border-strong:rgba(255,255,255,.26);
  --glass-0:rgba(255,255,255,.10);
  --glass-1:rgba(255,255,255,.06);
  --shadow-1:0 2px 8px rgba(0,0,0,.12);
  --shadow-2:0 4px 16px rgba(0,0,0,.18);
  --shadow-3:0 8px 32px rgba(0,0,0,.22);
  --shadow-4:0 16px 48px rgba(0,0,0,.28);
  --blue:#007AFF;
  --purple:#5856D6;
  --green:#34C759;
  --orange:#FF9500;
  --red:#FF3B30;
  --radius-8:8px;
  --radius-12:12px;
  --radius-16:16px;
  --radius-20:20px;
  --radius-28:28px;
  --radius-50:50px;
  --space-4:4px;
  --space-8:8px;
  --space-12:12px;
  --space-16:16px;
  --space-20:20px;
  --space-24:24px;
  --space-32:32px;
  --space-48:48px;
  --space-64:64px;
  --space-96:96px;
  --container:1400px;
  --ease:cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  background:linear-gradient(135deg,var(--bg-0) 0%,var(--bg-1) 50%,var(--bg-2) 100%);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  font-weight:400;
  line-height:1.6;
  letter-spacing:-0.01em;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit;color:inherit}

.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

.skip-link{
  position:absolute;
  left:var(--space-16);
  top:var(--space-16);
  padding:var(--space-12) var(--space-16);
  border-radius:var(--radius-12);
  background:rgba(0,0,0,.6);
  border:1px solid var(--border);
  transform:translateY(-200%);
  transition:transform .2s var(--ease);
  z-index:9999;
}
.skip-link:focus{transform:translateY(0)}

.container{
  width:min(100% - 2*var(--space-16),var(--container));
  margin-inline:auto;
}

.main{padding-top:84px}

.text-muted{color:var(--text-muted)}
.h3{font-size:2rem;line-height:1.25;margin:0 0 var(--space-16)}
.h4{font-size:1.5rem;line-height:1.3;margin:var(--space-24) 0 var(--space-12)}

.section{padding:var(--space-96) 0}
.section--tight{padding:var(--space-64) 0}
.section__head{margin-bottom:var(--space-32)}
.section__head--split{
  display:flex;
  gap:var(--space-24);
  align-items:flex-end;
  justify-content:space-between;
}
.section__title{
  font-size:2.75rem;
  line-height:1.2;
  margin:0 0 var(--space-8);
  font-weight:700;
  letter-spacing:-0.03em;
}

.page-head{margin-bottom:var(--space-32)}
.page-head__title{
  font-size:3rem;
  line-height:1.15;
  margin:0 0 var(--space-8);
  font-weight:700;
  letter-spacing:-0.03em;
}

.gradient-text{
  background:linear-gradient(135deg,#667eea 0%,#764ba2 50%,#f093fb 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:transparent;
}

.frosted-card{
  background:linear-gradient(135deg,var(--glass-0) 0%,var(--glass-1) 100%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  backdrop-filter:blur(20px) saturate(180%);
  border:1px solid var(--border);
  border-radius:var(--radius-20);
  box-shadow:var(--shadow-2);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.frosted-card:hover{
  border-color:var(--border-strong);
  box-shadow:var(--shadow-3);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:var(--space-8);
  padding:12px 16px;
  border-radius:var(--radius-12);
  border:1px solid transparent;
  cursor:pointer;
  user-select:none;
  text-align:center;
  min-height:44px;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), opacity .2s var(--ease);
}
.btn:active{transform:scale(.95)}
.btn--lg{padding:14px 18px;border-radius:var(--radius-20);min-height:52px}
.btn--block{width:100%}
.btn--primary{
  background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);
  color:#fff;
  box-shadow:0 10px 30px rgba(102,126,234,.18);
}
.btn--primary:hover{box-shadow:0 16px 48px rgba(102,126,234,.26)}
.btn--glass{
  background:rgba(10,10,15,.65);
  border-color:var(--border);
  color:var(--text);
}
.btn--glass:hover{border-color:var(--border-strong)}
.btn[disabled]{opacity:.55;pointer-events:none}
.btn__spinner{
  width:16px;height:16px;
  border-radius:999px;
  border:2px solid rgba(255,255,255,.25);
  border-top-color:rgba(255,255,255,.9);
  display:none;
}
.btn.is-loading .btn__spinner{display:inline-block}
.btn.is-loading .btn__label{opacity:.75}

.badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:6px 10px;
  border-radius:999px;
  font-size:.875rem;
  font-weight:500;
  letter-spacing:-0.01em;
  border:1px solid transparent;
}
.badge-primary{background:rgba(0,122,255,.18);border-color:rgba(0,122,255,.35);color:#cfe4ff}
.badge-outline{background:rgba(255,255,255,.06);border-color:var(--border);color:rgba(255,255,255,.86)}

.pill{
  display:inline-flex;
  align-items:center;
  gap:var(--space-8);
  padding:10px 12px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(10,10,15,.45);
  font-size:.95rem;
}

.icon{
  width:20px;height:20px;
  display:inline-block;
  background:currentColor;
  -webkit-mask-repeat:no-repeat;
  -webkit-mask-position:center;
  -webkit-mask-size:contain;
  mask-repeat:no-repeat;
  mask-position:center;
  mask-size:contain;
  opacity:.95;
}
.icon--close{mask-image:url("/assets/icons/close.svg");-webkit-mask-image:url("/assets/icons/close.svg")}
.icon--rocket{mask-image:url("/assets/icons/rocket.svg");-webkit-mask-image:url("/assets/icons/rocket.svg")}
.icon--users{mask-image:url("/assets/icons/users.svg");-webkit-mask-image:url("/assets/icons/users.svg")}
.icon--briefcase{mask-image:url("/assets/icons/briefcase.svg");-webkit-mask-image:url("/assets/icons/briefcase.svg")}
.icon--chat{mask-image:url("/assets/icons/chat.svg");-webkit-mask-image:url("/assets/icons/chat.svg")}
.icon--award{mask-image:url("/assets/icons/award.svg");-webkit-mask-image:url("/assets/icons/award.svg")}
.icon--infinity{mask-image:url("/assets/icons/infinity.svg");-webkit-mask-image:url("/assets/icons/infinity.svg")}
.icon--arrow-left{mask-image:url("/assets/icons/arrow-left.svg");-webkit-mask-image:url("/assets/icons/arrow-left.svg")}
.icon--arrow-right{mask-image:url("/assets/icons/arrow-right.svg");-webkit-mask-image:url("/assets/icons/arrow-right.svg")}
.icon--spark{mask-image:url("/assets/icons/spark.svg");-webkit-mask-image:url("/assets/icons/spark.svg")}
.icon--chevron{mask-image:url("/assets/icons/chevron.svg");-webkit-mask-image:url("/assets/icons/chevron.svg")}
.icon--twitter{mask-image:url("/assets/icons/twitter.svg");-webkit-mask-image:url("/assets/icons/twitter.svg")}
.icon--github{mask-image:url("/assets/icons/github.svg");-webkit-mask-image:url("/assets/icons/github.svg")}
.icon--youtube{mask-image:url("/assets/icons/youtube.svg");-webkit-mask-image:url("/assets/icons/youtube.svg")}

.icon-btn{
  width:44px;height:44px;
  border-radius:var(--radius-12);
  border:1px solid var(--border);
  background:rgba(10,10,15,.5);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.icon-btn:hover{border-color:var(--border-strong)}
.icon-btn:active{transform:scale(.95)}

.nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(10,10,15,.8);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav__inner{
  height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-16);
}
.nav__brand{
  display:flex;
  align-items:center;
  gap:var(--space-12);
  min-width:240px;
}
.nav__logo{
  width:40px;height:40px;
  border-radius:14px;
  background:linear-gradient(135deg,#667eea 0%,#764ba2 50%,#f093fb 100%);
  box-shadow:0 10px 30px rgba(118,75,162,.25);
}
.nav__name{font-weight:700;letter-spacing:-0.02em}
.nav__menu{
  display:flex;
  align-items:center;
  gap:var(--space-16);
}
.nav__link{
  padding:10px 12px;
  border-radius:999px;
  color:rgba(255,255,255,.78);
  transition:background .2s var(--ease), color .2s var(--ease);
}
.nav__link:hover{background:rgba(255,255,255,.06);color:#fff}
.nav__link.is-active{background:rgba(0,122,255,.18);color:#fff}
.nav__actions{display:flex;align-items:center;gap:var(--space-12)}
.nav__hamburger{
  width:44px;height:44px;
  border-radius:var(--radius-12);
  border:1px solid var(--border);
  background:rgba(10,10,15,.5);
  cursor:pointer;
  display:none;
  padding:0;
  align-items:center;
  justify-content:center;
  gap:5px;
  flex-direction:column;
}
.nav__hamburger span{
  width:18px;height:2px;
  border-radius:10px;
  background:rgba(255,255,255,.9);
}

.nav-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s var(--ease);
}
.nav-overlay.is-open{opacity:1;pointer-events:auto}
.nav-overlay__panel{
  position:absolute;
  inset:16px;
  border-radius:var(--radius-28);
  padding:var(--space-24);
  display:flex;
  flex-direction:column;
  gap:var(--space-24);
  transform:translateY(16px) scale(.98);
  transition:transform .25s var(--ease);
}
.nav-overlay.is-open .nav-overlay__panel{transform:translateY(0) scale(1)}
.nav-overlay__top{display:flex;align-items:center;justify-content:space-between}
.nav-overlay__title{font-weight:700;font-size:1.1rem}
.nav-overlay__links{display:flex;flex-direction:column;gap:var(--space-8)}
.nav-overlay__link{
  padding:14px 14px;
  border-radius:var(--radius-12);
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
}
.nav-overlay__cta{margin-top:auto}

.hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.hero__bg{position:absolute;inset:-10%;filter:saturate(120%);opacity:.9}
.mesh{
  position:absolute;
  width:60vmax;height:60vmax;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%, rgba(102,126,234,.55), transparent 60%),
             radial-gradient(circle at 70% 70%, rgba(240,147,251,.45), transparent 60%);
  mix-blend-mode:screen;
}
.mesh--one{top:-10vmax;left:-10vmax}
.mesh--two{bottom:-14vmax;right:-12vmax;background:radial-gradient(circle at 30% 30%, rgba(88,86,214,.6), transparent 60%),radial-gradient(circle at 70% 70%, rgba(0,122,255,.35), transparent 60%)}
.mesh--three{top:10vmax;right:18vmax;width:50vmax;height:50vmax;background:radial-gradient(circle at 30% 30%, rgba(52,199,89,.42), transparent 60%),radial-gradient(circle at 70% 70%, rgba(255,149,0,.35), transparent 60%)}

.hero__inner{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:var(--space-48);
  align-items:center;
  padding:var(--space-96) 0;
}
.hero__copy{max-width:680px}
.hero__title{
  font-size:3.5rem;
  line-height:1.1;
  margin:var(--space-16) 0 var(--space-16);
  font-weight:800;
  letter-spacing:-0.04em;
}
.hero__subtitle{font-size:1.05rem;max-width:54ch}
.hero__actions{display:flex;gap:var(--space-12);flex-wrap:wrap;margin-top:var(--space-24)}
.hero__meta{display:flex;gap:var(--space-12);flex-wrap:wrap;margin-top:var(--space-24)}
.hero__visual{position:relative}
.float-stack{
  position:relative;
  height:480px;
}
.float-card{
  position:absolute;
  width:min(360px,85%);
  padding:var(--space-20);
  border-radius:var(--radius-28);
}
.float-card:nth-child(1){top:0;left:0}
.float-card:nth-child(2){top:150px;right:0}
.float-card:nth-child(3){bottom:0;left:10%}
.float-card__top{display:flex;align-items:center;gap:var(--space-12);margin-bottom:var(--space-12)}
.float-card__title{font-weight:700}

.icon-container{
  width:64px;height:64px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(0,122,255,.18);
  border:1px solid rgba(0,122,255,.35);
  color:#d7eaff;
  flex:0 0 auto;
}
.icon-container--purple{background:rgba(88,86,214,.18);border-color:rgba(88,86,214,.35);color:#dcdcff}
.icon-container--green{background:rgba(52,199,89,.18);border-color:rgba(52,199,89,.35);color:#d6ffe4}
.icon-container--orange{background:rgba(255,149,0,.18);border-color:rgba(255,149,0,.35);color:#ffe6c4}
.icon-container--red{background:rgba(255,59,48,.18);border-color:rgba(255,59,48,.35);color:#ffd1cf}
.icon-container .icon{width:28px;height:28px}

.grid{display:grid;gap:var(--space-24)}
.features{grid-template-columns:repeat(3,1fr)}
.feature-card{
  padding:var(--space-24);
  border-radius:var(--radius-28);
  transform:translateZ(0);
}
.feature-card:hover{transform:translateY(-8px) scale(1.02)}
.feature-card__title{margin:var(--space-16) 0 var(--space-8);font-size:1.5rem;letter-spacing:-0.02em}

.courses-grid{grid-template-columns:repeat(3,1fr)}
.course-card{overflow:hidden;border-radius:var(--radius-28)}
.course-card:hover{transform:translateY(-12px)}
.course-card__media{display:block;position:relative}
.course-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.course-card__badge{position:absolute;left:var(--space-16);top:var(--space-16)}
.course-card__body{padding:var(--space-20)}
.course-card__title{margin:0 0 var(--space-8);font-size:1.25rem;line-height:1.25;font-weight:700;letter-spacing:-0.02em}
.course-card__title a:hover{text-decoration:underline}
.course-card__meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-12);
  margin-top:var(--space-16);
}
.course-card__bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-12);
  margin-top:var(--space-16);
}
.price{font-weight:700;font-size:1.05rem}
.stars{
  width:110px;height:14px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  position:relative;
  overflow:hidden;
}
.stars__fill{
  position:absolute;left:0;top:0;bottom:0;
  background:linear-gradient(90deg, rgba(255,149,0,.9), rgba(255,59,48,.9));
}

.projects-preview{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--space-24);
}
.project-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-28);
  min-height:260px;
}
.project-card__img{width:100%;height:100%;object-fit:cover}
.project-card__overlay{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  padding:var(--space-20);
  background:linear-gradient(180deg, rgba(0,0,0,.10) 0%, rgba(0,0,0,.70) 100%);
  opacity:0;
  transform:translateY(12px);
  transition:opacity .25s var(--ease), transform .25s var(--ease);
}
.project-card:hover .project-card__overlay{opacity:1;transform:translateY(0)}
.project-card__top{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-12)}
.tech-badges{display:flex;flex-wrap:wrap;gap:var(--space-8);justify-content:flex-end}
.project-card__title{font-size:1.25rem;font-weight:700;letter-spacing:-0.02em}
.project-card__actions{display:flex;justify-content:flex-end}

.carousel{
  padding:var(--space-24);
  border-radius:var(--radius-28);
}
.carousel__track{
  display:flex;
  transition:transform .6s var(--ease);
  will-change:transform;
}
.carousel__slide{
  flex:0 0 100%;
  padding:var(--space-16);
}
.carousel__text{font-size:1.15rem;line-height:1.6;margin:var(--space-8) 0 var(--space-24)}
.quote-icon{
  width:44px;height:44px;
  border-radius:16px;
  background:rgba(255,255,255,.08);
  border:1px solid var(--border);
  position:relative;
}
.quote-icon::before{
  content:"";
  position:absolute;
  inset:12px;
  border-radius:10px;
  background:linear-gradient(135deg,#667eea 0%,#f093fb 100%);
  opacity:.9;
}
.carousel__person{display:flex;align-items:center;gap:var(--space-12)}
.avatar{
  width:48px;height:48px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
  font-weight:700;
}
.carousel__name{font-weight:700}
.carousel__controls{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:var(--space-12);
  margin-top:var(--space-16);
}
.carousel__dots{display:flex;gap:var(--space-8)}
.dot{
  width:8px;height:8px;
  border-radius:50%;
  border:1px solid var(--border);
  background:rgba(255,255,255,.15);
  cursor:pointer;
}
.dot.is-active{background:rgba(0,122,255,.7);border-color:rgba(0,122,255,.9)}

.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--space-16);
  padding:var(--space-24);
  border-radius:var(--radius-28);
}
.stats--compact{grid-template-columns:repeat(2,1fr)}
.stat{
  display:flex;
  flex-direction:column;
  gap:var(--space-4);
  padding:var(--space-16);
  border-radius:var(--radius-20);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}
.stat__icon{color:rgba(255,255,255,.9)}
.stat__value{font-size:2rem;font-weight:800;letter-spacing:-0.03em}

.blog-grid{grid-template-columns:repeat(3,1fr)}
.blog-card{overflow:hidden;border-radius:var(--radius-28)}
.blog-card__media{display:block;position:relative}
.blog-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.blog-card__badge{position:absolute;left:var(--space-16);top:var(--space-16)}
.blog-card__body{padding:var(--space-20)}
.blog-card__title{margin:0 0 var(--space-8);font-size:1.25rem;line-height:1.25;font-weight:700}
.blog-card__meta{display:flex;align-items:center;justify-content:space-between;margin-top:var(--space-16)}
.blog-card__arrow{opacity:.9}

.cta{
  border-radius:var(--radius-28);
  padding:var(--space-32);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-24);
}
.cta__title{margin:0 0 var(--space-8);font-size:2rem;line-height:1.25;font-weight:800}
.cta__actions{display:flex;gap:var(--space-12);flex-wrap:wrap}

.footer{
  padding:var(--space-64) 0 var(--space-48);
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(10,10,15,.55);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
}
.footer__grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:var(--space-24);
}
.footer__title{font-weight:700;margin-bottom:var(--space-12)}
.footer__link{display:block;color:rgba(255,255,255,.75);padding:8px 0}
.footer__link:hover{color:#fff}
.footer__brand{display:flex;align-items:center;gap:var(--space-12);margin-bottom:var(--space-12)}
.footer__name{font-weight:800}
.footer__social{display:flex;gap:var(--space-12);margin-top:var(--space-16)}
.footer__bottom{
  margin-top:var(--space-32);
  padding-top:var(--space-24);
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-16);
  flex-wrap:wrap;
}
.footer__legal{display:flex;gap:var(--space-16)}

.frosted-input{
  width:100%;
  padding:12px 14px;
  border-radius:var(--radius-12);
  border:1px solid var(--border);
  background:rgba(10,10,15,.55);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  outline:none;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.frosted-input:focus{
  border-color:rgba(0,122,255,.8);
  box-shadow:0 0 0 4px rgba(0,122,255,.18);
}
.frosted-textarea{resize:vertical;min-height:140px}
.form{display:flex;flex-direction:column;gap:var(--space-16)}
.form-row{display:flex;flex-direction:column;gap:var(--space-8)}
.form-label{font-weight:600}
.form-error{min-height:18px;font-size:.9rem;color:rgba(255,59,48,.95)}
.form-hint{margin-top:var(--space-12);min-height:20px;color:rgba(255,255,255,.8)}

.newsletter{padding:var(--space-16);border-radius:var(--radius-20);display:flex;flex-direction:column;gap:var(--space-12)}

.toast-stack{
  position:fixed;
  right:16px;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:12px;
  z-index:2000;
}
.toast{
  width:min(360px,calc(100vw - 32px));
  padding:12px 14px;
  border-radius:var(--radius-16);
  background:rgba(10,10,15,.8);
  border:1px solid var(--border);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  box-shadow:var(--shadow-3);
  transform:translateX(12px);
  opacity:0;
  transition:transform .3s var(--ease), opacity .3s var(--ease);
}
.toast.is-visible{transform:translateX(0);opacity:1}

.modal{
  position:fixed;
  inset:0;
  opacity:0;
  pointer-events:none;
  display:grid;
  place-items:center;
  z-index:3000;
}
.modal.is-open{opacity:1;pointer-events:auto}
.modal__backdrop{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.55);
}
.modal__panel{
  position:relative;
  width:min(720px,calc(100vw - 32px));
  border-radius:var(--radius-28);
  padding:var(--space-20);
  transform:translateY(10px) scale(.96);
  transition:transform .25s var(--ease);
}
.modal.is-open .modal__panel{transform:translateY(0) scale(1)}
.modal__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-16)}
.modal__title{font-weight:800;letter-spacing:-0.02em}
.video-placeholder{
  display:grid;
  place-items:center;
  gap:var(--space-12);
  padding:var(--space-48);
  border-radius:var(--radius-20);
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.03);
}
.video-placeholder__icon{
  width:72px;height:72px;border-radius:24px;
  background:linear-gradient(135deg,#667eea 0%,#f093fb 100%);
  box-shadow:var(--shadow-3);
}

.toolbar{
  padding:var(--space-16);
  border-radius:var(--radius-28);
  display:flex;
  flex-wrap:wrap;
  gap:var(--space-16);
  align-items:center;
  justify-content:space-between;
  margin-bottom:var(--space-24);
}
.toolbar__search{flex:1;min-width:220px}
.toolbar__hint{white-space:nowrap}
.tabs{display:flex;flex-wrap:wrap;gap:var(--space-8);justify-content:flex-end}
.tab{
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  padding:10px 12px;
  cursor:pointer;
  transition:border-color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}
.tab:hover{border-color:var(--border-strong)}
.tab:active{transform:scale(.98)}
.tab.is-active{background:rgba(0,122,255,.18);border-color:rgba(0,122,255,.35)}

.masonry{column-count:3;column-gap:var(--space-24)}
.masonry-item{break-inside:avoid;margin:0 0 var(--space-24)}
.masonry-item--sm{min-height:220px}
.masonry-item--md{min-height:300px}
.masonry-item--lg{min-height:380px}

.detail-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:var(--space-24);
  align-items:start;
}
.detail-head{margin-bottom:var(--space-24)}
.detail-title{margin:var(--space-12) 0 var(--space-12);font-size:2.75rem;line-height:1.15;font-weight:800;letter-spacing:-0.04em}
.detail-meta{display:flex;flex-wrap:wrap;gap:var(--space-12);margin-top:var(--space-16)}
.detail-content{padding:var(--space-24);border-radius:var(--radius-28)}
.course-aside__thumb,.project-aside__img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-20)}
.course-aside__body,.project-aside__body{padding:var(--space-20)}
.course-aside__price{font-size:2rem;font-weight:800;letter-spacing:-0.03em;margin-bottom:var(--space-12)}
.course-aside__fine{margin-top:var(--space-12)}

.accordion{display:flex;flex-direction:column;gap:var(--space-12)}
.accordion__item{border-radius:var(--radius-20);border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.03);overflow:hidden}
.accordion__button{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-12);
  padding:14px 16px;
  background:transparent;
  border:0;
  cursor:pointer;
  font-weight:700;
}
.accordion__panel{padding:0 16px 16px}

.list{margin:0;padding-left:18px;color:rgba(255,255,255,.85)}
.list--tight{display:flex;flex-direction:column;gap:var(--space-8)}
.chips{display:flex;flex-wrap:wrap;gap:var(--space-8)}
.chip{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  font-weight:600;
}
.chip--blue{border-color:rgba(0,122,255,.35)}
.chip--purple{border-color:rgba(88,86,214,.35)}
.chip--green{border-color:rgba(52,199,89,.35)}
.chip--orange{border-color:rgba(255,149,0,.35)}
.chip--red{border-color:rgba(255,59,48,.35)}

.blog-list{display:flex;flex-direction:column;gap:var(--space-24)}
.blog-row{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:var(--space-20);
  padding:var(--space-20);
  border-radius:var(--radius-28);
}
.blog-row__media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-20)}
.blog-row__top{display:flex;align-items:center;justify-content:space-between;gap:var(--space-12)}
.blog-row__title{margin:var(--space-12) 0 var(--space-8);font-size:1.5rem;line-height:1.25;font-weight:800;letter-spacing:-0.03em}
.blog-row__more{display:inline-flex;align-items:center;gap:var(--space-8);margin-top:var(--space-12);color:#fff}

.post{display:flex;flex-direction:column;gap:var(--space-24)}
.post__head{max-width:860px}
.post__top{display:flex;align-items:center;justify-content:space-between;gap:var(--space-12)}
.post__title{margin:var(--space-12) 0 var(--space-8);font-size:3rem;line-height:1.1;font-weight:800;letter-spacing:-0.04em}
.post__media{overflow:hidden;border-radius:var(--radius-28)}
.post__media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post__content{padding:var(--space-24);border-radius:var(--radius-28);max-width:860px}
.post__content p{margin:0 0 var(--space-16)}
.post__actions{display:flex;gap:var(--space-12);flex-wrap:wrap}

.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:var(--space-24);align-items:start}
.contact-card{padding:var(--space-24);border-radius:var(--radius-28)}
.contact-aside__card{padding:var(--space-24);border-radius:var(--radius-28)}

.dashboard-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:var(--space-24)}
.dashboard-courses{display:flex;flex-direction:column;gap:var(--space-16);margin-top:var(--space-12)}
.dashboard-course{padding:var(--space-16);border-radius:var(--radius-20);border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.03)}
.dashboard-course__meta{display:flex;align-items:center;justify-content:space-between;gap:var(--space-12)}
.dashboard-course__title{font-weight:800;letter-spacing:-0.02em}
.progress{height:10px;border-radius:999px;background:rgba(255,255,255,.10);overflow:hidden;margin-top:var(--space-12)}
.progress__bar{height:100%;background:linear-gradient(90deg,#667eea 0%,#f093fb 100%)}
.quick-actions{grid-template-columns:repeat(3,1fr)}
.quick-action{padding:var(--space-16);border-radius:var(--radius-28);display:flex;flex-direction:column;gap:var(--space-12)}
.quick-action__title{font-weight:800;letter-spacing:-0.02em}

.about-grid{grid-template-columns:repeat(3,1fr)}

.error-card{padding:var(--space-32);border-radius:var(--radius-28);text-align:center}
.error-card__code{font-size:4.5rem;font-weight:900;letter-spacing:-0.06em}
.error-card__title{margin:var(--space-12) 0 var(--space-8);font-size:2rem;font-weight:800}
.error-card__actions{display:flex;justify-content:center;gap:var(--space-12);flex-wrap:wrap;margin-top:var(--space-24)}

.page-loader{
  position:fixed;
  inset:0;
  background:rgba(10,10,15,.8);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  display:grid;
  place-items:center;
  z-index:5000;
  opacity:1;
  transition:opacity .35s var(--ease);
}
.page-loader.is-hidden{opacity:0;pointer-events:none}
.page-loader__bar{
  width:min(420px,calc(100vw - 64px));
  height:10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  overflow:hidden;
}
.page-loader__barFill{
  height:100%;
  width:0%;
  background:linear-gradient(90deg,#667eea 0%,#764ba2 50%,#f093fb 100%);
}