/* ===========================================================
   Qelvando — dark tech / bento — cyan + violet
   =========================================================== */

:root{
  --bg:#0B0F17;
  --panel:#131A26;
  --panel-2:#0F1521;
  --text:#E6ECF5;
  --text-dim:#9AA8BC;
  --cyan:#22D3EE;
  --violet:#8B5CF6;
  --line:#233042;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 20px 60px -20px rgba(0,0,0,.6);
  --ff-head:'Space Grotesk', sans-serif;
  --ff-body:'Inter', sans-serif;
  --ff-mono:'JetBrains Mono', 'Space Grotesk', monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--ff-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--ff-head);font-weight:700;line-height:1.2;margin:0 0 .5em;}
p{margin:0 0 1em;color:var(--text-dim);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--cyan);color:#04121a;padding:10px 16px;z-index:999;border-radius:0 0 8px 0;}
.skip-link:focus{left:0;}

/* reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal.d1{transition-delay:.08s;}
.reveal.d2{transition-delay:.16s;}
.reveal.d3{transition-delay:.24s;}
.reveal.d4{transition-delay:.32s;}

/* ===================== HEADER ===================== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,15,23,.55);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .35s ease, border-color .35s ease, padding .35s ease;
  padding:18px 0;
}
.site-header.scrolled{
  background:rgba(11,15,23,.92);
  border-bottom:1px solid var(--line);
  padding:10px 0;
  box-shadow:0 10px 30px -18px rgba(0,0,0,.7);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--ff-head);font-weight:700;font-size:1.3rem;letter-spacing:.3px;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--ff-mono);font-weight:700;color:#04121a;font-size:1rem;
  box-shadow:0 0 24px -4px rgba(34,211,238,.6);
}
.nav{display:flex;align-items:center;gap:32px;}
.nav-list{display:flex;gap:26px;}
.nav-link{position:relative;font-size:.95rem;color:var(--text-dim);transition:color .25s ease;padding:4px 0;}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:width .3s ease;}
.nav-link:hover,.nav-link.active{color:var(--text);}
.nav-link:hover::after,.nav-link.active::after{width:100%;}
.nav-cta{display:inline-flex;}
.burger{display:none;flex-direction:column;gap:5px;width:34px;height:34px;align-items:center;justify-content:center;background:none;border:1px solid var(--line);border-radius:8px;}
.burger span{display:block;width:18px;height:2px;background:var(--text);transition:transform .3s ease, opacity .3s ease;}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.active span:nth-child(2){opacity:0;}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;transition:transform .3s ease, box-shadow .3s ease, background .3s ease, color .3s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--violet));color:#04121a;box-shadow:0 12px 30px -10px rgba(139,92,246,.55);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px -10px rgba(34,211,238,.6);}
.btn-outline{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.02);}
.btn-outline:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-3px);}
.btn-ghost{color:var(--cyan);padding:13px 10px;}
.btn-ghost:hover{color:var(--violet);}
.btn-sm{padding:9px 18px;font-size:.85rem;}
.btn-block{width:100%;}

/* ===================== HERO / BENTO ===================== */
.hero{position:relative;padding:70px 0 60px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none;}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.45;animation:float 16s ease-in-out infinite;}
.blob-a{width:420px;height:420px;background:var(--cyan);top:-120px;left:-100px;animation-duration:18s;}
.blob-b{width:380px;height:380px;background:var(--violet);top:60px;right:-140px;animation-duration:22s;animation-delay:-4s;}
.blob-c{width:300px;height:300px;background:#2b6cb0;bottom:-140px;left:35%;animation-duration:20s;animation-delay:-9s;}
@keyframes float{
  0%,100%{transform:translate(0,0) scale(1);}
  33%{transform:translate(30px,-40px) scale(1.08);}
  66%{transform:translate(-25px,25px) scale(.95);}
}
.hero-inner{position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--ff-mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.3);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-text{max-width:680px;margin-bottom:44px;}
.hero-title{font-size:clamp(2.1rem,4.6vw,3.4rem);margin-bottom:.4em;}
.hero-title .grad{background:linear-gradient(135deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:1.08rem;max-width:560px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}

.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.bento-tile{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;position:relative;overflow:hidden;
  transition:transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}
.bento-tile:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.55);box-shadow:0 20px 50px -20px rgba(34,211,238,.35);}
.bento-tile--large{grid-column:span 4;grid-row:span 2;padding:0;}
.bento-tile--img{position:relative;min-height:280px;}
.bento-img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.bento-tile--img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,15,23,0) 30%,rgba(11,15,23,.92));}
.bento-caption{position:absolute;bottom:0;left:0;right:0;padding:22px;z-index:1;}
.bento-caption .tag{font-family:var(--ff-mono);font-size:.72rem;color:var(--cyan);letter-spacing:.08em;text-transform:uppercase;}
.bento-caption h3{margin:.3em 0 0;font-size:1.2rem;}
.bento-tile--stat{grid-column:span 2;display:flex;flex-direction:column;justify-content:center;text-align:left;}
.bento-stat-num{font-family:var(--ff-head);font-size:2.4rem;font-weight:700;background:linear-gradient(135deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;}
.bento-stat-label{color:var(--text-dim);font-size:.9rem;}
.bento-tile--code{grid-column:span 2;font-family:var(--ff-mono);font-size:.8rem;color:#8fd6ff;}
.bento-tile--code .code-dots{display:flex;gap:6px;margin-bottom:12px;}
.bento-tile--code .code-dots span{width:9px;height:9px;border-radius:50%;background:var(--line);}
.bento-tile--code .code-line{white-space:pre;margin-bottom:4px;opacity:.85;}
.bento-tile--code .code-line .kw{color:var(--violet);}
.bento-tile--code .code-line .fn{color:var(--cyan);}

/* marquee */
.marquee-wrap{margin-top:52px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;overflow:hidden;position:relative;}
.marquee-wrap::before,.marquee-wrap::after{content:"";position:absolute;top:0;bottom:0;width:80px;z-index:2;pointer-events:none;}
.marquee-wrap::before{left:0;background:linear-gradient(90deg,var(--bg),transparent);}
.marquee-wrap::after{right:0;background:linear-gradient(270deg,var(--bg),transparent);}
.marquee-track{display:flex;gap:56px;width:max-content;animation:marquee 26s linear infinite;}
.marquee-wrap:hover .marquee-track{animation-play-state:paused;}
.marquee-item{display:flex;align-items:center;gap:10px;font-family:var(--ff-mono);color:var(--text-dim);font-size:1rem;white-space:nowrap;}
.marquee-item .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ===================== SECTIONS ===================== */
.section{padding:90px 0;}
.section-alt{background:var(--panel-2);}
.section-head{max-width:640px;margin:0 auto 50px;text-align:center;}
.section-head.left{margin:0 0 50px;text-align:left;}
.section-title{font-size:clamp(1.7rem,3vw,2.4rem);}
.section-sub{color:var(--text-dim);}

/* features */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.feature-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:transform .3s ease, border-color .3s ease;}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.55);}
.feature-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(139,92,246,.18));display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--cyan);}
.feature-card h3{font-size:1.1rem;}
.feature-card p{font-size:.92rem;margin-bottom:0;}

/* courses */
.filter-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px;}
.filter-btn{padding:10px 20px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--text-dim);font-size:.9rem;font-weight:600;transition:all .3s ease;}
.filter-btn:hover{border-color:var(--cyan);color:var(--text);}
.filter-btn.active{background:linear-gradient(135deg,var(--cyan),var(--violet));color:#04121a;border-color:transparent;}
.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.course-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .35s ease, box-shadow .35s ease;display:flex;flex-direction:column;}
.course-card.is-hidden{display:none;}
.course-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);}
.course-img-wrap{position:relative;height:170px;overflow:hidden;}
.course-img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.course-card:hover .course-img{transform:scale(1.08);}
.course-tag{position:absolute;top:14px;left:14px;background:rgba(11,15,23,.8);border:1px solid var(--line);color:var(--cyan);font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:999px;}
.course-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.course-meta{display:flex;gap:14px;font-size:.8rem;color:var(--text-dim);font-family:var(--ff-mono);}
.course-title{font-size:1.15rem;margin-bottom:0;}
.course-desc{font-size:.92rem;flex:1;}
.course-link{color:var(--cyan);font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:6px;margin-top:auto;transition:gap .3s ease;}
.course-link:hover{gap:12px;color:var(--violet);}

/* stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stat-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px 20px;}
.stat-num{font-family:var(--ff-head);font-size:2.6rem;font-weight:700;background:linear-gradient(135deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-label{color:var(--text-dim);font-size:.9rem;margin-top:6px;}

/* testimonial carousel */
.testimonial-slider{position:relative;max-width:760px;margin:0 auto;}
.testimonial-viewport{overflow:hidden;border-radius:var(--radius);}
.testimonial-track{display:flex;transition:transform .6s cubic-bezier(.65,0,.35,1);}
.testimonial-slide{flex:0 0 100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:42px;text-align:center;}
.testimonial-avatar{width:64px;height:64px;border-radius:50%;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;font-family:var(--ff-head);font-weight:700;font-size:1.3rem;color:#04121a;background:linear-gradient(135deg,var(--cyan),var(--violet));}
.testimonial-quote{font-size:1.1rem;font-style:italic;color:var(--text);margin-bottom:20px;}
.testimonial-name{font-weight:700;font-family:var(--ff-head);}
.testimonial-course{color:var(--cyan);font-size:.85rem;font-family:var(--ff-mono);}
.slider-arrows{display:flex;justify-content:space-between;position:absolute;top:50%;left:-56px;right:-56px;transform:translateY(-50%);pointer-events:none;}
.slider-arrow{pointer-events:all;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--panel);color:var(--text);display:flex;align-items:center;justify-content:center;transition:all .3s ease;}
.slider-arrow:hover{border-color:var(--cyan);color:var(--cyan);transform:scale(1.08);}
.slider-dots{display:flex;justify-content:center;gap:10px;margin-top:24px;}
.slider-dot{width:9px;height:9px;border-radius:50%;background:var(--line);border:none;transition:all .3s ease;}
.slider-dot.active{background:linear-gradient(135deg,var(--cyan),var(--violet));width:26px;border-radius:6px;}

/* CTA */
.cta-section{padding:80px 0;}
.cta-box{
  background:linear-gradient(135deg,rgba(34,211,238,.12),rgba(139,92,246,.12));
  border:1px solid rgba(139,92,246,.4);border-radius:24px;
  padding:60px 50px;text-align:center;position:relative;overflow:hidden;
}
.cta-box h2{font-size:clamp(1.6rem,3vw,2.2rem);}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:24px;}

/* page hero (inner pages) */
.page-hero{padding:60px 0 50px;position:relative;overflow:hidden;}
.breadcrumb{font-family:var(--ff-mono);font-size:.8rem;color:var(--text-dim);margin-bottom:16px;}
.breadcrumb a{color:var(--cyan);}
.page-hero-title{font-size:clamp(2rem,4vw,2.8rem);max-width:760px;}
.page-hero-sub{max-width:640px;font-size:1.05rem;}

/* despre - team & timeline */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.team-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-align:center;transition:transform .3s ease;}
.team-card:hover{transform:translateY(-6px);}
.team-photo{height:190px;overflow:hidden;}
.team-photo img{width:100%;height:100%;object-fit:cover;}
.team-info{padding:18px;}
.team-name{font-weight:700;font-family:var(--ff-head);margin-bottom:2px;}
.team-role{color:var(--cyan);font-size:.85rem;font-family:var(--ff-mono);}

.timeline{position:relative;padding-left:32px;border-left:2px solid var(--line);display:flex;flex-direction:column;gap:36px;}
.timeline-item{position:relative;}
.timeline-dot{position:absolute;left:-40px;top:2px;width:16px;height:16px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 0 4px var(--bg);}
.timeline-year{font-family:var(--ff-mono);color:var(--cyan);font-size:.85rem;margin-bottom:4px;display:block;}
.timeline-content h3{font-size:1.1rem;margin-bottom:6px;}

/* cum functioneaza - steps */
.steps{display:flex;flex-direction:column;gap:0;}
.step-item{display:grid;grid-template-columns:120px 1fr 260px;gap:32px;align-items:center;padding:34px 0;border-bottom:1px solid var(--line);}
.step-item:last-child{border-bottom:none;}
.step-num{font-family:var(--ff-head);font-size:2.6rem;font-weight:700;color:transparent;-webkit-text-stroke:1.5px var(--cyan);opacity:.6;}
.step-title{font-size:1.25rem;margin-bottom:8px;}
.step-desc{margin-bottom:0;}
.step-img{border-radius:var(--radius-sm);overflow:hidden;height:150px;}
.step-img img{width:100%;height:100%;object-fit:cover;}

/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start;}
.contact-info-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:32px;margin-bottom:24px;}
.info-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);}
.info-item:last-child{border-bottom:none;}
.info-icon{width:38px;height:38px;border-radius:10px;background:rgba(34,211,238,.12);display:flex;align-items:center;justify-content:center;color:var(--cyan);flex-shrink:0;}
.info-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);font-family:var(--ff-mono);}
.info-value{font-weight:600;}
.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.contact-form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:36px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-group{margin-bottom:20px;}
.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:8px;color:var(--text);}
.form-group input,.form-group textarea{
  width:100%;padding:13px 16px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel-2);color:var(--text);font-family:var(--ff-body);font-size:.95rem;
  transition:border-color .3s ease, box-shadow .3s ease;
}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.15);}
.form-group textarea{resize:vertical;min-height:120px;}
.form-error{color:#f87171;font-size:.8rem;margin-top:6px;display:none;}
.form-group.invalid input,.form-group.invalid textarea{border-color:#f87171;}
.form-group.invalid .form-error{display:block;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:24px;}
.checkbox-row input{width:18px;height:18px;margin-top:3px;flex-shrink:0;}
.checkbox-row label{font-size:.85rem;color:var(--text-dim);}
.checkbox-row a{color:var(--cyan);}
.form-success{
  display:none;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.4);
  border-radius:12px;padding:18px 20px;margin-top:18px;color:var(--cyan);font-weight:600;
}
.form-success.show{display:block;}

/* faq accordion */
.accordion{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.accordion-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;}
.accordion-question{
  width:100%;text-align:left;background:none;border:none;color:var(--text);
  padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:var(--ff-head);font-size:1rem;font-weight:600;
}
.accordion-question .plus{width:22px;height:22px;flex-shrink:0;position:relative;transition:transform .35s ease;}
.accordion-question .plus::before,.accordion-question .plus::after{content:"";position:absolute;background:var(--cyan);border-radius:2px;}
.accordion-question .plus::before{left:0;top:50%;width:100%;height:2px;transform:translateY(-50%);}
.accordion-question .plus::after{top:0;left:50%;width:2px;height:100%;transform:translateX(-50%);transition:opacity .3s ease;}
.accordion-item.open .plus{transform:rotate(180deg);}
.accordion-item.open .plus::after{opacity:0;}
.accordion-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.accordion-answer-inner{padding:0 24px 22px;}
.accordion-item.open .accordion-answer{max-height:400px;}

/* legal pages */
.legal-content{max-width:820px;margin:0 auto;}
.legal-section{margin-bottom:34px;}
.legal-section h2{font-size:1.3rem;display:flex;gap:12px;align-items:baseline;}
.legal-section h2 .num{font-family:var(--ff-mono);color:var(--cyan);font-size:1rem;}
.cookie-table{width:100%;border-collapse:collapse;margin-top:16px;}
.cookie-table th,.cookie-table td{border:1px solid var(--line);padding:12px 16px;text-align:left;font-size:.9rem;}
.cookie-table th{background:var(--panel);font-family:var(--ff-head);color:var(--cyan);}
.cookie-table td{color:var(--text-dim);}
.table-wrap{overflow-x:auto;}

/* footer */
.site-footer{background:var(--panel-2);border-top:1px solid var(--line);padding:70px 0 26px;margin-top:60px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid var(--line);}
.footer-brand .logo{margin-bottom:14px;}
.footer-desc{max-width:280px;font-size:.9rem;}
.footer-col{min-width:0;}
.footer-title{font-family:var(--ff-head);font-size:.9rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text);margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{color:var(--text-dim);font-size:.92rem;transition:color .25s ease, padding-left .25s ease;}
.footer-links a:hover{color:var(--cyan);padding-left:4px;}
.footer-contact-item{display:flex;gap:10px;color:var(--text-dim);font-size:.9rem;margin-bottom:14px;align-items:flex-start;}
.footer-socials{display:flex;gap:12px;margin-top:18px;}
.social-icon{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text-dim);transition:all .3s ease;}
.social-icon:hover{color:#04121a;background:linear-gradient(135deg,var(--cyan),var(--violet));border-color:transparent;transform:translateY(-3px);}
.footer-bottom{padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:var(--text-dim);}

/* cookie banner */
.cookie-banner{
  position:fixed;left:20px;right:20px;bottom:20px;max-width:640px;margin:0 auto;
  background:rgba(19,26,38,.97);backdrop-filter:blur(10px);border:1px solid var(--line);
  border-radius:16px;padding:22px 26px;z-index:1000;box-shadow:var(--shadow);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  transform:translateY(140%);opacity:0;transition:transform .5s ease, opacity .5s ease;
}
.cookie-banner.visible{transform:translateY(0);opacity:1;}
.cookie-text{font-size:.88rem;color:var(--text-dim);flex:1;min-width:220px;}
.cookie-text a{color:var(--cyan);}
.cookie-actions{display:flex;gap:10px;flex-shrink:0;}

/* misc */
.mono{font-family:var(--ff-mono);}

/* ===================== RESPONSIVE ===================== */
@media (max-width:980px){
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento-tile--large{grid-column:span 2;}
  .bento-tile--stat,.bento-tile--code{grid-column:span 1;}
  .features-grid{grid-template-columns:repeat(2,1fr);}
  .courses-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .team-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .step-item{grid-template-columns:70px 1fr;}
  .step-img{grid-column:span 2;height:180px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:760px){
  .nav{position:fixed;top:0;right:-100%;height:100vh;width:78%;max-width:320px;
    background:rgba(11,15,23,.98);backdrop-filter:blur(16px);
    flex-direction:column;align-items:flex-start;padding:100px 32px 32px;gap:28px;
    transition:right .4s ease;border-left:1px solid var(--line);z-index:90;}
  .nav.open{right:0;}
  .nav-list{flex-direction:column;gap:22px;}
  .burger{display:flex;}
  .slider-arrows{display:none;}
}
@media (max-width:640px){
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-box{padding:40px 24px;}
}