:root{
  --bg:#070b12;
  --bg2:#0d1421;
  --card:#121b2c;
  --card2:#172235;
  --txt:#edf4ff;
  --muted:#9fb2cc;
  --line:#25354d;
  --accent:#32d6ff;
  --accent2:#7cf59f;
  --warning:#ffce4f;
  --danger:#ff5f7a;
  --shadow:0 24px 90px rgba(0,0,0,.38);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",Inter,Arial,sans-serif;
  color:var(--txt);
  background:
    radial-gradient(circle at top left,#12304a 0,#080d14 38%,#05070b 100%);
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 7%;
  background:rgba(8,13,20,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;gap:12px;align-items:center}
.brand-logo{
  width:46px;
  height:46px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:grid;
  place-items:center;
  color:#06111c;
  font-weight:900;
  font-size:1.2rem;
}
.brand strong{font-size:1.08rem}
.brand span{display:block;color:var(--muted);font-size:.82rem}
.nav{display:flex;align-items:center;gap:18px;color:#dce8f7;font-weight:750}
.nav a:hover{color:var(--accent)}
.actions{display:flex;align-items:center;gap:10px}
.btn,.btn-outline,.btn-dark,.btn-white{
  border-radius:999px;
  padding:11px 18px;
  font-weight:850;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition:.22s;
  border:0;
  cursor:pointer;
}
.btn{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#06111c;
  box-shadow:0 0 0 3px rgba(50,214,255,.12),0 10px 30px rgba(50,214,255,.18);
}
.btn-outline{
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.04);
  color:#dce8f7;
}
.btn-dark{
  border:1px solid rgba(255,255,255,.18);
  background:#06111c;
  color:white;
}
.btn-white{
  background:white;
  color:#06111c;
}
.btn:hover,.btn-outline:hover,.btn-dark:hover,.btn-white:hover{
  transform:translateY(-2px);
}
.menu-toggle{
  display:none;
  background:none;
  border:0;
  color:white;
  font-size:28px;
}

.side-toggle{
  position:fixed;
  left:18px;
  top:86px;
  z-index:35;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(7,11,18,.84);
  backdrop-filter:blur(14px);
  color:#e9fbff;
  border-radius:999px;
  padding:10px 14px;
  font-weight:900;
  cursor:pointer;
  box-shadow:0 14px 36px rgba(0,0,0,.24);
}
.side-toggle:hover{border-color:rgba(50,214,255,.65);color:#fff}
.side-rail{
  position:fixed;
  left:18px;
  top:132px;
  z-index:34;
  display:flex;
  flex-direction:column;
  gap:8px;
  background:rgba(7,11,18,.72);
  border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(14px);
  border-radius:22px;
  padding:10px;
  transition:transform .22s ease,opacity .22s ease;
}
.side-rail a{
  font-size:.78rem;
  color:#b9cce2;
  display:flex;
  gap:8px;
  align-items:center;
  padding:9px 10px;
  border-radius:14px;
  font-weight:750;
}
.side-rail a:hover{background:rgba(50,214,255,.12);color:#fff}
.side-rail span{color:var(--accent);font-weight:900}
body.side-collapsed .side-rail{transform:translateX(-130%);opacity:0;pointer-events:none}
body.side-collapsed .side-toggle{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#06111c;border-color:transparent}

.hero{
  min-height:calc(100vh - 75px);
  position:relative;
  overflow:hidden;
  padding:88px 7% 54px;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:44px;
  align-items:center;
  background:
    linear-gradient(90deg,rgba(3,7,15,.92) 0%,rgba(4,12,24,.82) 43%,rgba(4,15,30,.42) 100%),
    url('../img/hero/python-hero.svg') center/cover no-repeat;
}
.hero:before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 75% 38%,rgba(50,214,255,.32),transparent 32%),
    radial-gradient(circle at 58% 72%,rgba(124,245,159,.16),transparent 38%),
    linear-gradient(180deg,rgba(2,6,13,.08),rgba(2,6,13,.88));
  pointer-events:none;
}
.hero:after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:190px;
  background:linear-gradient(180deg,transparent,var(--bg));
  pointer-events:none;
}
.hero>*{position:relative;z-index:2}
.badge,.eyebrow{
  display:inline-flex;
  gap:8px;
  align-items:center;
  border:1px solid #28516a;
  background:rgba(50,214,255,.08);
  color:#b9edff;
  border-radius:999px;
  padding:8px 14px;
  font-weight:850;
  font-size:.88rem;
}
.eyebrow{
  margin-bottom:12px;
  text-transform:uppercase;
  letter-spacing:.08em;
}
.hero h1{
  font-size:clamp(2.4rem,5vw,5.25rem);
  line-height:.98;
  margin:20px 0;
  letter-spacing:-.05em;
}
.lead{
  font-size:1.18rem;
  color:#c7d4e7;
  line-height:1.75;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}
.trust{display:flex;flex-wrap:wrap;gap:10px;color:#cbd8e8}
.trust span{
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.04);
  padding:8px 12px;
  border-radius:999px;
  font-size:.9rem;
}
.hero-card{
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,27,44,.95),rgba(10,16,27,.92));
  border-radius:30px;
  padding:26px;
  box-shadow:var(--shadow);
}
.editor{
  background:#05080d;
  border:1px solid #1d3147;
  border-radius:22px;
  overflow:hidden;
}
.editor-top{
  height:42px;
  display:flex;
  gap:8px;
  align-items:center;
  padding:0 16px;
  border-bottom:1px solid #17253a;
}
.editor-top i{width:11px;height:11px;border-radius:50%;background:#34465f}
.editor-title{
  margin-left:auto;
  color:#8fb0d5;
  font-family:Consolas,monospace;
}
.editor pre{
  margin:0;
  padding:20px;
  overflow:auto;
  color:#b8ffc9;
  font-family:Consolas,monospace;
  line-height:1.7;
}
.kpi{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  margin-top:20px;
}
.kpi div{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px;
}
.kpi strong{font-size:2rem;color:var(--accent2);display:block}
.kpi span{color:var(--muted);font-size:.9rem}

.section{padding:64px 7%}
.section-title{max-width:900px;margin-bottom:30px}
.section-title h2{
  font-size:clamp(2rem,4vw,3.35rem);
  margin:0 0 12px;
  line-height:1.05;
  letter-spacing:-.035em;
}
.section-title p{color:var(--muted);line-height:1.7}
.split{display:grid;grid-template-columns:.88fr 1.12fr;gap:34px;align-items:start}
.sticky-title{position:sticky;top:115px}
.feature-list{display:grid;gap:16px}
.feature,.outcome,.tool,.quote{
  background:linear-gradient(180deg,var(--card),rgba(18,27,44,.7));
  border:1px solid var(--line);
  border-radius:24px;
  padding:24px;
  position:relative;
  overflow:hidden;
  box-shadow:0 18px 55px rgba(0,0,0,.14);
}
.feature b{color:var(--accent);font-size:.9rem}
.feature h3{font-size:1.5rem;margin:.5rem 0}
.feature p,.outcome p,.tool p,.quote p{
  color:#b7c7dd;
  line-height:1.6;
}
.outcomes,.tools,.testimonials{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.outcome span{font-size:2.3rem}
.outcome h3,.tool h3{color:#e9fbff}
.modules{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:17px;
}
.module-card{
  padding:0;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  min-height:430px;
  background:linear-gradient(180deg,#121b2c,#0b111d);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  border:1px solid var(--line);
  border-radius:22px;
}
.module-card:hover{
  transform:translateY(-7px);
  border-color:rgba(50,214,255,.65);
  box-shadow:0 18px 55px rgba(0,0,0,.35);
}
.module-img{
  height:178px;
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#0b1220,#123f66);
}
.module-img:after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.02),rgba(0,0,0,.52));
  z-index:2;
}
.module-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(1.15) contrast(1.05);
  transform:scale(1.02);
  transition:transform .35s ease,filter .35s ease;
}
.module-card:hover .module-img img{
  transform:scale(1.08);
  filter:saturate(1.28) contrast(1.1);
}
.module-num{
  position:absolute;
  z-index:3;
  left:16px;
  bottom:14px;
  padding:7px 11px;
  border-radius:999px;
  background:rgba(5,8,13,.68);
  border:1px solid rgba(255,255,255,.2);
  font-size:.78rem;
  font-weight:900;
  color:#fff;
  letter-spacing:.03em;
}
.module-body{
  padding:19px 20px 22px;
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1;
}
.module-tag{
  display:inline-flex;
  align-self:flex-start;
  color:#06111c;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  border-radius:999px;
  padding:6px 10px;
  font-size:.75rem;
  font-weight:900;
}
.module-card h3{
  margin:4px 0;
  line-height:1.2;
  font-size:1.08rem;
}
.module-card p{
  margin:0;
  color:#aebed4;
  font-size:.92rem;
  line-height:1.48;
  flex:1;
}
.card-actions{display:flex;gap:8px;margin-top:10px}
.card-actions a{flex:1;text-align:center}
.faq-list{display:grid;gap:12px;max-width:950px}
.faq-list details{
  background:#0b121e;
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px;
}
.faq-list summary{cursor:pointer;font-weight:900;color:#e9fbff}
.faq-list p{color:#b7c7dd;line-height:1.65}
.cta{
  margin:40px 7%;
  padding:42px;
  border-radius:30px;
  background:linear-gradient(135deg,rgba(50,214,255,.18),rgba(124,245,159,.13));
  border:1px solid #2c536a;
  display:flex;
  justify-content:space-between;
  gap:30px;
  align-items:center;
}
.cta h2{font-size:2.2rem;margin:0 0 10px}
.cta p{color:#c8d7e9}
.footer{
  display:flex;
  justify-content:space-between;
  gap:30px;
  padding:34px 7%;
  border-top:1px solid var(--line);
  background:#060a10;
  color:#aebdd1;
}
.footer a{margin-left:18px;color:#d9f4ff}

.form-page{
  min-height:calc(100vh - 75px);
  padding:60px 7%;
  display:grid;
  place-items:center;
  background:radial-gradient(circle at top left,#12304a 0,#080d14 45%,#05070b 100%);
}
.form-box{
  max-width:520px;
  width:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:26px;
  padding:28px;
  box-shadow:var(--shadow);
}
.form-box h1{margin-top:0}
.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:7px;color:#c9d8ea;font-weight:800}
.input{
  width:100%;
  padding:13px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#0a111d;
  color:white;
}
.alert{padding:14px;border-radius:14px;margin:14px 0}
.alert.error{background:rgba(255,95,122,.12);border:1px solid rgba(255,95,122,.4);color:#ffdbe2}
.alert.ok{background:rgba(124,245,159,.12);border:1px solid rgba(124,245,159,.4);color:#d9ffe4}
.dashboard{
  display:grid;
  grid-template-columns:260px 1fr;
  min-height:calc(100vh - 76px);
}
.sidebar{
  border-right:1px solid var(--line);
  background:#08101b;
  padding:24px;
}
.sidebar a{
  display:block;
  padding:12px 14px;
  border-radius:12px;
  color:#c9d8ea;
  margin-bottom:8px;
  font-weight:800;
}
.sidebar a:hover,.sidebar .active{background:rgba(50,214,255,.1);color:var(--accent)}
.content{padding:34px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px}
.table{width:100%;border-collapse:collapse;background:var(--card)}
.table th,.table td{padding:13px;border-bottom:1px solid var(--line);text-align:left}
.table th{color:var(--accent);background:#0b1422}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.admin-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:22px;
  padding:22px;
  box-shadow:0 18px 55px rgba(0,0,0,.18);
  margin-bottom:18px;
}
.small{font-size:.86rem;color:var(--muted)}
@media(max-width:1180px){
  .modules{grid-template-columns:repeat(3,1fr)}
  .side-rail,.side-toggle{display:none}
}
@media(max-width:980px){
  .actions{display:none}
  .hero,.split,.dashboard,.grid-2{grid-template-columns:1fr}
  .modules,.outcomes,.tools,.testimonials{grid-template-columns:repeat(2,1fr)}
  .nav{
    display:none;
    position:absolute;
    top:76px;
    left:0;
    right:0;
    flex-direction:column;
    background:#08101b;
    padding:20px;
  }
  .nav.show{display:flex}
  .menu-toggle{display:block}
  .sticky-title{position:relative;top:auto}
  .cta{flex-direction:column;align-items:flex-start}
  .footer{flex-direction:column}
  .footer a{margin:0 16px 0 0}
}
@media(max-width:620px){
  .modules,.outcomes,.tools,.testimonials,.kpi{grid-template-columns:1fr}
  .hero{padding-top:50px}
  .section{padding:44px 6%}
  .topbar{padding:12px 5%}
  .hero h1{font-size:2.45rem}
  .module-card{min-height:360px}
}