/* ===========================================================
   NORTHLINE CODE ACADEMY — developer bootcamp
   =========================================================== */

:root{
  --bg:#0A0C10;
  --bg-2:#101419;
  --bg-3:#161B22;
  --bg-4:#1F262F;
  --line:rgba(226,238,245,.1);
  --line-2:rgba(226,238,245,.2);

  --text:#E2EEF5;
  --text-dim:rgba(226,238,245,.66);
  --text-faint:rgba(226,238,245,.42);

  --lime:#B8F135;
  --lime-hi:#D2FA74;
  --lime-lo:#7FA818;
  --cyan:#4FD8E8;
  --amber:#F5B942;

  --grad:linear-gradient(120deg,var(--lime-hi),var(--lime) 55%,var(--lime-lo));

  --f-display:'Space Grotesk', system-ui, Arial, sans-serif;
  --f-mono:'JetBrains Mono', ui-monospace, 'Courier New', monospace;
  --f-body:'Inter', system-ui, Arial, sans-serif;

  --max:1180px;
  --r:10px;
  --r-lg:16px;
  --t:.26s cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--f-body);color:var(--text-dim);background:var(--bg);line-height:1.72;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:1rem;}
::selection{background:var(--lime);color:var(--bg);}

h1,h2,h3,h4{font-family:var(--f-display);color:var(--text);font-weight:700;line-height:1.12;letter-spacing:-.02em;}
h1{font-size:clamp(2.4rem,5.4vw,4rem);}
h2{font-size:clamp(1.85rem,3.4vw,2.7rem);}
h3{font-size:1.22rem;}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:clamp(64px,8.5vw,110px) 0;}
.tone{background:var(--bg-2);}
.dark{background:var(--bg-3);}

.eyebrow{display:inline-block;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--lime);margin-bottom:15px;}
.eyebrow::before{content:"// ";opacity:.6;}
.lead{font-size:1.04rem;max-width:58ch;}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head.center{margin-inline:auto;text-align:center;}
.section-head p{margin-top:13px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 28px;border-radius:var(--r);font-family:var(--f-mono);font-size:.78rem;letter-spacing:.06em;font-weight:600;transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);}
.btn:hover{transform:translateY(-2px);}
.btn-solid{background:var(--grad);color:var(--bg);box-shadow:0 12px 30px -14px rgba(184,241,53,.7);}
.btn-line{border:1px solid var(--line-2);color:var(--text);}
.btn-line:hover{border-color:var(--lime);color:var(--lime);}
.btn-sm{padding:10px 19px;font-size:.72rem;}
.btn-block{width:100%;}

/* header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:60;padding:18px 0;transition:background var(--t),padding var(--t),border-color var(--t);border-bottom:1px solid transparent;}
.site-header.scrolled{background:rgba(10,12,16,.92);backdrop-filter:blur(12px);padding:10px 0;border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;}
.logo img{height:40px;}
.logo .dark-mark{display:none;}
.main-nav{display:flex;gap:30px;}
.main-nav a{font-family:var(--f-mono);font-size:.8rem;color:var(--text-dim);transition:color var(--t);}
.main-nav a:hover,.main-nav a.active{color:var(--lime);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px;}
.nav-toggle span{display:block;width:23px;height:2px;background:var(--text);transition:transform var(--t),opacity var(--t);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* hero */
.hero{position:relative;min-height:94vh;display:flex;align-items:center;padding:150px 0 78px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;opacity:.5;}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 460px at 76% 24%,rgba(184,241,53,.16),transparent 62%),linear-gradient(0deg,var(--bg) 6%,rgba(10,12,16,.72) 62%);}
.hero .wrap{position:relative;z-index:2;}
.hero h1{max-width:16ch;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero p{max-width:52ch;margin-bottom:30px;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;}
.hero-rule{margin-top:50px;padding-top:26px;border-top:1px solid var(--line);display:flex;gap:40px;flex-wrap:wrap;}
.hero-rule div span{display:block;font-family:var(--f-display);font-size:1.8rem;color:var(--lime);}
.hero-rule div small{font-family:var(--f-mono);font-size:.68rem;color:var(--text-faint);}

/* page hero */
.page-hero{position:relative;padding:178px 0 82px;background-size:cover;background-position:center;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--bg) 4%,rgba(10,12,16,.82));}
.page-hero .wrap{position:relative;z-index:2;}
.page-hero p{margin-top:13px;max-width:58ch;}
.crumb{font-family:var(--f-mono);font-size:.74rem;color:var(--text-faint);margin-bottom:14px;}
.crumb a:hover{color:var(--lime);}

/* cohort countdown */
.cohorts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cohort{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;transition:border-color var(--t),transform var(--t);}
.cohort:hover{border-color:var(--line-2);transform:translateY(-4px);}
.cohort.next{border-color:var(--lime);box-shadow:0 0 0 1px rgba(184,241,53,.28),0 24px 50px -30px rgba(184,241,53,.5);}
.cohort .track{font-family:var(--f-mono);font-size:.72rem;color:var(--lime);margin-bottom:12px;}
.cohort h3{font-size:1.3rem;margin-bottom:4px;}
.cohort .starts{font-family:var(--f-mono);font-size:.8rem;color:var(--text-faint);margin-bottom:18px;}
.countdown{display:flex;gap:10px;margin-bottom:18px;}
.cd-unit{flex:1;background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r);padding:12px 6px;text-align:center;}
.cd-unit strong{display:block;font-family:var(--f-display);font-size:1.5rem;color:var(--text);line-height:1;}
.cd-unit span{font-family:var(--f-mono);font-size:.62rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.08em;}
.seats{display:flex;align-items:center;justify-content:space-between;gap:12px;font-family:var(--f-mono);font-size:.76rem;color:var(--text-faint);margin-bottom:8px;}
.bar{height:6px;border-radius:99px;background:var(--bg-4);overflow:hidden;margin-bottom:18px;}
.bar i{display:block;height:100%;border-radius:99px;background:var(--grad);}
.cohort.full .bar i{background:linear-gradient(120deg,#F5B942,#C98A16);}
.cohort .btn{width:100%;}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,68px);align-items:center;}
.split.reverse{direction:rtl;}
.split.reverse>*{direction:ltr;}
.split-media img{width:100%;aspect-ratio:4/3.2;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);}
.tick li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px;font-size:.95rem;}
.tick li::before{content:"›";flex:0 0 auto;font-family:var(--f-mono);color:var(--lime);font-weight:700;}

/* cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform var(--t),border-color var(--t);}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--t);}
.card:hover .card-media img{transform:scale(1.05);}
.badge{position:absolute;left:14px;top:14px;background:var(--lime);color:var(--bg);padding:5px 13px;border-radius:100px;font-family:var(--f-mono);font-size:.68rem;font-weight:600;}
.card-body{padding:24px;}
.card-body h3{margin-bottom:6px;}
.role{display:block;font-family:var(--f-mono);font-size:.72rem;color:var(--lime);margin-bottom:11px;}
.card-body p{font-size:.9rem;margin-bottom:15px;}
.card-foot{display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--line);}
.price{font-family:var(--f-display);font-size:1.2rem;color:var(--text);}
.price small{font-family:var(--f-mono);font-size:.7rem;color:var(--text-faint);}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center;}
.stat strong{display:block;font-family:var(--f-display);font-size:2.3rem;color:var(--lime);}
.stat span{font-family:var(--f-mono);font-size:.78rem;color:var(--text-faint);}

/* syllabus list */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;justify-content:center;}
.filter{padding:10px 20px;border-radius:var(--r);border:1px solid var(--line);font-family:var(--f-mono);font-size:.74rem;color:var(--text-dim);transition:all var(--t);}
.filter:hover{border-color:var(--lime);color:var(--lime);}
.filter.active{background:var(--grad);border-color:transparent;color:var(--bg);}
.menu-row{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:baseline;padding:20px 0;border-bottom:1px solid var(--line);}
.menu-row.hide{display:none;}
.menu-row h4{font-family:var(--f-display);font-size:1.1rem;color:var(--text);margin-bottom:5px;}
.menu-row p{font-size:.88rem;max-width:60ch;}
.menu-row .dur{display:block;font-family:var(--f-mono);font-size:.72rem;color:var(--lime);margin-top:7px;}
.menu-price{font-family:var(--f-mono);font-size:.9rem;color:var(--text-faint);white-space:nowrap;}

/* accordion */
.acc{border:1px solid var(--line);border-radius:var(--r);background:var(--bg-2);margin-bottom:12px;overflow:hidden;}
.acc-head{width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:18px 22px;text-align:left;font-family:var(--f-display);font-weight:700;color:var(--text);font-size:1rem;}
.acc-head::after{content:"+";flex:0 0 auto;font-family:var(--f-mono);font-size:1.2rem;color:var(--lime);transition:transform var(--t);}
.acc.open .acc-head::after{transform:rotate(45deg);}
.acc-body{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.acc-body p{padding:0 22px 20px;font-size:.92rem;}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.gallery figure{overflow:hidden;border-radius:var(--r);cursor:pointer;aspect-ratio:1;border:1px solid var(--line);}
.gallery figure.tall{grid-row:span 2;aspect-ratio:1/2.06;}
.gallery figure.wide{grid-column:span 2;aspect-ratio:2.06/1;}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--t);}
.gallery figure:hover img{transform:scale(1.05);}
.lightbox{position:fixed;inset:0;z-index:120;background:rgba(10,12,16,.97);display:none;place-items:center;padding:34px;}
.lightbox.open{display:grid;}
.lightbox img{max-width:min(1100px,92vw);max-height:86vh;border-radius:var(--r);}
.lightbox button{position:absolute;top:24px;right:30px;font-size:1.8rem;color:var(--text);}

/* quotes */
.quote{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;}
.quote p{font-size:.96rem;color:var(--text);margin-bottom:13px;}
.quote .who{font-family:var(--f-mono);font-size:.74rem;color:var(--lime);}

/* form */
.form-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,4vw,38px);}
.field{margin-bottom:19px;}
.field label{display:block;font-family:var(--f-mono);font-size:.74rem;color:var(--text-faint);margin-bottom:8px;}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-3);color:var(--text);transition:border-color var(--t),background var(--t);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--lime);background:var(--bg-4);}
.field textarea{min-height:108px;resize:vertical;}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#E8705C;}
.err{display:none;font-size:.78rem;color:#F0937F;margin-top:6px;}
.field.invalid .err{display:block;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:17px;}
.form-note{font-size:.8rem;margin-top:13px;text-align:center;}
.form-ok{display:none;margin-top:17px;padding:15px 17px;border-radius:var(--r);background:rgba(184,241,53,.1);border-left:2px solid var(--lime);font-size:.9rem;color:var(--text);}
.form-ok.show{display:block;}
.info-list li{padding:16px 0;border-bottom:1px solid var(--line);}
.info-list li span{display:block;font-family:var(--f-mono);font-size:.72rem;color:var(--lime);margin-bottom:5px;}

/* footer */
.site-footer{background:#07090C;border-top:1px solid var(--line);color:var(--text-faint);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;margin-bottom:42px;}
.site-footer h4{font-family:var(--f-mono);font-size:.76rem;color:var(--lime);margin-bottom:16px;font-weight:600;}
.site-footer a:hover{color:var(--lime);}
.site-footer li{margin-bottom:9px;font-size:.88rem;}
.footer-logo{height:40px;margin-bottom:16px;}
.footer-base{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-family:var(--f-mono);font-size:.76rem;}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s cubic-bezier(.22,.61,.36,1);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;}
.reveal.d2{transition-delay:.16s;}
.reveal.d3{transition-delay:.24s;}

@media (max-width:1000px){
  .cohorts{grid-template-columns:1fr;}
  .grid-4,.stats{grid-template-columns:repeat(2,1fr);}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .main-nav{position:fixed;inset:0 0 0 auto;width:min(300px,84vw);background:var(--bg-2);border-left:1px solid var(--line);flex-direction:column;justify-content:center;gap:24px;padding:38px;transform:translateX(100%);transition:transform var(--t);z-index:70;}
  .main-nav.open{transform:none;}
  .main-nav a{font-size:1rem;}
  .nav-toggle{display:flex;z-index:80;}
  .header-actions .btn{display:none;}
  .grid-3,.grid-2,.split{grid-template-columns:1fr;}
  .split.reverse{direction:ltr;}
  .field-row{grid-template-columns:1fr;}
  .hero{min-height:auto;padding:146px 0 62px;}
  .menu-row{grid-template-columns:1fr;gap:8px;}
}
@media (max-width:560px){
  .grid-4,.stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-rule{gap:24px;}
}