/* =========================================================
   CodersAlpha Computer Institute — Shared Stylesheet
   Palette: Dark Blue / Vibrant Orange / Gold / White
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  --bg:            #071431;
  --bg-2:          #0A1F44;
  --bg-3:          #123064;
  --card:          rgba(255,255,255,0.06);
  --card-border:   rgba(255,255,255,0.12);
  --orange:        #FF6B29;
  --orange-2:      #FF9052;
  --gold:          #F4C430;
  --white:         #F6F8FC;
  --muted:         #A9BEDE;
  --muted-2:       #7389B5;

  --font-display:  'Sora', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  --radius-lg:     22px;
  --radius-md:     14px;
  --radius-sm:     8px;

  --maxw: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(255,107,41,0.14), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(244,196,48,0.08), transparent 55%),
    var(--bg);
  color:var(--white);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  margin:0 0 .5em 0;
  letter-spacing:-0.01em;
  color:var(--white);
}
p{ margin:0 0 1em 0; color:var(--muted); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
:focus-visible{ outline:2px solid var(--gold); outline-offset:3px; }

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold);
  background:rgba(244,196,48,0.09);
  border:1px solid rgba(244,196,48,0.25);
  padding:6px 14px;
  border-radius:100px;
}
.eyebrow::before{ content:"◆"; font-size:.6rem; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:100px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:.95rem;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{
  background:linear-gradient(135deg,var(--orange),#E8501B);
  color:var(--white);
  box-shadow:0 10px 30px -8px rgba(255,107,41,0.55);
}
.btn-primary:hover{ box-shadow:0 14px 34px -6px rgba(255,107,41,0.7); }
.btn-ghost{
  background:rgba(255,255,255,0.04);
  border-color:var(--card-border);
  color:var(--white);
}
.btn-ghost:hover{ background:rgba(255,255,255,0.09); border-color:rgba(255,255,255,0.25); }
.btn-gold{
  background:linear-gradient(135deg,var(--gold),#D8A415);
  color:#241A02;
  box-shadow:0 10px 28px -8px rgba(244,196,48,0.5);
}

/* ---------- Navbar ---------- */
.nav{
  position:sticky; top:0; z-index:100;
  backdrop-filter:blur(14px);
  background:rgba(7,20,49,0.72);
  border-bottom:1px solid rgba(255,255,255,0.07);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 24px;
}
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:1.15rem; }
.brand-mark{
  width:38px; height:38px; border-radius:10px;
  background:transparent;
  display:flex; align-items:center; justify-content:center;
  object-fit:cover;
}
.brand small{ display:block; font-family:var(--font-body); font-weight:500; font-size:.62rem; color:var(--muted-2); letter-spacing:.08em; text-transform:uppercase; }

.nav-links{ display:flex; align-items:center; gap:32px; }
.nav-links a{
  font-family:var(--font-display); font-weight:600; font-size:.92rem; color:var(--muted);
  position:relative; padding:4px 0;
  transition:color .2s ease;
}
.nav-links a:hover, .nav-links a.active{ color:var(--white); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-4px; height:2px;
  background:linear-gradient(90deg,var(--orange),var(--gold)); border-radius:2px;
}
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; background:none; border:none; color:var(--white); font-size:1.5rem; cursor:pointer; }

@media (max-width:860px){
  .nav-links{
    position:fixed; inset:64px 0 0 0; flex-direction:column; justify-content:flex-start;
    padding:36px 24px; gap:26px; background:rgba(7,20,49,0.98);
    transform:translateX(100%); transition:transform .35s ease; height:calc(100vh - 64px);
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-toggle{ display:block; }
  .nav-cta .btn-ghost{ display:none; }
}

/* ---------- Marquee ---------- */
.marquee-wrap{
  border-top:1px solid rgba(255,255,255,0.08);
  border-bottom:1px solid rgba(255,255,255,0.08);
  background:var(--bg-2);
  overflow:hidden;
  padding:14px 0;
}
.marquee{
  display:flex; gap:48px; white-space:nowrap;
  animation:scroll-left 22s linear infinite;
  font-family:var(--font-mono); font-size:.85rem; color:var(--muted);
}
.marquee span{ display:flex; align-items:center; gap:10px; }
.marquee span::before{ content:"</>"; color:var(--orange); font-weight:700; }
@keyframes scroll-left{ from{transform:translateX(0);} to{transform:translateX(-50%);} }

/* ---------- Glass cards ---------- */
.glass{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}

/* ---------- Section shells ---------- */
section{ padding:96px 0; position:relative; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head p{ font-size:1.05rem; }

/* ---------- Hero ---------- */
.hero{ 
  padding:76px 0 60px; 
  position:relative;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background-image:url('https://picsum.photos/seed/codersalpha-hero/1920/1080');
  background-size:cover;
  background-position:center;
  opacity:0.15;
  z-index:0;
}
.hero-grid{
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
  position:relative;
  z-index:1;
}
.hero h1{ font-size:clamp(2.3rem,4.4vw,3.6rem); line-height:1.08; }
.hero h1 .accent{
  background:linear-gradient(120deg,var(--orange),var(--gold));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-np{
  font-family:var(--font-display); font-weight:600; font-size:1.05rem; color:var(--gold);
  padding:14px 18px; border-left:3px solid var(--orange);
  background:rgba(255,255,255,0.04); border-radius:0 12px 12px 0; margin:22px 0;
}
.hero-actions{ display:flex; gap:16px; margin-top:30px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:34px; margin-top:44px; flex-wrap:wrap; }
.hero-stats div{ font-family:var(--font-mono); }
.hero-stats b{ display:block; font-size:1.5rem; color:var(--white); font-family:var(--font-display); }
.hero-stats span{ font-size:.78rem; color:var(--muted-2); text-transform:uppercase; letter-spacing:.06em; }

/* ---------- Terminal (signature element) ---------- */
.terminal{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 40px 80px -30px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.06);
  background:#0B1730;
}
.terminal-bar{
  display:flex; align-items:center; gap:8px;
  padding:14px 16px; background:rgba(255,255,255,0.04);
  border-bottom:1px solid rgba(255,255,255,0.07);
}
.terminal-bar i{ width:11px; height:11px; border-radius:50%; display:inline-block; }
.terminal-bar i:nth-child(1){ background:#FF5F57; }
.terminal-bar i:nth-child(2){ background:#FEBC2E; }
.terminal-bar i:nth-child(3){ background:#28C840; }
.terminal-bar span{ margin-left:10px; font-family:var(--font-mono); font-size:.75rem; color:var(--muted-2); }
.terminal-body{
  padding:26px 24px 30px; font-family:var(--font-mono); font-size:.92rem; min-height:250px;
}
.terminal-body .line{ margin-bottom:12px; opacity:0; animation:fadeUp .5s ease forwards; }
.terminal-body .prompt{ color:var(--orange-2); }
.terminal-body .str{ color:var(--gold); }
.terminal-body .fn{ color:#7FD8FF; }
.terminal-body .cursor{
  display:inline-block; width:8px; height:1.1em; background:var(--gold);
  vertical-align:text-bottom; animation:blink 1s step-end infinite;
}
@keyframes fadeUp{ from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);} }
@keyframes blink{ 50%{ opacity:0; } }

/* ---------- Isometric icon tiles ---------- */
.iso-icon{
  width:58px; height:58px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(145deg, rgba(255,107,41,0.22), rgba(244,196,48,0.12));
  border:1px solid rgba(255,255,255,0.1);
  margin-bottom:18px;
  color:var(--gold);
  transform:perspective(300px) rotateX(8deg) rotateY(-8deg);
  box-shadow:0 14px 26px -12px rgba(0,0,0,0.5);
}
.iso-icon svg{ width:28px; height:28px; stroke:currentColor; fill:none; }

/* ---------- Grids ---------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:28px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }

.feature-card, .course-card{
  transition:transform .3s ease, border-color .3s ease, background .3s ease;
}
.feature-card:hover, .course-card:hover{
  transform:translateY(-6px);
  border-color:rgba(255,107,41,0.4);
  background:rgba(255,255,255,0.085);
}
.feature-card h3, .course-card h3{ font-size:1.15rem; }

/* ---------- Course card specifics ---------- */
.course-card{ 
  display:flex; 
  flex-direction:column; 
  height:100%; 
  overflow:hidden;
  transition: all 0.3s ease;
}
.course-card:hover{
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -15px rgba(255,107,41,0.2);
  border-color: rgba(255,107,41,0.5) !important;
}
.course-image{
  width:100%;
  height:200px;
  object-fit:cover;
}
.course-content{
  padding:28px;
  display:flex;
  flex-direction:column;
  height:100%;
  gap:16px;
}
.course-top{ 
  display:flex; 
  align-items:center; 
  justify-content:space-between;
  gap:12px;
}
.course-top h3{
  margin:0;
  font-size:1.25rem;
}
.duration-pill{
  font-family:var(--font-mono); 
  font-size:.75rem; 
  color:#1a1102; 
  font-weight:700;
  background:linear-gradient(120deg,var(--gold),var(--orange-2));
  padding:6px 14px; 
  border-radius:100px; 
  white-space:nowrap;
  flex-shrink:0;
}
.tag-row{ 
  display:flex; 
  flex-wrap:wrap; 
  gap:8px; 
  margin-top:auto;
}
.tag{
  font-family:var(--font-mono); 
  font-size:.72rem; 
  color:var(--muted);
  background:rgba(255,255,255,0.05); 
  border:1px solid var(--card-border);
  padding:6px 12px; 
  border-radius:100px;
  transition: all 0.2s ease;
}
.tag:hover{
  background:rgba(255,107,41,0.15);
  border-color:var(--orange);
}
.badge-flagship{
  position:absolute; 
  top:16px; 
  left:20px;
  background:linear-gradient(120deg,var(--orange),#E8501B);
  color:var(--white); 
  font-family:var(--font-mono); 
  font-size:.7rem; 
  font-weight:800;
  padding:8px 16px; 
  border-radius:100px; 
  letter-spacing:.08em; 
  text-transform:uppercase;
  box-shadow:0 8px 24px -8px rgba(255,107,41,0.7);
  z-index:10;
}

.feature-card{
  overflow:hidden;
  transition: all 0.3s ease;
}
.feature-card:hover{
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -15px rgba(255,107,41,0.2);
  border-color: rgba(255,107,41,0.5) !important;
}
.feature-image{
  width:100%;
  height:180px;
  object-fit:cover;
}
.feature-content{
  padding:28px;
  display:flex;
  flex-direction:column;
  height:100%;
  gap:16px;
}
.feature-card .iso-icon{
  margin-bottom:0;
}

/* ---------- Discount ribbon ---------- */
.ribbon{
  background:linear-gradient(120deg, rgba(255,107,41,0.16), rgba(244,196,48,0.1));
  border:1px solid rgba(255,107,41,0.3);
  border-radius:var(--radius-lg);
  padding:36px 40px;
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
}
.ribbon h3{ font-size:1.5rem; margin-bottom:6px; }
.ribbon .big{
  font-family:var(--font-display); font-weight:800; font-size:2.6rem;
  background:linear-gradient(120deg,var(--gold),var(--orange));
  -webkit-background-clip:text; background-clip:text; color:transparent;
  line-height:1;
}

/* ---------- Table (short courses) ---------- */
.mini-table{ width:100%; border-collapse:collapse; }
.mini-table th{
  text-align:left; font-family:var(--font-mono); font-size:.72rem; text-transform:uppercase;
  color:var(--muted-2); letter-spacing:.06em; padding:12px 16px; border-bottom:1px solid var(--card-border);
}
.mini-table td{ padding:16px; border-bottom:1px solid rgba(255,255,255,0.06); font-size:.92rem; }
.mini-table tr:last-child td{ border-bottom:none; }
.mini-table td:first-child{ font-family:var(--font-display); font-weight:600; color:var(--white); }

/* ---------- Footer ---------- */
footer{ padding:64px 0 30px; border-top:1px solid rgba(255,255,255,0.08); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:48px; }
.footer-grid h4{ font-size:.95rem; margin-bottom:18px; color:var(--muted); text-transform:uppercase; letter-spacing:.06em; }
.footer-grid ul li{ margin-bottom:11px; }
.footer-grid a{ color:var(--muted); font-size:.92rem; transition:color .2s; }
.footer-grid a:hover{ color:var(--gold); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px;
  padding-top:26px; border-top:1px solid rgba(255,255,255,0.06);
  font-size:.82rem; color:var(--muted-2);
}
.social-row{ display:flex; gap:12px; }
.social-row a{
  width:36px; height:36px; border-radius:10px; display:flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,0.05); border:1px solid var(--card-border);
}
.social-row a:hover{ background:rgba(255,107,41,0.18); border-color:rgba(255,107,41,0.4); }

/* ---------- Page header (inner pages) ---------- */
.page-header{ padding:130px 0 60px; text-align:left; }
.page-header .eyebrow{ margin-bottom:18px; }
.page-header h1{ font-size:clamp(2rem,4vw,3rem); max-width:760px; }
.breadcrumbs{ font-family:var(--font-mono); font-size:.8rem; color:var(--muted-2); margin-bottom:20px; }
.breadcrumbs a{ color:var(--muted-2); }
.breadcrumbs a:hover{ color:var(--gold); }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:44px; }
.contact-info-card{ padding:36px; }
.contact-row{ display:flex; gap:16px; margin-bottom:26px; align-items:flex-start; }
.contact-row .iso-icon{ margin-bottom:0; flex-shrink:0; }
.contact-row h4{ font-size:.95rem; margin-bottom:4px; color:var(--white); }
.contact-row p{ margin:0; font-size:.9rem; }
.form-card{ padding:36px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-family:var(--font-mono); font-size:.75rem; color:var(--muted-2); text-transform:uppercase; letter-spacing:.05em; }
.field input, .field select, .field textarea{
  background:rgba(255,255,255,0.05); border:1px solid var(--card-border); border-radius:10px;
  padding:13px 14px; color:var(--white); font-family:var(--font-body); font-size:.94rem;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--orange); outline:none; background:rgba(255,255,255,0.08); }
.map-frame{ border-radius:var(--radius-md); overflow:hidden; border:1px solid var(--card-border); margin-top:24px; }
.map-frame iframe{ width:100%; height:220px; border:0; filter:grayscale(0.15) invert(0.92) contrast(0.9) brightness(0.95); }

/* ---------- Utility reveal (paired with animate.css) ---------- */
.reveal{ opacity:0; }
.reveal.in-view{ opacity:1; }

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .grid-4{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:980px){
  .hero-grid, .contact-grid{ grid-template-columns:1fr; }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:620px){
  section{ padding:64px 0; }
  .grid-3, .grid-4, .grid-2{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
  .ribbon{ flex-direction:column; align-items:flex-start; }
  .hero-actions .btn{ width:100%; }
  .course-image{ height:180px; }
  .feature-image{ height:160px; }
}