@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary:   #060810;
  --bg-secondary: #0d1117;
  --bg-card:      rgba(13, 17, 30, 0.75);
  --accent-green: #00ff88;
  --accent-cyan:  #00d4ff;
  --accent-purple:#a855f7;
  --text-primary: #e8eaf0;
  --text-muted:   #8892a4;
  --border:       rgba(0, 212, 255, 0.15);
  --glow-green:   0 0 30px rgba(0,255,136,0.25);
  --glow-cyan:    0 0 30px rgba(0,212,255,0.25);
  --nav-h:        72px;
  --radius:       12px;
  --transition:   0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-cyan); border-radius: 3px; }

/* ─── Typography ─── */
h1,h2,h3,h4 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }
p  { color: var(--text-muted); }
a  { color: inherit; text-decoration: none; }

.mono { font-family: 'JetBrains Mono', monospace; }
.gradient-text {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
}

/* ─── Layout ─── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 1.5rem; }
section    { padding: 5rem 0; }

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(6,8,16,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
}
.nav-logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em;
}
.nav-logo img {
  height: 36px;
  width: auto;
  object-fit: contain;
}
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--text-muted);
  transition: color var(--transition); position: relative;
}
.nav-links a::after {
  content:''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--accent-green); transform: scaleX(0);
  transition: transform var(--transition); border-radius: 2px;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-cta { 
  padding: 0.5rem 1.25rem; border-radius: 6px; font-size: 0.875rem; font-weight: 600;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  color: #060810; transition: opacity var(--transition);
}
.nav-cta:hover { opacity: 0.85; }

/* Hamburger */
.nav-toggle { 
  display: none; flex-direction: column; gap: 5px; cursor: pointer; 
  padding: 8px 10px; background: #000; border: 1px solid var(--border); border-radius: 8px; transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--accent-cyan); box-shadow: 0 0 10px rgba(0,212,255,0.15); }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }
.nav-toggle.open { border-color: var(--accent-green); }
.nav-toggle.open span { background: var(--accent-green); }
.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 {
  min-height: 100vh; padding-top: var(--nav-h);
  display: flex; align-items: center; position: relative; overflow: hidden;
}
#hero-canvas { position: absolute; inset: 0; opacity: 0.35; }
.hero-content { position: relative; z-index: 2; max-width: 780px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1rem; border-radius: 999px;
  border: 1px solid var(--accent-green);
  background: rgba(0,255,136,0.08);
  font-family: 'JetBrains Mono', monospace; font-size: 0.78rem;
  color: var(--accent-green); margin-bottom: 1.5rem;
}
.hero-badge::before { content:''; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-green); animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{ opacity:1; } 50%{ opacity:0.3; } }
.hero-title { margin-bottom: 1.25rem; }
.hero-desc { font-size: 1.1rem; max-width: 560px; margin-bottom: 2.5rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.75rem; border-radius: 8px; font-weight: 600;
  font-size: 0.9rem; cursor: pointer; border: none; transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  color: #060810;
}
.btn-primary:hover { box-shadow: var(--glow-green); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); transform: translateY(-2px); }

/* ─── CARDS / GLASS ─── */
.glass-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  padding: 2rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.glass-card:hover { border-color: rgba(0,212,255,0.4); box-shadow: var(--glow-cyan); transform: translateY(-4px); }

/* ─── GRID ─── */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }

/* ─── SECTION HEADERS ─── */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header p { max-width: 560px; margin: 0.75rem auto 0; font-size: 1.05rem; }

/* ─── DIVIDER ─── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  margin: 0;
}

/* ─── FEATURE ICON ─── */
.feature-icon {
  width: 48px; height: 48px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 1rem;
}
.icon-green { background: rgba(0,255,136,0.12); }
.icon-cyan  { background: rgba(0,212,255,0.12); }
.icon-purple{ background: rgba(168,85,247,0.12); }

/* ─── TRAINER CARD ─── */
.trainer-card { text-align: center; }
.trainer-avatar {
  width: 110px; height: 110px; border-radius: 50%; margin: 0 auto 1.25rem;
  border: 3px solid transparent;
  background-clip: padding-box;
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
  background: linear-gradient(135deg, rgba(0,255,136,0.15), rgba(0,212,255,0.15));
}
.trainer-avatar::before {
  content: '';
  position: absolute; inset: -3px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  z-index: -1;
}
.trainer-name { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.25rem; }
.trainer-role { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--accent-cyan); margin-bottom: 0.75rem; }
.trainer-bio  { font-size: 0.9rem; color: var(--text-muted); }
.trainer-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: center; margin-top: 1rem; }
.tag {
  padding: 0.25rem 0.7rem; border-radius: 999px; font-size: 0.75rem; font-weight: 500;
  background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.25); color: var(--accent-cyan);
}

.badge-duration {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  color: var(--accent-green);
}

.badge-duration ~ h3 {
  padding-right: 4.5rem;
}

/* ─── STAT STRIP ─── */
.stat-strip {
  display: flex; flex-wrap: wrap; gap: 2rem; justify-content: center;
  padding: 3rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.stat-item { text-align: center; }
.stat-number {
  font-size: 2.5rem; font-weight: 700;
  background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.2rem; }

/* ─── TIMELINE (course modules) ─── */
.timeline { list-style: none; position: relative; padding-left: 2rem; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(180deg, var(--accent-green), var(--accent-cyan), transparent);
}
.timeline li { position: relative; padding: 0 0 2rem 1.5rem; }
.timeline li::before {
  content: ''; position: absolute; left: -0.45rem; top: 0.35rem;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent-cyan); box-shadow: 0 0 10px var(--accent-cyan);
}
.timeline li h4 { font-size: 1rem; margin-bottom: 0.3rem; }
.timeline li p  { font-size: 0.9rem; }

/* ─── CONTACT FORM ─── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 3rem; align-items: start; }
.contact-info h2 { margin-bottom: 1rem; }
.contact-info p  { margin-bottom: 2rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; }
.contact-item-icon { font-size: 1.2rem; margin-top: 0.1rem; flex-shrink: 0; }
.contact-item-text strong { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.15rem; }

.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--text-muted); }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 0.75rem 1rem; border-radius: 8px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-primary); font-family: 'Space Grotesk', sans-serif; font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition); outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(0,212,255,0.1); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ─── FOOTER ─── */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 2.5rem; }
.footer-brand p { font-size: 0.9rem; margin-top: 0.75rem; max-width: 280px; }
.footer-col h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; color: var(--text-primary); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a { font-size: 0.875rem; color: var(--text-muted); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--accent-cyan); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  padding-top: 1.5rem; border-top: 1px solid var(--border);
  font-size: 0.8rem; color: var(--text-muted);
}

/* ─── PAGE HERO (inner pages) ─── */
.page-hero {
  padding: calc(var(--nav-h) + 4rem) 0 4rem;
  text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(0,212,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero .section-label { margin-bottom: 1rem; }
.page-hero p { max-width: 560px; margin: 1rem auto 0; font-size: 1.05rem; }

/* ─── BG GRID ─── */
.bg-grid {
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid  { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 3.5rem 0; }
  .nav-links { 
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 0; background: rgba(6,8,16,0.97);
    backdrop-filter: blur(16px); border-bottom: 1px solid var(--border);
    padding: 1rem 0; transform: translateY(-10px); opacity: 0; visibility: hidden; transition: all var(--transition);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 0.85rem 1.5rem; font-size: 1rem; }
  .nav-links a::after { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .stat-strip { gap: 1.5rem; }
}

/* ─── ANIMATIONS ─── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate { animation: fadeInUp 0.6s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ─── GLOWING LINE ─── */
.glow-line {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-green), var(--accent-cyan), transparent);
  margin: 0.5rem 0 1.5rem;
}

/* ─── CODE BLOCK ─── */
.code-block {
  background: rgba(0,0,0,0.4); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.25rem 1.5rem;
  font-family: 'JetBrains Mono', monospace; font-size: 0.85rem;
  color: var(--accent-green); overflow-x: auto;
}
.code-block .comment { color: #4b6478; }
.code-block .keyword { color: var(--accent-cyan); }

/* ─── Language Dropdown ─── */
.lang-dropdown {
  position: relative;
  margin-right: 1.5rem;
}
.lang-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  transition: var(--transition);
  text-decoration: none;
}
.lang-dropdown-btn:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}
.lang-dropdown-btn img {
  width: 18px;
  height: 12px;
  object-fit: cover;
  border-radius: 2px;
}
.lang-dropdown-content {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: rgba(13,17,30,0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 1000;
}
.lang-dropdown:hover .lang-dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-dropdown-content a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}
.lang-dropdown-content a:hover {
  background: rgba(0,212,255,0.1);
}
.lang-dropdown-content a img {
  width: 18px;
  height: 12px;
  object-fit: cover;
  border-radius: 2px;
}
@media (max-width: 768px) {
  
  
  
}


.lang-li { display: flex; align-items: center; margin-left: 1rem; }
.lang-dropdown { margin-right: 0; }
@media (max-width: 768px) {
  .lang-li { margin-left: 0; justify-content: center; width: 100%; padding: 1rem 0; border-top: 1px solid rgba(255,255,255,0.05); }
  .lang-dropdown { width: 100%; display: flex; flex-direction: column; align-items: center; }
  .lang-dropdown-content { position: static; transform: none; opacity: 1; visibility: visible; border: none; background: transparent; padding: 0; margin-top: 0.5rem; }
  .lang-dropdown-content a { justify-content: center; padding: 0.5rem; }
  .lang-dropdown-btn { pointer-events: none; } /* disable click since it's always open on mobile */
}