/* 
  420 ACADEMY - KILL DESIGN V2.3 (ULTIMATE CONTACTS)
  Extreme Premium Aesthetics, Architectural Layouts, High-End Interactivity
*/

:root {
  --color-bg: #030303;
  --color-bg-alt: #080808;
  --color-surface: #0c0c0c;
  --color-surface-soft: #141414;
  
  --color-text: #ffffff;
  --color-text-dim: #888888;
  --color-text-muted: #444444;
  
  --color-primary: #00ff66; 
  --color-primary-rgb: 0, 255, 102;
  --color-primary-glow: rgba(0, 255, 102, 0.3);
  --color-secondary: #ff3c3c;
  --color-accent: #ffcc00;
  
  --grad-linear: linear-gradient(135deg, var(--color-primary), #00ccff);
  --grad-surface: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
  
  --border-radius-xl: 40px;
  --border-radius-lg: 24px;
  --border-radius-md: 16px;
  
  --transition-ultra: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.33, 1, 0.68, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  overflow-x: hidden;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Space Grotesk', sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.container {
  max-width: 1540px;
  margin: 0 auto;
  padding: 0 3rem;
}

/* NOISE & CURSOR */
.hero-noise {
  position: fixed; inset: 0;
  background: url('https://grainy-gradients.vercel.app/noise.svg');
  opacity: 0.04; z-index: 9999; pointer-events: none;
}

.cursor-glow {
  position: fixed; width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.08) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none; z-index: 1; transition: transform 0.1s ease-out;
}

/* NAVBAR */
.navbar {
  position: fixed; top: 0; width: 100%; z-index: 1000;
  padding: 2.5rem 0; transition: var(--transition-smooth);
}

.navbar.scrolled {
  padding: 1rem 0; background: rgba(3, 3, 3, 0.85);
  backdrop-filter: blur(25px); border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 1rem; text-decoration: none; }
.logo-img { width: 50px; height: auto; filter: drop-shadow(0 0 15px var(--color-primary-glow)); }
.logo-text { font-size: 1.8rem; letter-spacing: -2px; color: #fff; }

.nav-links { display: flex; gap: 3.5rem; list-style: none; }
.nav-links a {
  text-decoration: none; color: var(--color-text-dim); font-weight: 600;
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.15em;
  position: relative; transition: var(--transition-smooth); padding: 0.5rem 0;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--color-primary); transition: var(--transition-smooth);
}
.nav-links a:hover { color: var(--color-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none; flex-direction: column; gap: 6px;
  background: none; border: none; cursor: pointer;
  position: relative; z-index: 1002;
}
.nav-toggle span { display: block; width: 30px; height: 2px; background: var(--color-text); transition: 0.3s; }

/* HERO */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; padding-top: 100px;
}
.hero-canvas { position: absolute; inset: 0; z-index: 0; opacity: 0.5; }
.hero-gradient {
  position: absolute; inset: 0;
  background: 
    radial-gradient(circle at 50% 50%, rgba(var(--color-primary-rgb), 0.05) 0%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(255, 60, 60, 0.05) 0%, transparent 40%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; width: 100%; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 1rem; padding: 0.8rem 1.8rem;
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.3em; color: var(--color-text-dim); margin-bottom: 4rem; backdrop-filter: blur(10px);
}
.badge-dot {
  width: 8px; height: 8px; background: var(--color-primary);
  border-radius: 50%; box-shadow: 0 0 15px var(--color-primary);
  animation: pulseNeon 2s infinite;
}
@keyframes pulseNeon { 0%, 100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.4); opacity: 1; } }

.hero-logo {
  position: absolute; top: -120px; left: 50%; transform: translateX(-50%);
  opacity: 0.1; width: 400px; max-width: 100%; pointer-events: none; filter: blur(60px);
}
.hero-title { 
  font-size: clamp(3.5rem, 12vw, 12rem); 
  text-transform: uppercase; 
  margin-bottom: 2.5rem; 
  line-height: 0.9; 
  letter-spacing: -0.05em;
}
@media (max-width: 480px) {
  .hero-title { font-size: 3.2rem; }
}
.title-line.accent { color: var(--color-primary); text-shadow: 0 0 50px rgba(var(--color-primary-rgb), 0.3); }

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 2.2rem); color: var(--color-text-dim);
  font-weight: 300; margin-bottom: 5rem; letter-spacing: 0.05em;
}

.hero-actions { display: flex; gap: 2rem; justify-content: center; }
.btn-primary {
  background: #fff; color: #000; padding: 1.2rem 3rem; border-radius: 100px;
  text-decoration: none; font-weight: 800; font-size: 1rem; display: flex; align-items: center; gap: 1rem;
  transition: var(--transition-ultra); width: fit-content;
}
.btn-primary:hover { background: var(--color-primary); transform: translateY(-8px); box-shadow: 0 25px 50px -12px rgba(var(--color-primary-rgb), 0.5); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,0.1); color: #fff; padding: 1.2rem 3rem; border-radius: 100px; text-decoration: none; font-weight: 700; transition: var(--transition-smooth); width: fit-content; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.05); }

.hero-stats { display: flex; justify-content: center; gap: 6rem; margin-top: 8rem; padding: 4rem 0; border-top: 1px solid rgba(255,255,255,0.05); }
.stat-number { font-size: 4rem; font-weight: 800; color: #fff; letter-spacing: -3px; }
.stat-label { display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--color-text-muted); }

/* SECTIONS */
section { padding: 180px 0; position: relative; }
.section-tag { color: var(--color-primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.4em; font-size: 0.85rem; margin-bottom: 2rem; display: block; }
.section-title { font-size: clamp(3rem, 8vw, 6rem); margin-bottom: 4rem; }
.gradient-text { background: linear-gradient(to right, #fff, rgba(255,255,255,0.3)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* BENTO GRID */
.about-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 400px; gap: 1.5rem; }
.about-card {
  position: relative; background: var(--color-surface); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--border-radius-lg); padding: 4rem; overflow: hidden; transition: var(--transition-ultra);
}
.about-card:nth-child(1) { grid-column: span 8; }
.about-card:nth-child(2) { grid-column: span 4; }
.about-card:nth-child(3) { grid-column: span 5; }
.about-card:nth-child(4) { grid-column: span 7; }
.about-card:hover { border-color: rgba(var(--color-primary-rgb), 0.3); background: var(--color-surface-soft); }
.about-icon-wrap {
  width: 70px;
  height: 70px;
  background: rgba(255,255,255,0.03);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 2.5rem;
}
.about-card h3 { font-size: 2.5rem; margin-bottom: 1.5rem; }
.about-card p { color: var(--color-text-dim); font-size: 1.1rem; max-width: 450px; line-height: 1.6; }
.card-number { position: absolute; bottom: -24px; right: -24px; font-size: 15rem; font-weight: 900; color: rgba(255,255,255,0.02); line-height: 0.8; pointer-events: none; }

/* CATALOG */
.catalog { background: var(--color-bg-alt); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 5rem; }
.filter-btn {
  padding: 1rem 2.2rem; background: var(--color-surface); border: 1px solid rgba(255,255,255,0.05);
  color: var(--color-text-dim); border-radius: 100px; cursor: pointer; font-family: 'Space Grotesk';
  font-weight: 600; font-size: 0.9rem; transition: var(--transition-smooth);
}
.filter-btn.active { background: #fff; color: #000; border-color: #fff; }
.filter-btn:hover:not(.active) { border-color: var(--color-primary); color: #fff; }

.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 3rem; }
.product-card {
  background: var(--color-surface); border: 1px solid rgba(255,255,255,0.03);
  border-radius: var(--border-radius-lg); overflow: hidden; transition: var(--transition-ultra); cursor: pointer;
}
.product-card:hover { transform: translateY(-15px); border-color: var(--color-primary); box-shadow: 0 40px 100px -20px rgba(0,0,0,0.8); }

.product-card-image-wrap { position: relative; aspect-ratio: 0.85; background: #000; overflow: hidden; }
.product-card-image { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.product-card:hover .product-card-image { transform: scale(1.1); }

.product-card-category {
  position: absolute; top: 2rem; left: 2rem; padding: 0.5rem 1.2rem;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(10px); border-radius: 100px;
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--color-primary); z-index: 10;
}

.product-card-info { padding: 2.5rem; }
.product-card-name { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.75rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product-card-desc {
  color: var(--color-text-dim); font-size: 0.9rem; margin-bottom: 2rem;
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; line-height: 1.4;
}
.product-card-price { font-size: 2.2rem; font-weight: 800; font-family: 'Syne'; color: #fff; line-height: 1; }
.product-card-price::after { content: ' ₴'; font-size: 1.1rem; color: var(--color-primary); }

.load-more-wrap { display: flex; justify-content: center; margin-top: 6rem; }
.btn-secondary {
  position: relative; padding: 1.4rem 4rem; background: transparent; border: 2px solid var(--color-primary);
  color: var(--color-primary); border-radius: 100px; font-weight: 800; font-size: 1.1rem;
  cursor: pointer; overflow: hidden; transition: var(--transition-smooth);
}
.btn-secondary:hover { background: var(--color-primary); color: #000; box-shadow: 0 0 40px var(--color-primary-glow); }
.btn-shimmer { position: absolute; top: -100%; left: -100%; width: 50%; height: 300%; background: linear-gradient(to right, transparent, rgba(255,255,255,0.2), transparent); transform: rotate(45deg); animation: shimmer 4s infinite; }
@keyframes shimmer { to { left: 200%; } }
.products-counter { text-align: center; margin-top: 2rem; color: var(--color-text-muted); font-size: 0.85rem; letter-spacing: 2px; }

/* CONTACTS ELITE */
.contacts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.contact-card {
  position: relative; background: var(--color-surface); border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--border-radius-lg); padding: 5rem 4rem; overflow: hidden; transition: var(--transition-ultra);
}
.contact-card-bg {
  position: absolute; inset: 0;
  background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(var(--color-primary-rgb), 0.1) 0%, transparent 50%);
  opacity: 0; transition: opacity 0.5s ease;
}
.contact-card:hover .contact-card-bg { opacity: 1; }
.contact-icon-wrap { width: 60px; height: 60px; color: var(--color-primary); margin-bottom: 3rem; position: relative; z-index: 2; }
.contact-card h3 { font-size: 2.8rem; margin-bottom: 1.5rem; position: relative; z-index: 2; }
.contact-card p { color: var(--color-text-dim); font-size: 1.1rem; line-height: 1.6; margin-bottom: 3rem; max-width: 320px; position: relative; z-index: 2; }
.contact-link-wrap { display: flex; flex-direction: column; gap: 0.8rem; position: relative; z-index: 2; }
.contact-label { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: var(--color-text-dim); }
.contact-action { font-size: 1.4rem; font-weight: 700; color: #fff; text-decoration: none; transition: color 0.3s; }
.contact-action:hover { color: var(--color-primary); }

.social-grid { display: flex; gap: 1rem; position: relative; z-index: 2; }
.social-pill { flex: 1; padding: 1.2rem; border-radius: 100px; text-decoration: none; text-align: center; font-weight: 800; font-size: 0.8rem; letter-spacing: 2px; transition: var(--transition-smooth); background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.05); }
.social-pill:hover { background: #fff; color: #000; transform: translateY(-5px); box-shadow: 0 10px 30px rgba(255,255,255,0.1); }
.social-pill.tg { color: #00ccff; }
.social-pill.ig { color: #fff; }

.contacts-cta {
  grid-column: span 2; margin-top: 2rem; background: #080808; border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--border-radius-xl); display: grid; grid-template-columns: 0.4fr 1fr; align-items: center; overflow: hidden;
}
.cta-visual { height: 100%; background: #000; display: flex; align-items: center; justify-content: center; position: relative; border-right: 1px solid rgba(255,255,255,0.05); }
.cta-glow { position: absolute; width: 150px; height: 150px; background: var(--color-primary); filter: blur(80px); opacity: 0.2; }
.cta-visual svg { width: 100px; height: 100px; color: var(--color-primary); position: relative; z-index: 2; }
.cta-content { padding: 6rem; }
.cta-content h3 { font-size: 4.5rem; margin-bottom: 2rem; }
.accent-text { color: var(--color-primary); }
.cta-content p { font-size: 1.3rem; color: var(--color-text-dim); line-height: 1.6; max-width: 600px; }

/* MODAL */
.modal { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; visibility: hidden; opacity: 0; transition: 0.4s; }
.modal.active { visibility: visible; opacity: 1; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.95); backdrop-filter: blur(15px); }
.modal-content { position: relative; width: 95%; max-width: 1200px; background: #000; border: 1px solid rgba(255,255,255,0.1); border-radius: 40px; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; transform: scale(0.9); transition: 0.4s; }
.modal.active .modal-content { transform: scale(1); }
.modal-image-wrap { background: #080808; padding: 4rem; display: flex; align-items: center; }
.modal-image { width: 100%; object-fit: contain; }
.modal-info { padding: 6rem; display: flex; flex-direction: column; justify-content: center; }
.modal-close { position: absolute; top: 2rem; right: 2rem; background: none; border: none; color: #fff; font-size: 2rem; cursor: pointer; }
.modal-category { color: var(--color-primary); text-transform: uppercase; letter-spacing: 4px; margin-bottom: 2rem; }
.modal-info h3 { font-size: 3.5rem; margin-bottom: 2rem; }
.modal-price { font-size: 6rem; font-weight: 900; letter-spacing: -4px; margin-top: 3rem; }
.modal-price::after { content: ' ₴'; color: var(--color-primary); font-size: 2.5rem; }

/* FOOTER */
.footer { padding: 6rem 0; border-top: 1px solid rgba(255,255,255,0.05); background: #000; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 1.5rem; }
.footer-logo { width: 40px; height: auto; opacity: 0.5; }
.footer-brand span { font-family: 'Syne'; font-weight: 700; letter-spacing: 2px; font-size: 0.9rem; color: var(--color-text-dim); }
.footer-copy { color: var(--color-text-muted); font-size: 0.8rem; letter-spacing: 1px; }

/* RESPONSIVE */
@media (max-width: 1200px) {
  .container { padding: 0 2rem; }
  .about-grid { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .about-card { grid-column: span 1 !important; padding: 2.5rem; }
  .modal-content { grid-template-columns: 1fr; height: 90vh; overflow-y: auto; }
  .modal-image-wrap { padding: 2rem; }
  .modal-info { padding: 3rem; }
  .contacts-cta { grid-template-columns: 1fr; }
  .cta-visual { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.05); padding: 4rem; }
  .cta-content h3 { font-size: 3.5rem; }
}

@media (max-width: 768px) {
  section { padding: 120px 0; overflow-x: hidden; }
  .navbar { padding: 1.2rem 0; }
  .hero { padding-top: 160px; overflow: hidden; }
  .hero-badge { margin-bottom: 2.5rem; padding: 0.7rem 1.4rem; font-size: 0.6rem; letter-spacing: 0.4em; border-color: rgba(var(--color-primary-rgb), 0.15); }
  .hero-title { font-size: 2.8rem; padding: 0 1rem; margin-bottom: 2rem; }
  .hero-subtitle { font-size: 1.15rem; margin-bottom: 4rem; padding: 0 2rem; opacity: 0.8; }
  .hero-actions { flex-direction: column; align-items: center; gap: 1rem; width: 100%; padding: 0 1.5rem; }
  .btn-primary, .btn-ghost { width: 100% !important; max-width: none; justify-content: center; padding: 1.4rem 2rem; font-size: 0.9rem; letter-spacing: 1px; }
  .hero-stats { flex-direction: column; gap: 3rem; align-items: center; margin-top: 6rem; padding-top: 4rem; }
  .stat-number { font-size: 3.5rem; }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-links.open { 
    display: flex; flex-direction: column; position: fixed; inset: 0; 
    background: rgba(3, 3, 3, 0.98); padding: 12rem 3rem; gap: 2.5rem; z-index: 1001;
    backdrop-filter: blur(25px);
  }
  .nav-links.open a { font-size: 2.4rem; font-family: 'Syne'; font-weight: 800; }

  .about-grid { grid-template-columns: 1fr !important; gap: 2rem; }
  .about-card { padding: 3.5rem 2.5rem; border-color: rgba(255,255,255,0.08); }
  .about-card h3 { font-size: 1.8rem; line-height: 1.1; margin-bottom: 1rem; }
  .about-card p { font-size: 1rem; }
  .card-number { font-size: 7rem; opacity: 0.015; }
  
  .filter-bar { justify-content: center; gap: 0.6rem; margin-bottom: 4rem; flex-wrap: wrap; }
  .filter-btn { padding: 0.85rem 1.4rem; font-size: 0.75rem; background: rgba(255,255,255,0.02); backdrop-filter: blur(5px); }
  .products-grid { grid-template-columns: 1fr !important; gap: 2.5rem; }
  .product-card-info { padding: 2rem; }
  .product-card-name { font-size: 1.3rem; margin-bottom: 0.5rem; }
  .product-card-price { font-size: 1.8rem; }
  .product-card-price::after { font-size: 1rem; }
  
  .modal-content { 
    grid-template-columns: 1fr !important; 
    width: 92%; 
    max-height: 85vh; 
    border-radius: 30px;
    border-color: rgba(var(--color-primary-rgb), 0.2);
  }
  .modal-image-wrap { padding: 1.5rem; background: #000; }
  .modal-info { padding: 2.5rem 2rem; }
  .modal-info h3 { font-size: 2rem; line-height: 1.1; }
  .modal-price { font-size: 3rem; margin-top: 2rem; }
  .modal-close { top: 1.5rem; right: 1.5rem; background: rgba(0,0,0,0.7); }

  .contacts-grid { grid-template-columns: 1fr !important; gap: 1.5rem; }
  .contact-card { padding: 4rem 2rem; }
  .contact-card h3 { font-size: 2.2rem; }
  .contact-card p { max-width: none; }
  .social-grid { flex-direction: column; width: 100%; }
  
  .contacts-cta { grid-column: 1 / -1 !important; margin-top: 1rem; border-radius: 30px; }
  .cta-visual { padding: 3.5rem; }
  .cta-content { padding: 4rem 2rem; }
  .cta-content h3 { font-size: 2.2rem; line-height: 1.1; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.2rem !important; }
  .hero-title { font-size: 1.8rem !important; letter-spacing: -0.01em !important; }
  .hero-subtitle { font-size: 0.95rem !important; margin-bottom: 3rem !important; }
  .section-title { font-size: 2.4rem !important; }
  .stat-number { font-size: 2.8rem !important; }
  .footer-inner {flex-direction: column; gap: 2rem;}
}

.nav-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }