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

:root {
  /* Palette: Light theme, Neon accents */
  --c-bg: #FFFFFF;
  --c-surface: #F8FAFC;
  --c-surface-alt: #F1F5F9;
  --c-border: #E2E8F0;
  
  --c-text-main: #0F172A;
  --c-text-muted: #475569;
  --c-text-faint: #94A3B8;
  
  /* The Brand Gradient: Magenta (0) -> Purple -> Blue */
  --g-brand: linear-gradient(135deg, #FF00FF 0%, #8A2BE2 50%, #00E5FF 100%);
  --c-accent-1: #FF00FF; /* Magenta */
  --c-accent-2: #00E5FF; /* Cyan */
  
  --fs-h1: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  --fs-h2: clamp(2rem, 4vw + 1rem, 3.5rem);
  --fs-h3: clamp(1.25rem, 2vw + 0.5rem, 1.75rem);
  --fs-body: clamp(1rem, 0.5vw + 0.75rem, 1.125rem);
  
  --sp-container: 1080px;
  --sp-pad: clamp(1.5rem, 5vw, 4rem);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-glow: 0 20px 25px -5px rgba(138, 43, 226, 0.15), 0 8px 10px -6px rgba(0, 229, 255, 0.1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--c-bg);
  color: var(--c-text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--c-text-main);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--c-text-muted);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Layout Utilities --- */

/* MANDATORY CONTAINER PATTERN */
.vk-wrap {
  width: 100%;
  max-width: var(--sp-container);
  margin: 0 auto;
  padding-inline: var(--sp-pad);
}

section {
  padding-block: clamp(4rem, 10vw, 8rem);
  position: relative;
  display: flex;
  flex-direction: column;
}

/* --- Typography Utilities --- */

.txt-gradient {
  background: var(--g-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.txt-sm { font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

/* --- Components --- */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--g-brand);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 0, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 0, 255, 0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--c-border);
  color: var(--c-text-main);
}

.btn-outline:hover {
  border-color: var(--c-text-main);
  background: var(--c-surface);
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  padding-block: 1rem;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-logo span {
  color: var(--c-accent-1);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--c-accent-1);
}

.nav-cta {
  display: none; /* hidden on mobile, shown via media query if needed */
}

/* Hero Grid */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  padding: 4rem 0;
}

.hero-content {
  text-align: left;
}

.hero-eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.25rem 0.75rem;
  background: rgba(138, 43, 226, 0.1);
  color: #8A2BE2;
  border-radius: 100px;
}

.hero-title {
  font-size: var(--fs-h1);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  background: var(--c-surface-alt);
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: transparent;
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--g-brand);
  border-radius: 12px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 0.5rem;
  background: var(--g-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item p {
  font-weight: 500;
  color: var(--c-text-main);
  margin-bottom: 0;
}

/* CTA Band */
.cta-band {
  background: var(--c-text-main);
  color: white;
  border-radius: var(--radius-lg);
  padding: clamp(3rem, 8vw, 6rem);
  text-align: center;
}

.cta-band h2 {
  color: white;
}

.cta-band p {
  color: #94A3B8;
  max-width: 600px;
  margin: 0 auto 2rem auto;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--c-border);
  padding: 1.5rem 0;
}

.faq-question {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
  color: var(--c-text-main);
}

.faq-answer {
  color: var(--c-text-muted);
}

/* Footer */
.site-footer {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding-top: 4rem;
  padding-bottom: 2rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1rem;
  max-width: 250px;
}

.footer-col h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  color: var(--c-text-main);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.75rem;
}

.footer-col a:hover {
  color: var(--c-accent-2);
}

.footer-bottom {
  border-top: 1px solid var(--c-border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  color: var(--c-text-faint);
}

/* Responsive Media Queries */
@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.2fr 1fr;
  }
  
  .nav-cta {
    display: block;
  }
  
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Simplified for this output, would be burger menu in prod */
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
  }
}
*{box-sizing:border-box}
img,svg,video{max-width:100%;height:auto}
body{margin:0}