:root {
  --bg-deep: #070a12;
  --bg-elevated: #0d111c;
  --bg-card: #12182a;
  --text: #e8ecf4;
  --text-muted: #8b95ad;
  --accent: #5eead4;
  --accent-dim: rgba(94, 234, 212, 0.15);
  --accent-2: #a78bfa;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --font-sans: "Manrope", system-ui, sans-serif;
  --font-display: "Syne", var(--font-sans);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(94, 234, 212, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(167, 139, 250, 0.08), transparent 50%);
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 9999;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.wrap {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 10, 18, 0.75);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 24px var(--accent-dim);
}

.nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(4rem, 10vw, 7rem);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.hero-kicker {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero-accent {
  background: linear-gradient(105deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin: 0 0 2rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, #2dd4bf, #14b8a6);
  color: #042f2e;
  box-shadow: 0 8px 32px rgba(45, 212, 191, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 12px 40px rgba(45, 212, 191, 0.45);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.btn-ghost:hover {
  border-color: rgba(94, 234, 212, 0.35);
  color: var(--accent);
}

.hero-glow {
  position: absolute;
  right: -10%;
  top: 20%;
  width: min(50vw, 420px);
  height: min(50vw, 420px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.2), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

/* Sections */
.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.section-alt {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.section-title {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.section-text {
  margin: 0 0 1rem;
  max-width: 38rem;
}

.section-text:last-child {
  margin-bottom: 0;
}

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

.small {
  font-size: 0.85rem;
}

.grid-2 {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.feature-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.feature-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.feature-list li:first-child {
  padding-top: 0;
}

.feature-icon {
  color: var(--accent);
  font-size: 0.75rem;
  line-height: 1.8;
}

/* KVED */
.kved-card {
  max-width: 32rem;
  padding: 2rem;
  background: linear-gradient(145deg, var(--bg-card), var(--bg-deep));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
}

.kved-code {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  letter-spacing: -0.04em;
  color: var(--accent);
}

.kved-name {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.kved-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-card-wide {
    grid-column: 1 / -1;
  }
}

.contact-card {
  padding: 1.5rem 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact-card h3 {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-address {
  font-style: normal;
  margin: 0;
  line-height: 1.7;
}

.contact-link {
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--accent);
  text-decoration: none;
}

.contact-link:hover {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}

.footer-inner {
  text-align: center;
}

.footer-brand {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
}

.footer-legal {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 52rem;
  margin-inline: auto;
}