@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --bg: #0b1120;
  --bg2: #080c18;
  --card: #0f172a;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --text: #ffffff;
  --secondary: #94a3b8;
  --muted: #475569;
  --border: rgba(148, 163, 184, 0.1);
  --glass: rgba(59, 130, 246, 0.05);
  --glass-border: rgba(59, 130, 246, 0.12);
  --shadow-accent: 0 4px 20px rgba(59, 130, 246, 0.3);
}

body {
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo {
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text);
  letter-spacing: 1px;
}
.logo .core {
  color: var(--accent);
}
.btn-nav {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 12px 28px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.3s;
  letter-spacing: 1px;
}
.btn-nav:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 60px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}
.badge {
  display: inline-block;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 8px 20px;
  border-radius: 4px;
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 28px;
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
}
h1 {
  font-family: "Orbitron", sans-serif;
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 24px;
  color: var(--text);
  text-transform: none;
}
.hero-desc {
  color: var(--secondary);
  font-size: 1.05rem;
  margin-bottom: 40px;
  max-width: 520px;
  line-height: 1.7;
}
.stats {
  display: flex;
  gap: 48px;
  margin-top: 48px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}
.stat-num {
  font-family: "Orbitron", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.stat-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--secondary);
  letter-spacing: 2px;
  margin-top: 6px;
}

/* FORM */
.form-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}
.form-title {
  font-family: "Orbitron", sans-serif;
  font-size: 1.15rem;
  text-align: center;
  margin-bottom: 28px;
  color: var(--text);
  font-weight: 700;
}
.form-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 16px;
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 14px;
  outline: none;
  transition: 0.3s;
}
.form-input:focus {
  border-color: var(--accent);
}
.form-input::placeholder {
  color: var(--muted);
}
.btn-primary {
  width: 100%;
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 18px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
  letter-spacing: 1.5px;
  margin-top: 8px;
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}
.form-footer {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  margin-top: 18px;
}

/* SECTIONS */
.section {
  padding: 100px 0;
}
.section-alt {
  background: var(--bg2);
}
.section-title {
  font-family: "Orbitron", sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--text);
}
.section-sub {
  text-align: center;
  color: var(--secondary);
  font-size: 1.05rem;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 36px 28px;
  transition: 0.3s;
}
.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}
.feature-title {
  font-family: "Orbitron", sans-serif;
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--text);
  font-weight: 700;
}
.feature-desc {
  color: var(--secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* AI SECTION */
.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.ai-list {
  margin-top: 28px;
}
.ai-item {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  color: var(--secondary);
  font-size: 1rem;
}
.ai-item::before {
  content: "✓";
  color: var(--accent);
  font-weight: bold;
  font-size: 1.2rem;
  min-width: 24px;
}
.hook {
  font-family: "Orbitron", sans-serif;
  font-size: 1.15rem;
  color: var(--accent);
  margin-top: 36px;
  padding: 24px 28px;
  border-left: 3px solid var(--accent);
  background: rgba(59, 130, 246, 0.05);
  line-height: 1.6;
}

/* SECURITY */
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.security-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  transition: 0.3s;
}
.security-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.security-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(59, 130, 246, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.6rem;
}
.security-title {
  font-family: "Orbitron", sans-serif;
  font-size: 0.9rem;
  margin-bottom: 10px;
  color: var(--text);
  font-weight: 700;
}
.security-desc {
  color: var(--secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* SIMPLE */
.simple-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.simple-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 32px;
}
.simple-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Orbitron", sans-serif;
  font-size: 0.8rem;
  color: var(--accent);
  flex-shrink: 0;
  font-weight: 700;
}
.simple-title {
  font-family: "Orbitron", sans-serif;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 6px;
  font-weight: 700;
}
.simple-desc {
  color: var(--secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* TESTIMONIALS */
.test-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.test-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 32px;
  transition: 0.3s;
}
.test-card:hover {
  border-color: var(--accent);
}
.test-loc {
  color: var(--accent);
  font-size: 0.8rem;
  margin-bottom: 8px;
  font-weight: 600;
}
.test-name {
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  font-size: 1.05rem;
}
.test-text {
  color: var(--secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  font-style: italic;
}

/* FAQ */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: "Orbitron", sans-serif;
  font-size: 0.9rem;
  color: var(--text);
  transition: 0.3s;
}
.faq-q:hover {
  color: var(--accent);
}
.faq-icon {
  color: var(--accent);
  font-size: 1.3rem;
  transition: 0.3s;
}
.faq-a {
  padding: 0 24px 20px;
  color: var(--secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  display: none;
}
.faq-item.active .faq-a {
  display: block;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* CTA */
.cta-section {
  padding: 100px 0;
  text-align: center;
}
.cta-title {
  font-family: "Orbitron", sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.cta-sub {
  color: var(--secondary);
  margin-bottom: 40px;
  font-size: 1.1rem;
}
.btn-cta {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  padding: 18px 48px;
  font-family: "Orbitron", sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 8px;
  transition: 0.3s;
  letter-spacing: 1.5px;
}
.btn-cta:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

/* FOOTER */
.footer-main {
  padding: 60px 0;
  background: var(--bg2);
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
}
.footer-brand {
  font-family: "Orbitron", sans-serif;
  font-size: 1.3rem;
  color: var(--text);
  margin-bottom: 12px;
}
.footer-brand .core {
  color: var(--accent);
}
.footer-desc {
  color: var(--secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
  max-width: 320px;
  line-height: 1.6;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.9rem;
  cursor: pointer;
  transition: 0.3s;
}
.social-btn:hover {
  background: var(--accent);
  color: var(--bg);
}
.footer-title {
  font-family: "Orbitron", sans-serif;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 18px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: 0.3s;
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-bottom {
  padding: 24px 0;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg2);
}
.footer-bottom p {
  color: var(--muted);
  font-size: 0.75rem;
}
.footer-bottom a {
  color: var(--muted);
  text-decoration: none;
}
.footer-bottom a:hover {
  color: var(--accent);
}

/* SCROLL TOP */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 1.2rem;
  transition: 0.3s;
  z-index: 99;
  opacity: 0;
  pointer-events: none;
}
.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

a {
  text-decoration: none;
}

a:visited {
  color: unset;
}

html {
  scroll-behavior: smooth;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-lang {
  position: relative;
  font-family: "Orbitron";
  display: inline-block;
  
}

.nav-lang button {
  background-color: var(--accent);
  padding: 12px;
  cursor: pointer;
  border: none;
  font-size: 16px;
  max-height: 35px;
  border-radius: 6px;
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-lang button img {
  max-width: 20px;
  width: 100%;
  height: auto;
}

.nav-lang-content {
  display: none;
  position: absolute;
  background-color: var(--accent);
  max-width: 120px;
  box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.nav-lang-content a {
  color: black;
  padding: 12px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-lang-content a:hover {
  background-color: #f1f1f1;
}

.nav-lang:hover .nav-lang-content {
  display: block;
}

@media (max-width: 900px) {
  .hero-grid,
  .ai-grid,
  .simple-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .features-grid,
  .security-grid,
  .test-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  h1 {
    font-size: 2.4rem;
  }
  .section-title {
    font-size: 1.7rem;
  }
  .cta-title {
    font-size: 1.9rem;
  }
  .container {
    padding: 0 24px;
  }
}
@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .stats {
    flex-direction: column;
    gap: 24px;
  }

  .nav-inner {
    flex-wrap: wrap;
    gap: 10px;
    max-height: 120px;
    height: 100%;
    padding-bottom: 10px;
  }

  .stats-2 {
    flex-direction: column;
    align-items: flex-start;
  }
}