@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;400&display=swap');

:root {
  --bg-dark: #161922;
  --surface: #262b37;
  --primary: #63e7c4;
  --primary-grad: linear-gradient(90deg, #63e7c4 10%, #3a7bd5 80%);
  --accent: #eb64bf;
  --text-main: #f8fafd;
  --text-muted: #a2adc0;
  --shadow: 0 6px 42px rgba(30, 40, 60, 0.12);
}

body {
  margin: 0;
  background: var(--bg-dark);
  color: var(--text-main);
  font-family: 'Montserrat', Arial, sans-serif;
  min-height: 100vh;
  letter-spacing: 0.01em;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3vw;
  background: rgba(22, 25, 34, 0.97);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 50;
  height: 74px;
}

/* Branding - logo and text */
.branding {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 250px;
}

.site-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 12px;
  display: block;
}

.brand-text {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: #89f3df;
  background: var(--primary-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  letter-spacing: 0.02em;
}

.brand-highlight {
  color: #418bfa;
  -webkit-text-fill-color: inherit;
  background: none;
}

/* Navigation links */
.navbar-links {
  list-style: none;
  display: flex;
  gap: 2.2rem;
  margin: 0;
  margin-right: 16px;
}

.navbar-links li {
  margin: 0;
}

.navbar-links a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 500;
  border-radius: 4px;
  padding: 0.25rem 0.75rem;
  transition: background 0.19s;
  font-size: 1.13rem;
}

.navbar-links a:hover,
.navbar-links a:focus {
  background: var(--primary-grad);
  color: #212439;
}

.navbar-toggle {
  background: none;
  color: var(--primary);
  font-size: 2rem;
  border: none;
  display: none;
  cursor: pointer;
}

/* Responsive Nav */
@media (max-width: 960px) {
  .navbar {
    padding-left: 1vw;
    padding-right: 1vw;
  }
  .brand-text {
    font-size: 1.45rem;
  }
  .site-logo-img {
    width: 40px;
    height: 40px;
  }
  .navbar-links {
    gap: 1.15rem;
  }
}

@media (max-width: 600px) {
  .branding {
    min-width: 0;
    gap: 8px;
  }
  .navbar {
    height: 56px;
  }
  .site-logo-img {
    width: 28px;
    height: 28px;
  }
  .brand-text {
    font-size: 1rem;
  }
  .navbar-links {
    display: none;
    flex-direction: column;
    background: #22263a;
    position: absolute;
    right: 0;
    top: 56px;
    width: max(52vw, 160px);
    border-radius: 0 0 0 1rem;
    box-shadow: var(--shadow);
    z-index: 100;
    padding: 1.2rem 0;
  }
  .navbar-links.active {
    display: flex;
  }
  .navbar-toggle {
    display: block;
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 48vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(circle at 75% 40%, #eb64bf55, transparent 75%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 3rem 1rem 2rem 1rem;
}

.hero-content h1 {
  font-size: 2.6rem;
  margin-bottom: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.gradient-text {
  background: var(--primary-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.cta-button {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: 1.6rem;
  font-size: 1.1rem;
  font-weight: bold;
  background: var(--primary-grad);
  color: #181d27;
  text-decoration: none;
  box-shadow: 0 2px 24px #63e7c422;
  transition: box-shadow 0.15s, transform 0.15s;
  outline: none;
}

.cta-button:hover,
.cta-button:focus {
  background: var(--accent);
  color: var(--text-main);
  box-shadow: 0 4px 32px #eb64bf33;
  transform: translateY(-2px) scale(1.03);
}

/* Languages Section */
.languages-section {
  padding: 4vw 2vw 2vw 2vw;
  background: var(--bg-dark);
}

.languages-section h2 {
  text-align: center;
  margin-top: 0;
  margin-bottom: 2.2rem;
  font-size: 2.1rem;
  font-weight: bold;
  letter-spacing: 0.02em;
}

.language-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(195px, 1fr));
  gap: 2rem;
  max-width: 1040px;
  margin: 0 auto;
}

.language-card {
  background: var(--surface);
  border-radius: 1.1rem;
  box-shadow: var(--shadow);
  padding: 1.5rem 1rem 1.25rem 1rem;
  text-align: center;
  position: relative;
  transition: transform 0.17s, box-shadow 0.17s;
  cursor: pointer;
  overflow: hidden;
}

.language-card:hover,
.language-card:focus {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 8px 44px #3a7bd566;
  z-index: 3;
}

.language-card h3 {
  margin: 0 0 0.4rem 0;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--primary);
}

.language-card .lang-script {
  font-size: 1.15rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  font-family: inherit;
  letter-spacing: 0.05em;
}

.language-card p {
  font-size: 0.99rem;
  color: var(--text-muted);
}

/* About Section */
.about-section {
  background: linear-gradient(90deg, #282e43 30%, #1f2231 67%);
  padding: 3rem 5vw 2.1rem 5vw;
  text-align: center;
}

.about-section h2 {
  font-size: 2rem;
  margin-bottom: 1.3rem;
  font-weight: bold;
  letter-spacing: 0.03em;
}

.about-section p {
  color: var(--text-main);
  font-size: 1.17rem;
  max-width: 670px;
  margin: 0 auto;
}

/* Footer */
footer {
  background: #191b2a;
  padding: 1.1rem 0 1.05rem 0;
  text-align: center;
  color: #91aec4;
  font-size: 1rem;
}

/* Responsive adjustments */
@media (max-width: 850px) {
  .language-grid {
    gap: 1.1rem;
  }
  .hero-content {
    padding-top: 2rem;
  }
  .languages-section,
  .about-section {
    padding-left: 3vw;
    padding-right: 3vw;
  }
}

@media (max-width: 600px) {
  .hero-content h1 {
    font-size: 1.4rem;
  }
  .languages-section h2 {
    font-size: 1.2rem;
  }
}