/* styles.css – Premium Cyber/SecOps Dark Theme */

:root {
  /* Color Palette - Deep Dark Blue & Neon Accents */
  --bg-dark: #0a0e17;
  /* Very deep blue/black */
  --bg-gradient: radial-gradient(circle at 50% 0%, #1a2333 0%, #0a0e17 80%);

  --primary: #00f2fe;
  /* Cyan Neon */
  --primary-glow: rgba(0, 242, 254, 0.4);
  --secondary: #4facfe;
  /* Electric Blue */

  --accent: #7d5fff;
  /* Purple used for depth */

  --text-main: #eef2f6;
  --text-muted: #94a3b8;

  --glass-surface: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 16px;

  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 8px;

  --font-main: 'Inter', sans-serif;

  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Reset & Base */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  /* Parallax-like background */
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Ambient Glow Backgrounds */
.glow-bg {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.2;
  pointer-events: none;
}

.glow-1 {
  top: -100px;
  left: -100px;
  background: var(--primary);
}

.glow-2 {
  bottom: 0;
  right: -100px;
  background: var(--accent);
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 1rem 2rem;
  backdrop-filter: blur(12px);
  background: rgba(10, 14, 23, 0.7);
  border-bottom: 1px solid var(--glass-border);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  /* Matching the login page gradient: blue-600 to indigo-600 */
  background: linear-gradient(135deg, #2563EB, #4F46E5);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.02em;
}

/* Language Toggle */
.lang-btn {
  background: var(--glass-surface);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  font-family: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.lang-icon {
  font-size: 1.1rem;
}

/* HERO SECTION */
.hero {
  height: 100vh;
  min-height: 800px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 2rem;
  position: relative;
}

.hero-content {
  max-width: 800px;
  animation: fadeUp 1s ease-out forwards;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--primary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.1;
  font-weight: 800;
  margin: 0 0 1.5rem 0;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Buttons */
.btn-primary {
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: #000;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  box-shadow: 0 0 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--primary-glow);
}

.btn-secondary {
  padding: 1rem 2rem;
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--glass-border);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-main);
}

/* SECTIONS COMMON */
.overview,
.features,
.cta {
  padding: 6rem 2rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* FEATURES GRID */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--glass-surface);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  padding: 2rem;
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
}

/* Glow effect on card hover */
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.06), transparent 40%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

.feature-card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  padding: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.card-desc {
  color: var(--text-muted);
  font-size: 1rem;
}

/* CTA Section */
.cta-content {
  background: lineargradient(180deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.0) 100%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.cta-content::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: var(--radius-lg);
  box-shadow: 0 0 100px -20px var(--primary-glow);
  opacity: 0.5;
}

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

/* Footer */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--glass-border);
  margin-top: 4rem;
  background: #05070a;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand .logo {
  font-size: 1.1rem;
  color: var(--muted);
}

.footer-brand .version {
  background: #1e293b;
  color: #94a3b8;
  padding: 2px 6px;
  font-size: 0.75rem;
  border-radius: 4px;
  margin-left: 8px;
}

.copyright {
  color: #475569;
  font-size: 0.9rem;
  margin: 0;
}

/* Utilities */
.hidden {
  opacity: 0;
  transform: translateY(30px);
  transition: all 1s ease-out;
}

.show {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    justify-content: center;
  }

  .lang-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
  }

  .logo-container {
    margin-bottom: 0;
  }

  .nav {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Language Visibility Logic */
.lang-en {
  display: none;
}

.lang-tr {
  display: none;
}

html[data-lang="en"] .lang-en {
  display: block;
}

html[data-lang="tr"] .lang-tr {
  display: block;
}