/* 
 * LGD Investments - Main Stylesheet
 * Inspired by letsgodevops.pl design
 */

/* ============================================
   CSS VARIABLES & RESET
   ============================================ */

:root {
  /* Colors inspired by letsgodevops.pl */
  --color-bg: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-text: #ffffff;
  --color-text-muted: #a0a0a0;
  --color-accent: #00d4ff;
  --color-accent-hover: #00b8e6;
  --color-border: #222222;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: 2rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

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

/* ============================================
   BASE STYLES
   ============================================ */

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.site-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--spacing-xl) 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
}

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

.hero-title {
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 900;
  line-height: 0.95;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.03em;
}

.title-line {
  display: block;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.title-line:nth-child(2) {
  animation-delay: 0.2s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-tagline {
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 300;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.4s;
  opacity: 0;
}

/* ============================================
   CONTENT SECTION
   ============================================ */

.content-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg);
}

.content-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.main-content h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.main-content h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.main-content p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.main-content a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.main-content a:hover {
  border-bottom-color: var(--color-accent);
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.cta-text {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.cta-button {
  display: inline-block;
  padding: 1rem 3rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-bg);
  background-color: var(--color-accent);
  border: none;
  border-radius: 50px;
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  letter-spacing: 0.02em;
}

.cta-button:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.footer-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-email {
  color: var(--color-accent);
  text-decoration: none;
  font-size: 1.125rem;
  transition: color var(--transition-fast);
}

.footer-email:hover {
  color: var(--color-accent-hover);
}

.footer-bottom {
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  :root {
    --container-padding: 1.5rem;
    --spacing-xl: 4rem;
  }
  
  .hero {
    min-height: 70vh;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
    --spacing-xl: 3rem;
  }
  
  .cta-button {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}