/* CSS Variables */
:root {
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #141414;
  --color-text-primary: #f5f5f5;
  --color-text-secondary: #a0a0a0;
  --color-accent: #00d4ff;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.landing-page {
  width: 100%;
  min-height: 100vh;
}

/* Hero Section */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 60vh;
  background-color: var(--color-bg-primary);
  padding: var(--spacing-lg);
}

.hero-content {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  text-align: left;
}

.hero-intro {
  font-size: clamp(0.875rem, 2vw, 1rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-headline {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-xl);
  line-height: 1.1;
}

.rotating-word-container {
  height: clamp(3.5rem, 9vw, 6rem);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  overflow: visible;
}

.rotating-word {
  color: var(--color-accent);
  transition: opacity 0.3s ease, transform 0.3s ease;
  display: inline-block;
}

.rotating-word.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.rotating-word.fade-out {
  opacity: 0;
  transform: translateY(-10px);
}

.hero-subheadline {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0;
  line-height: 1.6;
}

/* How I Work Section */
.work-section {
  background-color: var(--color-bg-primary);
  padding: var(--spacing-lg) var(--spacing-lg);
}

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

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  letter-spacing: -0.01em;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.card {
  background-color: var(--color-bg-primary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: var(--spacing-xl);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.1);
}

.card-icon {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.01em;
}

.card-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Contact Section */
.contact-section {
  background-color: var(--color-bg-primary);
  padding: var(--spacing-lg) var(--spacing-lg);
}

.contact-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.contact-text {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

.contact-row {
  display: flex;
  flex-direction: row;
  gap: var(--spacing-lg);
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-link {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.contact-link:hover {
  color: #33ddff;
  transform: translateX(4px);
}

.linkedin-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.linkedin-link:hover {
  transform: scale(1.1);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .hero-section,
  .work-section,
  .contact-section {
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .card {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .hero-section,
  .work-section,
  .contact-section {
    padding: var(--spacing-xl) var(--spacing-sm);
  }

  .card {
    padding: var(--spacing-md);
  }
}