/* Reset & Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #8b5cf6;
  --accent-color: #ec4899;
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --bg-card: #111111;
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;
  --border-color: #262626;
  --spacing-unit: 1rem;
  --max-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  user-select: text;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Development Warning Banner */
.dev-warning {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #000000;
  padding: 0.75rem 0;
  text-align: center;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
  animation: pulse-warning 2s ease-in-out infinite;
}

.dev-warning-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.dev-warning-icon {
  font-size: 1rem;
}

.dev-warning-text {
  font-size: 0.875rem;
}

@keyframes pulse-warning {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.9;
  }
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 40px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: var(--transition);
}

.logo-link:hover {
  opacity: 0.8;
  transform: scale(1.05);
}

.logo {
  height: 180px;
  width: auto;
  object-fit: contain;
  pointer-events: none;
}

/* Navigation */
.nav {
  position: relative;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  gap: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a:focus {
  color: var(--text-primary);
  outline: none;
}

.nav-menu a:hover::after,
.nav-menu a:focus::after {
  width: 100%;
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14rem 2rem 4rem;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
  outline: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover,
.btn-secondary:focus {
  border-color: var(--primary-color);
  color: var(--primary-color);
  outline: none;
}

/* Section Styles */
section {
  padding: 6rem 0;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 3rem;
}

/* Projects Section (Software & Games Side by Side) */
.projects-section {
  background: var(--bg-darker);
}

.projects-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.projects-column {
  display: flex;
  flex-direction: column;
}

.projects-column .section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-align: left;
  margin-bottom: 0.5rem;
}

.projects-column .section-subtitle {
  text-align: left;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.game-card {
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.game-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.game-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.game-placeholder {
  color: var(--text-muted);
  font-size: 1.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.game-card-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.game-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.game-card-description {
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

/* We Are Buffy Section */
.we-are-buffy-section {
  background: var(--bg-dark);
}

.we-are-buffy-content {
  max-width: 900px;
  margin: 0 auto;
}

.we-are-buffy-text {
  text-align: center;
}

.we-are-buffy-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.we-are-buffy-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature:hover {
  border-color: var(--primary-color);
  transform: translateY(-4px);
}

.feature h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--primary-color);
}

.feature p {
  color: var(--text-secondary);
  line-height: 1.6;
}


/* Footer */
.footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  text-align: center;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
  }

  .logo {
    height: 80px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-menu[aria-hidden="false"] {
    max-height: 400px;
  }

  .nav-menu a {
    font-size: 1.125rem;
    padding: 1rem 0;
  }

  .hero {
    padding: 8rem 1rem 3rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .container {
    padding: 0 1rem;
  }

  section {
    padding: 4rem 0;
  }

  .projects-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .projects-column .section-title {
    text-align: center;
  }

  .projects-column .section-subtitle {
    text-align: center;
  }

  .games-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .we-are-buffy-features {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .header {
    top: 36px;
  }

  .hero {
    padding: 10rem 1rem 3rem;
  }

  .logo {
    height: 120px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }
}

/* Smooth Scroll Offset */
html {
  scroll-padding-top: 240px;
}

/* Focus Styles for Accessibility */
a:focus,
button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Selection Styles */
::selection {
  background: var(--primary-color);
  color: var(--text-primary);
}