/* ========================================
   Modern Portfolio Styles
   Minimalist Apple-inspired design
   ======================================== */

/* ========================================
   CSS Custom Properties (Design Tokens)
   ======================================== */
:root {
  /* Colors - Apple-inspired minimal palette */
  --color-background: #ffffff;
  --color-surface: #f5f5f7;
  --color-text-primary: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-accent: #0071e3;
  --color-accent-hover: #0077ed;
  --color-border: #d2d2d7;

  /* Typography - System font stack */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Font sizes - fluid typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);

  /* Spacing - 8px base scale */
  --space-1: 0.5rem;   /* 8px */
  --space-2: 1rem;     /* 16px */
  --space-3: 1.5rem;   /* 24px */
  --space-4: 2rem;     /* 32px */
  --space-5: 3rem;     /* 48px */
  --space-6: 4rem;     /* 64px */
  --space-8: 6rem;     /* 96px */
  --space-10: 8rem;    /* 128px */

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --border-radius: 12px;
  --border-radius-sm: 8px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #000000;
    --color-surface: #1d1d1f;
    --color-text-primary: #f5f5f7;
    --color-text-secondary: #a1a1a6;
    --color-accent: #2997ff;
    --color-accent-hover: #409cff;
    --color-border: #424245;
  }
}

/* ========================================
   Modern CSS Reset
   ======================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  min-height: 100vh;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ========================================
   Container
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-3);
}

@media (min-width: 640px) {
  .container {
    padding: var(--space-5);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: var(--space-8) var(--space-6);
  }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  text-align: center;
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    text-align: left;
    gap: var(--space-6);
  }
}

.hero-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05),
              0 10px 20px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  .hero-image {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3),
                0 10px 20px rgba(0, 0, 0, 0.4);
  }
}

.hero-image img {
  width: 100%;
  height: auto;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* ========================================
   Bio Section
   ======================================== */
.bio {
  max-width: var(--container-narrow);
  margin: 0 auto var(--space-8);
  text-align: center;
}

.bio-text {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* ========================================
   Resume CTA
   ======================================== */
.resume-section {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-10);
}

.btn-resume {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-base);
  font-weight: 600;
  color: #ffffff;
  background-color: var(--color-accent);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px rgba(0, 113, 227, 0.25);
  transition: all var(--transition-base);
}

.btn-resume:hover {
  background-color: var(--color-accent-hover);
  box-shadow: 0 4px 12px rgba(0, 113, 227, 0.35);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-resume:active {
  transform: translateY(0);
}

.icon-download {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

/* ========================================
   Social Links Grid
   ======================================== */
.social-links {
  margin-bottom: var(--space-10);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-5);
  text-align: center;
  color: var(--color-text-primary);
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
  max-width: 800px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .social-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
}

.social-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background-color: var(--color-surface);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  color: var(--color-text-primary);
}

.social-link:hover {
  background-color: var(--color-background);
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  .social-link:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
  }
}

.social-link:active {
  transform: translateY(-2px);
}

.social-link .icon {
  width: 32px;
  height: 32px;
  fill: var(--color-text-secondary);
  stroke: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.social-link:hover .icon {
  fill: var(--color-accent);
  stroke: var(--color-accent);
}

.social-link span {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}

/* ========================================
   Showcase Sections (Games & Art)
   ======================================== */
.showcase {
  margin-bottom: var(--space-10);
}

.showcase-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .showcase-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

.showcase-item {
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  transition: all var(--transition-base);
}

.showcase-item:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  .showcase-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  }
}

.showcase-item iframe {
  width: 100%;
  min-height: 167px;
  border: none;
  display: block;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  margin-top: var(--space-10);
  padding: var(--space-6) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* ========================================
   Accessibility Utilities
   ======================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
  .showcase,
  .social-links {
    display: none;
  }

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

  body {
    background: white;
    color: black;
  }
}