@layer reset, base, components, utilities;

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  img {
    display: block;
    max-inline-size: 100%;
    block-size: auto;
  }

  a {
    text-decoration: none;
    color: inherit;
  }
}

@layer base {
  :root {
    color-scheme: dark;
    
    /* Apple-inspired dark palette using oklch */
    --color-bg: oklch(0.13 0.01 260);
    --color-bg-elevated: oklch(0.18 0.01 260);
    --color-bg-glass: oklch(0.2 0.01 260 / 0.6);
    --color-text-primary: oklch(0.98 0 0);
    --color-text-secondary: oklch(0.7 0 0);
    --color-text-muted: oklch(0.5 0 0);
    --color-accent: oklch(0.7 0.15 250);
    --color-accent-hover: oklch(0.8 0.18 250);
    --color-border: oklch(0.3 0.01 260);
    --color-glow: oklch(0.6 0.2 250 / 0.3);
    
    /* Typography */
    --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
    --font-size-base: clamp(1rem, 1.5vw + 0.5rem, 1.125rem);
    --font-size-hero: clamp(2.5rem, 5vw + 1rem, 5rem);
    --font-size-subtitle: clamp(1rem, 2vw + 0.5rem, 1.5rem);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    /* Effects */
    --blur-glass: blur(20px);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  html {
    font-family: var(--font-system);
    font-size: var(--font-size-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    min-block-size: 100dvh;
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    display: flex;
    flex-direction: column;
  }
}

@layer components {
  /* Hero Section */
  .hero {
    min-block-size: 100dvh;
    display: grid;
    place-items: center;
    padding-inline: var(--space-md);
    padding-block: var(--space-lg);
    position: relative;
    overflow: hidden;
    
    &::before {
      content: "";
      position: absolute;
      inset: 0;
      background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--color-glow), transparent),
        radial-gradient(ellipse 60% 40% at 80% 100%, oklch(0.5 0.15 300 / 0.2), transparent);
      pointer-events: none;
    }
  }

  .hero-content {
    text-align: center;
    max-inline-size: 60rem;
    position: relative;
    z-index: 1;
  }

  .hero-title {
    font-size: var(--font-size-hero);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-block-end: var(--space-sm);
    background: linear-gradient(
      to bottom,
      var(--color-text-primary) 0%,
      var(--color-text-secondary) 100%
    );
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
  }

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

  .highlight {
    background: linear-gradient(
      135deg,
      var(--color-accent) 0%,
      oklch(0.75 0.2 300) 100%
    );
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
  }

  /* Social Links */
  .social-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    container-type: inline-size;
  }

  .social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    inline-size: 4rem;
    block-size: 4rem;
    border-radius: 1rem;
    background: var(--color-bg-glass);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--color-border);
    transition: 
      transform var(--transition-smooth),
      background var(--transition-smooth),
      box-shadow var(--transition-smooth);
    
    & img {
      inline-size: 1.75rem;
      block-size: 1.75rem;
      object-fit: contain;
      filter: brightness(0) invert(1);
      opacity: 0.8;
      transition: opacity var(--transition-smooth);
    }
    
    &:hover {
      transform: translateY(-0.25rem) scale(1.05);
      background: var(--color-bg-elevated);
      box-shadow: 
        0 0.5rem 2rem oklch(0 0 0 / 0.3),
        0 0 0 1px var(--color-accent);
      
      & img {
        opacity: 1;
      }
    }
    
    &:active {
      transform: translateY(0) scale(0.98);
    }
  }

  @container (max-width: 30rem) {
    .social-link {
      inline-size: 3.5rem;
      block-size: 3.5rem;
      
      & img {
        inline-size: 1.5rem;
        block-size: 1.5rem;
      }
    }
  }

  /* Navigation Bar */
  .nav-bar {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    padding-block: var(--space-sm);
    padding-inline: var(--space-md);
    background: var(--color-bg-glass);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border-block-end: 1px solid var(--color-border);
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .nav-logo {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text-primary);
  }

  .nav-link {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 0.5rem;
    transition: 
      color var(--transition-smooth),
      background var(--transition-smooth);
    
    &:hover {
      color: var(--color-text-primary);
      background: var(--color-bg-elevated);
    }
  }

  /* Back Button */
  .back-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 2rem;
    background: var(--color-bg-glass);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: 
      color var(--transition-smooth),
      background var(--transition-smooth),
      border-color var(--transition-smooth);
    
    &::before {
      content: "←";
    }
    
    &:hover {
      color: var(--color-text-primary);
      background: var(--color-bg-elevated);
      border-color: var(--color-accent);
    }
  }

  /* Photo Gallery */
  .gallery-page {
    min-block-size: 100dvh;
    padding-block-start: var(--space-xl);
    padding-block-end: var(--space-lg);
    padding-inline: var(--space-md);
  }

  .gallery-header {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-glass);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border-block-end: 1px solid var(--color-border);
    z-index: 100;
    display: flex;
    align-items: center;
    gap: var(--space-md);
  }

  .gallery-title {
    font-size: 1.125rem;
    font-weight: 600;
  }

  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(20rem, 100%), 1fr));
    gap: var(--space-sm);
    container-type: inline-size;
  }

  .gallery-item {
    aspect-ratio: 4 / 3;
    border-radius: 1rem;
    overflow: hidden;
    background: var(--color-bg-elevated);
    position: relative;
    
    & img {
      inline-size: 100%;
      block-size: 100%;
      object-fit: cover;
      transition: transform var(--transition-smooth);
    }
    
    &::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(
        to top,
        oklch(0 0 0 / 0.3) 0%,
        transparent 50%
      );
      opacity: 0;
      transition: opacity var(--transition-smooth);
    }
    
    &:hover {
      & img {
        transform: scale(1.05);
      }
      
      &::after {
        opacity: 1;
      }
    }
  }

  @container (max-width: 40rem) {
    .gallery-grid {
      grid-template-columns: 1fr;
    }
  }
}

@layer utilities {
  .visually-hidden {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
}