@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:wght@400;700&family=DM+Sans:wght@400;500;600&display=swap');

@layer reset, tokens, layout, components, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  body { min-height: 100vh; display: flex; flex-direction: column; }
  main { flex: 1; }
  img { display: block; max-width: 100%; height: auto; }
  a { color: inherit; text-decoration: none; }
  ul { list-style: none; }
  button { background: none; border: none; cursor: pointer; font: inherit; }
  address { font-style: normal; }
  table { border-collapse: collapse; width: 100%; }
}

@layer tokens {
  :root {
    --color-aurora-1: #6ee7f7;
    --color-aurora-2: #a78bfa;
    --color-aurora-3: #34d399;
    --color-aurora-4: #60a5fa;
    --color-aurora-glow: rgba(110, 231, 247, 0.18);

    --color-surface: #f6f8fb;
    --color-surface-raised: #ffffff;
    --color-surface-inset: #eef1f7;
    --color-surface-alt: #f0f4ff;
    --color-surface-dark: #0f1623;

    --color-text-primary: #1a2035;
    --color-text-secondary: #4a5568;
    --color-text-muted: #7a8599;
    --color-text-inverse: #f6f8fb;

    --color-accent-primary: #4f46e5;
    --color-accent-primary-hover: #4338ca;
    --color-accent-ghost-border: #4f46e5;
    --color-accent-light: #ede9fe;

    --color-border: rgba(79, 70, 229, 0.12);
    --color-border-strong: rgba(79, 70, 229, 0.25);

    --shadow-sm: 0 1px 3px rgba(26,32,53,0.07), 0 1px 2px rgba(26,32,53,0.04);
    --shadow-md: 0 4px 12px rgba(26,32,53,0.08), 0 2px 4px rgba(26,32,53,0.05);
    --shadow-lg: 0 12px 32px rgba(26,32,53,0.10), 0 4px 8px rgba(26,32,53,0.06);
    --shadow-xl: 0 24px 48px rgba(26,32,53,0.12), 0 8px 16px rgba(26,32,53,0.07);
    --shadow-glow: 0 0 32px rgba(110,231,247,0.22), 0 0 8px rgba(167,139,250,0.15);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    --nav-height: 72px;
    --font-heading: 'Libre Baskerville', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;

    --transition-fast: 150ms ease;
    --transition-base: 280ms ease;
    --transition-slow: 450ms ease;
  }

  @media (prefers-color-scheme: dark) {
    :root {
      --color-surface: #0f1623;
      --color-surface-raised: #1a2340;
      --color-surface-inset: #0a0f1a;
      --color-surface-alt: #141c2e;
      --color-surface-dark: #060c16;

      --color-text-primary: #e8edf8;
      --color-text-secondary: #a0aec0;
      --color-text-muted: #718096;
      --color-text-inverse: #1a2035;

      --color-accent-primary: #818cf8;
      --color-accent-primary-hover: #a5b4fc;
      --color-accent-ghost-border: #818cf8;
      --color-accent-light: #1e1b4b;

      --color-border: rgba(129, 140, 248, 0.15);
      --color-border-strong: rgba(129, 140, 248, 0.30);

      --shadow-sm: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
      --shadow-md: 0 4px 12px rgba(0,0,0,0.35), 0 2px 4px rgba(0,0,0,0.2);
      --shadow-lg: 0 12px 32px rgba(0,0,0,0.4), 0 4px 8px rgba(0,0,0,0.25);
      --shadow-xl: 0 24px 48px rgba(0,0,0,0.45), 0 8px 16px rgba(0,0,0,0.3);
    }
  }
}

@layer layout {
  .layout-container {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: var(--space-md);
  }

  .content-narrow {
    max-width: 720px;
    margin-inline: auto;
  }

  .space-section {
    padding-block: var(--space-2xl);
  }

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

@layer components {

  
  .surface { background: var(--color-surface); }
  .surface-raised {
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
  }
  .surface-inset { background: var(--color-surface-inset); }
  .surface-alt { background: var(--color-surface-alt); }

  
  body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text-primary);
    background: var(--color-surface);
    -webkit-font-smoothing: antialiased;
  }

  .text-display {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
  }

  .section-heading {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3.5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.015em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
  }

  .text-body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.75;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
  }
  .text-body:last-child { margin-bottom: 0; }

  .text-caption {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
  }

  
  .action-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: var(--color-accent-primary);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border: 2px solid var(--color-accent-primary);
    transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base), border-color var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    min-height: 44px;
  }
  .action-primary:hover {
    background: var(--color-accent-primary-hover);
    border-color: var(--color-accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79,70,229,0.28);
  }
  .action-primary:active { transform: translateY(0); }

  .action-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: transparent;
    color: var(--color-accent-primary);
    border: 2px solid var(--color-accent-ghost-border);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    transition: background var(--transition-base), color var(--transition-base), transform var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    min-height: 44px;
  }
  .action-ghost:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
  }

  
  .nav-primary {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-surface);
    height: var(--nav-height);
    transition: background var(--transition-base), box-shadow var(--transition-base);
  }
  .nav-primary.scrolled {
    background: var(--color-surface-raised);
    box-shadow: var(--shadow-md);
  }

  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    gap: var(--space-md);
  }

  .nav-logo { display: flex; align-items: center; flex-shrink: 0; }
  .nav-logo-img { height: 36px; width: auto; }

  .nav-links {
    display: none;
    gap: var(--space-md);
    align-items: center;
  }
  @media (min-width: 900px) {
    .nav-links { display: flex; }
  }

  .nav-link {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 0.4rem 0;
    position: relative;
    transition: color var(--transition-fast);
    white-space: nowrap;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
    border-radius: 2px;
  }
  .nav-link:hover { color: var(--color-accent-primary); }
  .nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
  .nav-link.active { color: var(--color-accent-primary); }

  .nav-cta { display: none; }
  @media (min-width: 900px) { .nav-cta { display: inline-flex; } }

  .nav-hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
  }
  @media (min-width: 900px) { .nav-hamburger { display: none; } }
  .nav-hamburger:hover { background: var(--color-accent-light); }
  .nav-hamburger span {
    display: block;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-fast);
  }
  .nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-hamburger.open span:nth-child(2) { opacity: 0; }
  .nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav-border-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    right: 50%;
    height: 1px;
    background: var(--color-border-strong);
    transition: left var(--transition-slow) ease, right var(--transition-slow) ease;
  }
  .nav-primary.scrolled .nav-border-line {
    left: 0;
    right: 0;
  }

  
  .mobile-sheet-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 26, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1100;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
  }
  .mobile-sheet-overlay.active {
    opacity: 1;
    pointer-events: all;
  }

  .mobile-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1200;
    background: var(--color-surface-raised);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: var(--space-sm) var(--space-lg) calc(var(--space-lg) + env(safe-area-inset-bottom));
    transform: translateY(100%);
    transition: transform var(--transition-slow) cubic-bezier(0.32, 0.72, 0, 1);
    box-shadow: 0 -8px 40px rgba(10,15,26,0.2);
    max-height: 85vh;
    overflow-y: auto;
  }
  .mobile-sheet.open { transform: translateY(0); }

  .sheet-handle {
    width: 40px;
    height: 4px;
    background: var(--color-border-strong);
    border-radius: var(--radius-full);
    margin: 0.5rem auto var(--space-lg);
  }

  .sheet-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }

  .sheet-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text-primary);
    transition: background var(--transition-fast), color var(--transition-fast);
    min-height: 52px;
  }
  .sheet-link:hover, .sheet-link:active {
    background: var(--color-accent-light);
    color: var(--color-accent-primary);
  }
  .sheet-link i { width: 20px; color: var(--color-accent-primary); }

  .sheet-cta {
    margin-top: var(--space-sm);
    justify-content: center;
    width: 100%;
  }

  
  .aurora-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
  }

  .aurora-layer {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
    animation-direction: alternate;
  }

  .aurora-1 {
    width: 70%;
    height: 60%;
    top: -10%;
    left: -10%;
    background: radial-gradient(ellipse, var(--color-aurora-1) 0%, transparent 70%);
    animation: auroraFloat1 14s ease-in-out infinite alternate;
  }
  .aurora-2 {
    width: 60%;
    height: 70%;
    top: 20%;
    right: -10%;
    background: radial-gradient(ellipse, var(--color-aurora-2) 0%, transparent 70%);
    animation: auroraFloat2 18s ease-in-out infinite alternate;
  }
  .aurora-3 {
    width: 50%;
    height: 50%;
    bottom: -10%;
    left: 30%;
    background: radial-gradient(ellipse, var(--color-aurora-3) 0%, transparent 70%);
    animation: auroraFloat3 22s ease-in-out infinite alternate;
  }

  .aurora-bg-subtle .aurora-layer { opacity: 0.18; filter: blur(100px); }

  @keyframes auroraFloat1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(5%, 8%) scale(1.08); }
  }
  @keyframes auroraFloat2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-6%, -5%) scale(1.05); }
  }
  @keyframes auroraFloat3 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(4%, -8%) scale(1.1); }
  }

  
  .hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    overflow: hidden;
    background: var(--color-surface-inset);
  }

  .hero-midground {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
  }
  .hero-geo {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--color-border);
  }
  .hero-geo-1 {
    width: 500px;
    height: 500px;
    top: 10%;
    right: -100px;
    opacity: 0.4;
    animation: geoRotate 30s linear infinite;
  }
  .hero-geo-2 {
    width: 300px;
    height: 300px;
    bottom: 15%;
    left: 5%;
    opacity: 0.25;
    animation: geoRotate 45s linear infinite reverse;
  }
  @keyframes geoRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  .hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
    padding-block: var(--space-2xl);
  }
  @media (min-width: 900px) {
    .hero-content { grid-template-columns: 1fr 1fr; }
  }

  .hero-card {
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
  }
  @media (prefers-color-scheme: dark) {
    .hero-card {
      background: rgba(26,35,64,0.85);
      border-color: rgba(129,140,248,0.2);
    }
  }

  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--space-sm);
    color: var(--color-accent-primary);
  }
  .hero-eyebrow::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 2px;
    background: var(--color-accent-primary);
    border-radius: 2px;
  }

  .hero-heading {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
  }

  .hero-sub {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
  }

  .hero-image-wrap {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
  }
  .hero-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform var(--transition-slow);
    display: block;
  }
  .hero-image-wrap:hover .hero-img { transform: scale(1.03); }
  .hero-img-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(110,231,247,0.1) 0%, rgba(167,139,250,0.1) 100%);
    pointer-events: none;
  }

  .hero-scroll-hint {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-text-muted);
    z-index: 2;
    animation: scrollBounce 2.5s ease-in-out infinite;
  }
  @keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
  }

  
  .wave-divider {
    line-height: 0;
    overflow: hidden;
    position: relative;
    z-index: 1;
  }
  .wave-divider svg { display: block; width: 100%; }

  
  .intro-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
  }
  @media (min-width: 900px) {
    .intro-grid { grid-template-columns: 1fr 1fr; }
  }

  .intro-text { display: flex; flex-direction: column; gap: var(--space-sm); }
  .intro-text .action-ghost { align-self: flex-start; margin-top: var(--space-sm); }

  .intro-image-group {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--space-sm);
    align-items: end;
  }

  .intro-img-link { display: block; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
  .intro-img { width: 100%; object-fit: cover; transition: transform var(--transition-slow); display: block; }
  .intro-img-main { aspect-ratio: 4/5; }
  .intro-img-secondary { aspect-ratio: 1/1; }
  .intro-img-link:hover .intro-img { transform: scale(1.04); }

  
  .section-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
  }
  .section-sub { max-width: 460px; margin-bottom: 0; }

  
  .topics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  @media (min-width: 600px) { .topics-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1000px) { .topics-grid { grid-template-columns: repeat(4, 1fr); } }

  .topic-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  .topic-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl), 0 0 20px rgba(110,231,247,0.12);
  }

  .topic-icon-wrap {
    width: 48px;
    height: 48px;
    background: var(--color-accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .topic-icon { font-size: 1.2rem; color: var(--color-accent-primary); }

  .topic-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--radius-md);
    transition: transform var(--transition-slow);
  }
  .topic-card a:hover .topic-img { transform: scale(1.03); }
  .topic-card a { display: block; overflow: hidden; border-radius: var(--radius-md); }

  .topic-content { display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
  .topic-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-primary);
  }
  .topic-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-accent-primary);
    font-weight: 600;
    transition: gap var(--transition-fast);
    margin-top: auto;
  }
  .topic-link:hover { gap: 0.7rem; }

  
  .how-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    position: relative;
  }
  @media (min-width: 768px) { .how-steps { grid-template-columns: repeat(3, 1fr); } }

  .how-step {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  .how-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
  }

  .step-number {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 700;
    color: var(--color-border-strong);
    line-height: 1;
    letter-spacing: -0.04em;
  }

  .step-icon-wrap {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-aurora-1), var(--color-aurora-2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(110,231,247,0.3);
  }
  .step-icon { font-size: 1.4rem; color: #ffffff; }

  .step-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-primary);
  }

  .step-connector {
    display: none;
  }
  @media (min-width: 768px) {
    .how-step:not(:last-child) .step-connector {
      display: block;
      position: absolute;
      top: calc(var(--space-lg) + 28px);
      right: calc(-1 * var(--space-md) - 10px);
      width: calc(var(--space-md) * 2 + 20px);
      height: 2px;
      background: linear-gradient(90deg, var(--color-aurora-1), var(--color-aurora-2));
      opacity: 0.5;
    }
  }

  
  .aurora-section {
    position: relative;
    overflow: hidden;
    background: var(--color-surface-inset);
  }

  .featured-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
  }
  @media (min-width: 900px) {
    .featured-inner { grid-template-columns: 1fr 1fr; }
  }

  .featured-label { color: var(--color-accent-primary); margin-bottom: var(--space-xs); }
  .featured-title { margin-bottom: var(--space-md); }
  .featured-content { display: flex; flex-direction: column; gap: var(--space-sm); }
  .featured-content .action-primary { align-self: flex-start; margin-top: var(--space-sm); }

  .featured-image-wrap {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
  }
  .featured-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform var(--transition-slow);
    display: block;
  }
  .featured-image-wrap:hover .featured-img { transform: scale(1.03); }

  
  .posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  @media (min-width: 600px) { .posts-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 900px) { .posts-grid { grid-template-columns: repeat(3, 1fr); } }

  .post-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
  }
  .post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
  }

  .post-img-link { display: block; overflow: hidden; border-radius: var(--radius-md); }
  .post-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    transition: transform var(--transition-slow);
  }
  .post-img-link:hover .post-img { transform: scale(1.04); }

  .post-meta { display: flex; gap: var(--space-xs); flex-wrap: wrap; }
  .post-tag {
    background: var(--color-accent-light);
    color: var(--color-accent-primary);
    padding: 0.2rem 0.7rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
  }

  .post-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--color-text-primary);
  }
  .post-excerpt { font-size: 0.9rem; flex: 1; }

  
  .cta-section { position: relative; overflow: hidden; }
  .cta-inner { position: relative; z-index: 2; text-align: center; }
  .cta-aurora {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
  }
  .cta-aurora .aurora-2 { opacity: 0.15; filter: blur(80px); }
  .cta-title { margin-bottom: var(--space-sm); }
  .cta-content { max-width: 600px; margin-inline: auto; display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); }
  .cta-content .action-primary { margin-top: var(--space-sm); }

  
  .sidebar-cta {
    position: fixed;
    right: var(--space-md);
    bottom: 40%;
    z-index: 900;
    opacity: 0;
    transform: translateX(80px);
    transition: opacity var(--transition-base), transform var(--transition-base);
  }
  .sidebar-cta.visible {
    opacity: 1;
    transform: translateX(0);
  }

  .sidebar-cta-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.9rem 0.75rem;
    background: var(--color-accent-primary);
    color: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(79,70,229,0.2);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: transform var(--transition-fast), box-shadow var(--transition-base);
    min-width: 52px;
    min-height: 52px;
  }
  .sidebar-cta-btn:hover {
    transform: scale(1.08) translateX(-3px);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(79,70,229,0.3);
  }
  .sidebar-cta-btn i { font-size: 1.1rem; }
  .sidebar-cta-label { font-size: 0.65rem; }

  
  .page-hero {
    position: relative;
    padding-top: calc(var(--nav-height) + var(--space-xl));
    padding-bottom: var(--space-xl);
    overflow: hidden;
  }

  .page-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 720px;
  }

  .page-eyebrow {
    color: var(--color-accent-primary);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .page-eyebrow::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 2px;
    background: var(--color-accent-primary);
    border-radius: 2px;
  }

  .page-title {
    margin-bottom: var(--space-md);
    font-size: clamp(2.2rem, 5vw, 4rem);
  }
  .page-intro { font-size: 1.1rem; max-width: 600px; }

  .legal-hero { padding-bottom: var(--space-lg); }

  
  .principle-block {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-lg);
    align-items: start;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-xl);
  }
  .principle-block:last-of-type { border-bottom: none; }

  .principle-icon-wrap {
    width: 56px;
    height: 56px;
    background: var(--color-accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .principle-icon { font-size: 1.3rem; color: var(--color-accent-primary); }

  .principle-title {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
  }

  .principle-summary {
    margin-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
  }
  .principle-summary-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-primary);
  }
  .principle-summary .action-primary { align-self: flex-start; }

  
  .tools-intro { margin-bottom: var(--space-xl); }

  .tools-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
  }
  @media (min-width: 700px) { .tools-grid { grid-template-columns: 1fr 1fr; } }

  .tool-category { display: flex; flex-direction: column; gap: var(--space-sm); }

  .tool-cat-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-xs);
  }
  .tool-cat-icon { font-size: 1.4rem; color: var(--color-accent-primary); }
  .tool-cat-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-primary);
  }

  .tool-list { display: flex; flex-direction: column; gap: var(--space-md); }

  .tool-item { border-left: 3px solid var(--color-aurora-1); padding-left: var(--space-sm); }
  .tool-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-primary);
    margin-bottom: 0.3rem;
  }

  .tools-note {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    margin-bottom: var(--space-xl);
  }
  .tools-note-icon { font-size: 1.5rem; color: var(--color-aurora-4); flex-shrink: 0; margin-top: 0.2rem; }
  .tools-note-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
  }

  .tools-image-row { text-align: center; }
  .tools-img-link { display: inline-block; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-xl); }
  .tools-img { width: 100%; max-width: 800px; aspect-ratio: 16/7; object-fit: cover; transition: transform var(--transition-slow); }
  .tools-img-link:hover .tools-img { transform: scale(1.02); }

  
  .method-section { scroll-margin-top: var(--nav-height); }

  .method-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
  }
  @media (min-width: 900px) {
    .method-layout { grid-template-columns: 1fr 1fr; }
    .method-layout-reverse .method-text { order: 2; }
    .method-layout-reverse .method-image { order: 1; }
  }

  .method-label-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--space-sm);
  }
  .method-label-icon { color: var(--color-accent-primary); font-size: 1rem; }
  .method-label { color: var(--color-accent-primary); }

  .method-text { display: flex; flex-direction: column; gap: var(--space-sm); }
  .method-sub-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-top: var(--space-sm);
    margin-bottom: 0.25rem;
  }

  .method-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
  }
  .method-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform var(--transition-slow);
    display: block;
  }
  .method-image:hover .method-img { transform: scale(1.03); }

  
  .contact-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: start;
  }
  @media (min-width: 900px) { .contact-layout { grid-template-columns: 1fr 1fr; } }

  .contact-form-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
  }

  .form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: var(--space-md); }
  .form-label { color: var(--color-text-secondary); }

  .form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--color-surface-inset);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    min-height: 44px;
  }
  .form-input:focus {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
  }
  .form-textarea { min-height: 140px; resize: vertical; line-height: 1.65; }

  .form-privacy { flex-direction: row !important; gap: 0 !important; }
  .form-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    line-height: 1.5;
  }
  .form-checkbox { position: absolute; opacity: 0; width: 0; height: 0; }
  .form-checkbox-custom {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface-inset);
    transition: background var(--transition-fast), border-color var(--transition-fast);
    position: relative;
    margin-top: 2px;
  }
  .form-checkbox:checked + .form-checkbox-custom {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
  }
  .form-checkbox:checked + .form-checkbox-custom::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: 2px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
  }
  .form-privacy-link { color: var(--color-accent-primary); text-decoration: underline; }

  .form-submit { width: 100%; justify-content: center; margin-top: var(--space-sm); }

  .contact-info-col { display: flex; flex-direction: column; gap: var(--space-md); }

  .contact-info-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
  }

  .contact-info-item {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
  }
  .contact-info-item:last-child { border-bottom: none; padding-bottom: 0; }
  .contact-info-icon { font-size: 1.1rem; color: var(--color-accent-primary); margin-top: 0.2rem; flex-shrink: 0; }
  .contact-info-label { margin-bottom: 0.2rem; }
  .contact-info-link {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
  }
  .contact-info-link:hover { color: var(--color-accent-primary); }

  .map-title { margin-bottom: var(--space-md); }
  .map-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
  .map-iframe { display: block; border: 0; filter: saturate(0.85); }

  
  .thanks-body { background: var(--color-surface-inset); }
  .thanks-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--nav-height);
  }

  .thanks-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    text-align: center;
    padding: var(--space-2xl) var(--space-md);
  }

  .thanks-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-aurora-1), var(--color-aurora-2));
    box-shadow: 0 0 40px rgba(110,231,247,0.5), 0 0 20px rgba(167,139,250,0.4);
    opacity: 0;
    animation: dotReveal 0.8s ease forwards 0.2s;
  }
  @keyframes dotReveal {
    0% { opacity: 0; transform: scale(0); }
    60% { transform: scale(3); }
    100% { opacity: 1; transform: scale(2.5); }
  }

  .thanks-heading {
    opacity: 0;
    animation: fadeUp 0.7s ease forwards 1s;
    font-size: clamp(1.8rem, 4vw, 3rem);
  }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .thanks-link {
    opacity: 0;
    animation: fadeUp 0.6s ease forwards 1.8s;
    color: var(--color-accent-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap var(--transition-fast);
  }
  .thanks-link:hover { gap: 0.9rem; }

  
  .site-footer {
    margin-top: auto;
    padding-block: var(--space-xl);
    padding-bottom: var(--space-lg);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
  }
  @media (min-width: 600px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 900px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }

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

  .footer-brand { display: flex; flex-direction: column; gap: var(--space-sm); }
  .footer-logo { height: 32px; width: auto; }
  .footer-tagline { color: var(--color-text-muted); }

  .footer-card-title {
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    display: block;
  }

  .footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
  .footer-link {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    min-height: 28px;
    display: inline-flex;
    align-items: center;
  }
  .footer-link:hover { color: var(--color-accent-primary); }

  .footer-address { display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.9rem; color: var(--color-text-secondary); }

  .footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-md);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  .footer-copy { color: var(--color-text-muted); }

  
  .legal-content { max-width: 800px; }
  .legal-lead {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 2px solid var(--color-border);
  }

  .legal-heading {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--color-border);
  }

  .legal-subheading {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-xs);
  }

  
  .impressum-content { max-width: 900px; }
  .impressum-table {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    margin-block: var(--space-sm);
    font-size: 0.9rem;
  }
  .impressum-table th {
    background: var(--color-surface-inset);
    padding: 0.6rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--color-text-secondary);
    width: 35%;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
  }
  .impressum-table td {
    padding: 0.6rem 1rem;
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
  }
  .impressum-table tr:last-child th,
  .impressum-table tr:last-child td { border-bottom: none; }
  .impressum-link {
    color: var(--color-accent-primary);
    text-decoration: underline;
    transition: color var(--transition-fast);
  }
  .impressum-link:hover { color: var(--color-accent-primary-hover); }
}

@layer utilities {
  .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
  }

  @media (max-width: 599px) {
    .principle-block {
      grid-template-columns: 1fr;
    }
    .principle-icon-wrap {
      width: 44px;
      height: 44px;
    }
    .tools-note {
      flex-direction: column;
    }
    .space-card {
      padding: var(--space-md);
    }
    .hero-card {
      padding: var(--space-lg);
    }
    .impressum-table th,
    .impressum-table td {
      display: block;
      width: 100%;
    }
    .impressum-table th {
      padding-bottom: 0.2rem;
      border-bottom: none;
    }
    .impressum-table td {
      padding-top: 0.2rem;
    }
  }
}