/* CSS Variables & Custom Properties */
@property --gradient-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

@property --glow-size {
  syntax: '<length>';
  initial-value: 0px;
  inherits: false;
}

:root {
  --color-primary: #D93535;
  --color-dark: #0a0a0a;
  --color-light: #ffffff;
  --color-accent: #ff4757;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #D93535 0%, #ff4757 50%, #ff6b6b 100%);
  --gradient-mesh: conic-gradient(from 180deg at 50% 50%, #D93535 0deg, #ff4757 120deg, #0a0a0a 240deg, #D93535 360deg);

  /* Animations */
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* CSS Layers */
@layer base, layout, components, utilities;

@layer base {
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--color-dark);
    color: var(--color-light);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><defs><filter id="shadow" x="-50%" y="-50%" width="200%" height="200%"><feDropShadow dx="0" dy="0" flood-color="rgba(217,53,53,0.5)" flood-opacity="1" stdDeviation="2"/></filter></defs><circle cx="16" cy="16" r="8" fill="black" stroke="%23D93535" stroke-width="2" filter="url(%23shadow)"/></svg>') 16 16, auto;
  }

  a, button {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><defs><filter id="glow" x="-50%" y="-50%" width="200%" height="200%"><feDropShadow dx="0" dy="0" flood-color="rgba(217,53,53,0.8)" flood-opacity="1" stdDeviation="3"/></filter></defs><circle cx="16" cy="16" r="10" fill="black" stroke="%23D93535" stroke-width="3" filter="url(%23glow)"/></svg>') 16 16, pointer;
  }

  /* Smooth Scroll */
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 2rem;
  }

  /* Selection Style */
  ::selection {
    background: color-mix(in srgb, var(--color-primary) 30%, transparent);
    color: var(--color-light);
  }
}

@layer components {
  /* Noise Texture */
  .noise {
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: overlay;
  }

  /* Animated Gradient Orbs */
  .gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
    pointer-events: none;
    z-index: 0;
  }

  .orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
  }

  .orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    top: 60%;
    right: -5%;
    animation-delay: 7s;
  }

  .orb-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, color-mix(in srgb, var(--color-primary) 50%, var(--color-accent)) 0%, transparent 70%);
    bottom: -20%;
    left: 30%;
    animation-delay: 14s;
  }

  @keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -100px) scale(1.1); }
    50% { transform: translate(-50px, 50px) scale(0.95); }
    75% { transform: translate(100px, 100px) scale(1.05); }
  }

  /* Container */
  .container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 5vw, 3rem);
  }

  /* Hero Section */
  .hero {
    min-height: 100vh;
    display: grid;
    place-items: center;
    position: relative;
    container-type: inline-size;
  }

  .hero-content {
    text-align: center;
    animation: fadeInUp 1s var(--ease-smooth);
  }

  .logo-container {
    margin-bottom: 2rem;
    position: relative;
  }

  .hero-logo {
    width: clamp(120px, 15vw, 180px);
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(217, 53, 53, 0.3));
  }

  .hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
  }

  .title-line {
    display: block;
    animation: slideIn 0.8s var(--ease-smooth) backwards;
  }

  .title-line:nth-child(2) {
    animation-delay: 0.2s;
  }

  .gradient-text {
    background: linear-gradient(
      90deg,
      #D93535 0%,
      #FF0056 20%,
      #DC2626 40%,
      #EF4444 60%,
      #F87171 80%,
      #D93535 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
    animation: aiGradient 8s linear infinite;
    filter: brightness(1.1);
  }

  @keyframes aiGradient {
    0% {
      background-position: 0% center;
    }
    100% {
      background-position: 200% center;
    }
  }

  .gradient-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
      90deg,
      transparent,
      #D93535 20%,
      #FF0056 50%,
      #D93535 80%,
      transparent
    );
    opacity: 0.7;
    animation: aiUnderline 3s ease-in-out infinite;
  }

  @keyframes aiUnderline {
    0%, 100% {
      transform: scaleX(0.5);
      opacity: 0.3;
    }
    50% {
      transform: scaleX(1);
      opacity: 0.7;
    }
  }

  .hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: color-mix(in srgb, var(--color-light) 70%, transparent);
    margin-bottom: 3rem;
    animation: fadeIn 1s 0.4s var(--ease-smooth) backwards;
  }

  /* CTA Buttons */
  .cta-container {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
  }

  .cta-primary,
  .cta-secondary {
    position: relative;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    overflow: hidden;
  }

  .cta-primary {
    background: var(--gradient-primary);
    color: var(--color-light);
    box-shadow: 0 10px 30px -10px rgba(217, 53, 53, 0.5);
  }

  .cta-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 15px 40px -10px rgba(217, 53, 53, 0.6);
  }

  .cta-glow {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at center, var(--color-light) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
  }

  .cta-primary:hover .cta-glow {
    animation: pulse 1.5s infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 0; }
    50% { opacity: 0.1; }
  }

  .cta-secondary {
    background: transparent;
    color: var(--color-light);
    border: 2px solid color-mix(in srgb, var(--color-light) 20%, transparent);
    backdrop-filter: blur(10px);
  }

  .cta-secondary:hover {
    border-color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 10%, transparent);
    transform: translateY(-2px);
  }

  /* Stats Cards */
  .stats-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    justify-content: center;
    margin-top: 4rem;
    animation: fadeInUp 1s 0.6s var(--ease-smooth) backwards;
  }

  .stat-card {
    background: linear-gradient(135deg,
      color-mix(in srgb, var(--color-dark) 90%, var(--color-primary)),
      color-mix(in srgb, var(--color-dark) 95%, transparent)
    );
    border: 1px solid color-mix(in srgb, var(--color-light) 10%, transparent);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s var(--ease-smooth);
    position: relative;
    overflow: hidden;
  }

  .stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, var(--color-primary) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
  }

  .stat-card:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: color-mix(in srgb, var(--color-primary) 30%, transparent);
  }

  .stat-card:hover::before {
    opacity: 0.1;
  }

  .stat-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
  }

  .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .stat-label {
    font-size: 0.875rem;
    color: color-mix(in srgb, var(--color-light) 70%, transparent);
    text-align: center;
  }

  /* Features Section */
  .features {
    padding: 6rem 2rem;
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
  }

  .feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
  }

  @media (max-width: 1024px) {
    .feature-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 1.5rem;
    }
  }

  @media (max-width: 768px) {
    .feature-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }

    .feature-card {
      padding: 2rem 1.5rem;
      min-height: 280px;
    }

    .feature-icon {
      width: 45px;
      height: 45px;
      margin-bottom: 1rem;
    }

    .feature-card h3 {
      font-size: 1.1rem;
    }

    .feature-card p {
      font-size: 0.875rem;
      line-height: 1.3;
    }
  }

  @media (max-width: 480px) {
    .feature-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 0.75rem;
    }

    .feature-card {
      padding: 1.5rem 1rem;
      min-height: 240px;
    }

    .feature-icon {
      width: 35px;
      height: 35px;
      margin-bottom: 0.75rem;
    }

    .feature-card h3 {
      font-size: 1rem;
    }

    .feature-card p {
      font-size: 0.75rem;
      line-height: 1.2;
    }
  }

  .feature-card {
    background: linear-gradient(135deg,
      color-mix(in srgb, var(--color-dark) 80%, var(--color-primary) 5%),
      var(--color-dark)
    );
    border: none;
    border-radius: 20px;
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s var(--ease-smooth);
    background-size: cover;
    background-position: -20% -60%;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 320px;
  }

  .feature-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: conic-gradient(
      from var(--rotation, 0deg),
      var(--color-primary),
      var(--color-accent),
      transparent,
      var(--color-primary)
    );
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    opacity: 0;
    animation: borderPulse 8s ease-in-out infinite, borderSpin 8s linear infinite;
    pointer-events: none;
  }

  .feature-card:nth-child(1)::after {
    animation-delay: 0s;
  }

  .feature-card:nth-child(2)::after {
    animation-delay: 2s;
  }

  .feature-card:nth-child(3)::after {
    animation-delay: 4s;
  }

  .feature-card:nth-child(4)::after {
    animation-delay: 6s;
  }

  @keyframes borderPulse {
    0%, 100% {
      opacity: 0;
      transform: scale(1);
    }
    10% {
      opacity: 0.8;
    }
    25% {
      opacity: 0.5;
      transform: scale(1.01);
    }
    40% {
      opacity: 0;
      transform: scale(1);
    }
  }

  @keyframes borderSpin {
    from {
      --rotation: 0deg;
    }
    to {
      --rotation: 360deg;
    }
  }

  @property --rotation {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
  }

  @keyframes borderRotate {
    0% {
      background: linear-gradient(0deg,
        var(--color-primary),
        var(--color-accent),
        transparent,
        transparent,
        var(--color-primary)
      );
    }
    25% {
      background: linear-gradient(90deg,
        transparent,
        var(--color-primary),
        var(--color-accent),
        transparent,
        transparent
      );
    }
    50% {
      background: linear-gradient(180deg,
        transparent,
        transparent,
        var(--color-primary),
        var(--color-accent),
        transparent
      );
    }
    75% {
      background: linear-gradient(270deg,
        var(--color-accent),
        transparent,
        transparent,
        var(--color-primary),
        var(--color-accent)
      );
    }
    100% {
      background: linear-gradient(360deg,
        var(--color-primary),
        var(--color-accent),
        transparent,
        transparent,
        var(--color-primary)
      );
    }
  }

  .feature-card:nth-child(1) {
    background-image:
      linear-gradient(135deg,
        color-mix(in srgb, var(--color-dark) 90%, var(--color-primary) 5%),
        color-mix(in srgb, var(--color-dark) 85%, transparent)
      ),
      url('images-site/performance.jpg');
  }

  .feature-card:nth-child(2) {
    background-image:
      linear-gradient(135deg,
        color-mix(in srgb, var(--color-dark) 90%, var(--color-primary) 5%),
        color-mix(in srgb, var(--color-dark) 85%, transparent)
      ),
      url('images-site/tracking.jpg');
  }

  .feature-card:nth-child(3) {
    background-image:
      linear-gradient(135deg,
        color-mix(in srgb, var(--color-dark) 90%, var(--color-primary) 5%),
        color-mix(in srgb, var(--color-dark) 85%, transparent)
      ),
      url('images-site/ab testing.jpg');
  }

  .feature-card:nth-child(4) {
    background-image:
      linear-gradient(135deg,
        color-mix(in srgb, var(--color-dark) 90%, var(--color-primary) 5%),
        color-mix(in srgb, var(--color-dark) 85%, transparent)
      ),
      url('images-site/tempo real.jpg');
  }

  .feature-card:hover {
    transform: translateY(-5px);
  }

  .feature-card:hover::after {
    opacity: 1;
    animation-duration: 6s;
  }

  .feature-icon {
    position: relative;
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
  }

  .feature-icon svg {
    width: 100%;
    height: 100%;
    color: var(--color-primary);
  }

  .icon-glow {
    position: absolute;
    inset: -10px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    opacity: 0.3;
    filter: blur(20px);
    animation: iconPulse 3s infinite;
  }

  @keyframes iconPulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.5; }
  }

  .feature-card h3 {
    font-size: 1.25rem;
    margin: 0;
    font-weight: 600;
    position: relative;
    z-index: 2;
    line-height: 1;
  }

  .feature-card p {
    color: color-mix(in srgb, var(--color-light) 70%, transparent);
    line-height: 1.4;
    position: relative;
    z-index: 2;
    margin: 0;
    margin-top: -3px;
  }

  /* Specialist Section */
  .specialist-section {
    margin: 6rem 0;
    padding: 4rem 2rem;
  }

  .specialist-container {
    max-width: 1400px;
    margin: 0 auto;
  }

  .specialist-wrapper {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(217, 53, 53, 0.3);
    min-height: 600px;
  }

  .specialist-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.9) contrast(1.1);
  }

  .specialist-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
      transparent 0%,
      transparent 40%,
      rgba(0, 0, 0, 0.3) 50%,
      rgba(0, 0, 0, 0.6) 60%,
      rgba(0, 0, 0, 0.85) 70%,
      rgba(0, 0, 0, 0.95) 85%,
      black 100%
    );
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }

  .specialist-content {
    padding: 4rem 3rem;
    max-width: 50%;
    margin-right: 0;
    margin-left: auto;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  }

  @media (min-width: 1200px) {
    .specialist-content {
      padding: 5rem 4rem;
      max-width: 45%;
      margin-right: 0;
      margin-left: auto;
    }
  }

  .specialist-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
  }

  .specialist-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--color-light);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
  }

  .specialist-title .gradient-text {
    display: inline-block;
  }

  .specialist-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-style: italic;
  }

  .specialist-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
  }

  .specialist-stats .stat-item {
    text-align: left;
  }

  .specialist-stats .stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(217, 53, 53, 0.4);
  }

  .specialist-stats .stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
  }

  .specialist-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: white;
    border: none;
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(217, 53, 53, 0.3);
    position: relative;
    overflow: hidden;
  }

  .specialist-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
  }

  .specialist-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(217, 53, 53, 0.5);
  }

  .specialist-cta:hover::before {
    left: 100%;
  }

  @media (max-width: 968px) {
    .specialist-wrapper {
      min-height: 700px;
      display: flex;
      flex-direction: column;
    }

    .specialist-bg-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 50%;
      object-fit: cover;
      object-position: center top;
    }

    .specialist-overlay {
      background: linear-gradient(180deg,
        transparent 0%,
        transparent 35%,
        rgba(0, 0, 0, 0.8) 45%,
        black 50%,
        black 100%
      );
      align-items: flex-end;
      justify-content: center;
      padding-bottom: 2rem;
    }

    .specialist-content {
      text-align: center;
      padding: 3rem 2rem;
      margin-right: 0;
      max-width: 100%;
      position: relative;
      margin-top: auto;
    }

    .specialist-stats {
      justify-content: center;
      grid-template-columns: repeat(2, 1fr);
    }

    .specialist-stats .stat-item {
      text-align: center;
    }
  }

  @media (max-width: 480px) {
    .specialist-section {
      padding: 2rem 1rem;
      margin: 3rem 0;
    }

    .specialist-wrapper {
      min-height: 600px;
      border-radius: 20px;
    }

    .specialist-bg-image {
      height: 50%;
      object-position: center top;
      object-fit: cover;
    }

    .specialist-overlay {
      background: linear-gradient(180deg,
        transparent 0%,
        transparent 40%,
        rgba(0, 0, 0, 0.7) 48%,
        black 50%,
        black 100%
      );
      align-items: flex-end;
      justify-content: center;
      padding-bottom: 2rem;
    }

    .specialist-title {
      font-size: 1.6rem;
      margin-bottom: 1rem;
    }

    .specialist-description {
      font-size: 0.95rem;
      margin-bottom: 1.5rem;
    }

    .specialist-stats {
      gap: 1rem;
      margin-bottom: 1.5rem;
    }

    .specialist-stats .stat-value {
      font-size: 1.8rem;
    }

    .specialist-stats .stat-label {
      font-size: 0.8rem;
    }

    .specialist-cta {
      width: 100%;
      justify-content: center;
      padding: 1rem 2rem;
      font-size: 1rem;
    }

    .specialist-content {
      padding: 1.5rem 1.5rem 2rem 1.5rem;
      margin-top: auto;
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 2;
    }

    .specialist-badge {
      font-size: 0.75rem;
      padding: 0.4rem 1rem;
      margin-bottom: 1rem;
    }
  }

  /* Interactive Section */
  .interactive {
    padding: 6rem 2rem;
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
  }

  .section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
  }

  .interactive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
  }

  .interactive-item {
    aspect-ratio: 1;
    position: relative;
    cursor: pointer;
    transform-style: preserve-3d;
    transition: transform 0.3s var(--ease-smooth);
  }

  .item-inner {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
      color-mix(in srgb, var(--color-primary) 20%, transparent),
      color-mix(in srgb, var(--color-dark) 90%, var(--color-primary) 10%)
    );
    border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    position: relative;
    overflow: hidden;
  }

  .item-inner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
      color-mix(in srgb, var(--color-primary) 30%, transparent) 0%,
      transparent 50%
    );
    opacity: 0;
    transition: opacity 0.3s;
  }

  .interactive-item:hover .item-inner::before {
    opacity: 1;
  }

  .item-number {
    font-size: 2rem;
    font-weight: 700;
    opacity: 0.3;
  }

  .interactive-item h4 {
    font-size: 1rem;
    font-weight: 600;
  }

  /* Scroll Progress */
  .scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform-origin: left;
    transform: scaleX(var(--scroll-progress, 0));
    transition: transform 0.1s;
    z-index: 100;
  }

  /* Custom Cursor - Hidden since we're using CSS cursor */
  .cursor,
  .cursor-follower {
    display: none;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Container Queries */
@container (max-width: 768px) {
  .hero-title {
    font-size: clamp(2rem, 6vw, 3rem);
  }

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

/* View Transitions API */
@supports (view-transition-name: none) {
  ::view-transition-old(root) {
    animation: fade-out 0.3s ease-out;
  }

  ::view-transition-new(root) {
    animation: fade-in 0.3s ease-out;
  }
}

/* Scroll-driven Animations */
@supports (animation-timeline: scroll()) {
  .feature-card {
    animation: reveal linear both;
    animation-timeline: view();
    animation-range: entry 25% cover 50%;
  }

  @keyframes reveal {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* CSS Nesting */
.interactive-item {
  & .item-inner {
    & h4 {
      transition: color 0.3s;
    }
  }

  &:hover {
    & .item-inner h4 {
      color: var(--color-primary);
    }
  }
}

/* Modern Selectors */
.feature-grid:has(.feature-card:hover) .feature-card:not(:hover) {
  opacity: 0.7;
  transform: scale(0.98);
}

/* Subgrid Support */
@supports (grid-template-columns: subgrid) {
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));

    & .feature-card {
      display: grid;
      grid-template-rows: subgrid;
      grid-row: span 3;
    }
  }
}

/* Media Queries */
@media (max-width: 768px) {
  .cursor,
  .cursor-follower {
    display: none;
  }

  .cta-container {
    flex-direction: column;
    align-items: center;
  }

  .cta-primary,
  .cta-secondary {
    width: 100%;
    max-width: 300px;
  }

  /* Keep 3 columns on mobile */
  .stats-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    padding: 0 1rem;
  }

  .stat-card {
    padding: 1.5rem 0.75rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  /* Even smaller screens */
  .stats-cards {
    gap: 0.5rem;
  }

  .stat-card {
    padding: 1.25rem 0.5rem;
  }

  .stat-number {
    font-size: 1.25rem;
  }

  .stat-label {
    font-size: 0.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .scroll-progress {
    display: none;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .feature-card,
  .interactive-item .item-inner {
    border-width: 2px;
    border-color: var(--color-light);
  }

  .gradient-text {
    -webkit-text-fill-color: var(--color-primary);
  }
}