* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  :root {
    --color-primary: #6366F1;
    --color-secondary: #14B8A6;
    --color-bg-dark: #0F0F0F;
    --color-bg-light: #F9FAFB;
    --color-surface: rgba(255, 255, 255, 0.05);
    --color-border: rgba(255, 255, 255, 0.1);
    --color-nevo-gold: #D4B07A;
  }
  
  body {
    font-family: 'Inter', sans-serif;
    background: var(--color-bg-dark);
    color: #FAFAFA;
    transition: background 0.3s, color 0.3s;
    overflow-x: hidden;
    position: relative;
  }
  
  body.light-mode {
    background: var(--color-bg-light);
    color: #1A1A1A;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  /* Dynamic SVG Background */
  .bg-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
  }
  
  .bg-shapes svg {
    width: 100%;
    height: 100%;
    position: absolute;
  }
  
  .wave {
    animation: wave 20s linear infinite;
  }
  
  @keyframes wave {
    0% { transform: translateX(0); }
    100% { transform: translateX(-1000px); }
  }
  
  /* Header */
  header {
    position: sticky;
    top: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: background 0.3s;
  }
  
  header.light-mode {
    background: rgba(245, 245, 245, 0.8);
  }
  
  .nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .nav-left {
    display: flex;
    align-items: center;
    gap: 40px;
  }
  
  .nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
  }
  
  .nav-links a {
    color: #FAFAFA;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
  }
  
  .light-mode .nav-links a {
    color: #1A1A1A;
  }
  
  .nav-links a.active {
    color: var(--color-primary);
  }
  
  .logo img {
    max-height: 32px;
  }
  
  /* Auth Buttons in Header */
  .nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .auth-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
  }
  
  .login-btn {
    background: transparent;
    border: 1px solid var(--color-nevo-gold);
    color: var(--color-nevo-gold);
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s;
  }
  
  .login-btn:hover {
    background: var(--color-nevo-gold);
    color: #1A1A1A;
    transform: translateY(-1px);
  }
  
  .signup-btn {
    background: var(--color-primary);
    color: #FAFAFA;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }
  
  .signup-btn:hover {
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
  }
  
  .mode-toggle {
    background: none;
    border: none;
    color: #FAFAFA;
    font-size: 20px;
    cursor: pointer;
    margin-left: 20px;
  }
  
  .light-mode .mode-toggle {
    color: #1A1A1A;
  }
  
  /* Hero Section */
  .hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 20px;
    position: relative;
    overflow: hidden;
  }
  
  .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/images/hero-bg.jpg') center/cover;
    z-index: -1;
  }
  
  .hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  
  .hero-text {
    flex: 1;
    text-align: left;
  }
  
  .hero-text h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
  }
  
  .hero-text p {
    font-size: 20px;
    font-weight: 300;
    margin-bottom: 30px;
    opacity: 0.8;
  }
  
  .hero-mockup {
    flex: 1;
    max-width: 500px;
    text-align: center;
    perspective: 1000px;
  }
  
  .hero-mockup img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2), 0 0 20px var(--color-secondary);
    transform: rotateY(0deg);
    transition: transform 0.3s;
  }
  
  .cta-buttons .primary-btn {
    background: var(--color-primary);
    color: #FAFAFA;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    margin-right: 10px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s;
  }
  
  .cta-buttons .primary-btn:hover {
    transform: scale(1.05);
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
  }
  
  .cta-buttons .primary-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
  }
  
  .cta-buttons .primary-btn:active::after {
    width: 100px;
    height: 100px;
  }
  
  .cta-buttons .secondary-btn {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.3s, background 0.3s;
  }
  
  .cta-buttons .secondary-btn:hover {
    transform: scale(1.05);
    background: var(--color-secondary);
    color: #FAFAFA;
  }
  
  /* New App Access Section */
  .app-access {
    padding: 60px 0;
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
  }
  
  .light-mode .app-access {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
  }
  
  .app-access-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
  }
  
  .app-access h2 {
    font-size: 32px;
    margin-bottom: 16px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .app-access p {
    font-size: 18px;
    opacity: 0.8;
    margin-bottom: 40px;
  }
  
  .app-access-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }
  
  .app-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    min-width: 200px;
    justify-content: center;
  }
  
  .app-btn.login {
    background: transparent;
    border: 2px solid var(--color-nevo-gold);
    color: var(--color-nevo-gold);
  }
  
  .app-btn.login:hover {
    background: var(--color-nevo-gold);
    color: #1A1A1A;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 176, 122, 0.3);
  }
  
  .app-btn.signup {
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    color: #FAFAFA;
    border: 2px solid transparent;
  }
  
  .app-btn.signup:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
  }
  
  .app-btn i {
    font-size: 20px;
  }
  
  /* Why NEVO Section */
  .why-nevo {
    padding: 80px 0;
    text-align: center;
    position: relative;
  }
  
  .why-nevo-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/images/why-nevo-bg.jpg') center/cover;
    z-index: -1;
  }
  
  .why-nevo h2 {
    font-size: 36px;
    margin-bottom: 20px;
  }
  
  .why-nevo p {
    font-size: 18px;
    opacity: 0.8;
    margin-bottom: 40px;
  }
  
  .cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
  
  .card {
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    padding: 20px;
    border-radius: 12px;
    transition: transform 0.3s, box-shadow 0.3s;
  }
  
  .light-mode .card {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
  }
  
  .card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  }
  
  .card i {
    font-size: 32px;
    color: var(--color-primary);
    margin-bottom: 10px;
    transition: transform 0.3s, filter 0.3s;
  }
  
  .card i:hover {
    transform: rotate(10deg);
    filter: drop-shadow(0 0 5px var(--color-secondary));
  }
  
  .card h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }
  
  .card p {
    font-size: 16px;
    opacity: 0.7;
  }
  
  /* Features Slider */
  .features {
    padding: 80px 0;
    background: var(--color-surface);
    position: relative;
  }
  
  .light-mode .features {
    background: rgba(0, 0, 0, 0.05);
  }
  
  .features-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/images/features-bg.jpg') center/cover;
    z-index: -1;
  }
  
  .features h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 40px;
  }
  
  .slider-container {
    position: relative;
  }
  
  .slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 20px;
    padding: 20px 0;
  }
  
  .feature-card {
    flex: 0 0 300px;
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    padding: 20px;
    border-radius: 12px;
    scroll-snap-align: start;
  }
  
  .light-mode .feature-card {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
  }
  
  .feature-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }
  
  .feature-card p {
    font-size: 16px;
    opacity: 0.7;
  }
  
  .slider-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
  }
  
  .slider-nav button {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: #FAFAFA;
    font-size: 24px;
    padding: 10px;
    cursor: pointer;
    border-radius: 50%;
  }
  
  .light-mode .slider-nav button {
    background: rgba(0, 0, 0, 0.05);
    color: #1A1A1A;
  }
  
  /* Pricing Section */
  .pricing {
    padding: 80px 0;
    text-align: center;
    position: relative;
  }
  
  .pricing-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/images/pricing-bg.jpg') center/cover;
    z-index: -1;
  }
  
  .pricing h2 {
    font-size: 36px;
    margin-bottom: 20px;
  }
  
  .pricing p {
    font-size: 18px;
    opacity: 0.8;
    margin-bottom: 40px;
  }
  
  .pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
  }
  
  .pricing-card {
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    padding: 30px;
    border-radius: 12px;
    transition: transform 0.3s, box-shadow 0.3s;
  }
  
  .light-mode .pricing-card {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
  }
  
  .pricing-card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  }
  
  .pricing-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
  }
  
  .pricing-card .price {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
  }
  
  .pricing-card .price span {
    font-size: 16px;
    font-weight: 300;
    opacity: 0.7;
  }
  
  .pricing-card p {
    font-size: 16px;
    opacity: 0.7;
    margin-bottom: 20px;
  }
  
  .pricing-card ul {
    list-style: none;
    margin-bottom: 20px;
    text-align: left;
  }
  
  .pricing-card ul li {
    font-size: 16px;
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
  }
  
  .pricing-card ul li:before {
    content: '\f058';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--color-primary);
    position: absolute;
    left: 0;
    top: 2px;
  }
  
  .pricing-card .cta-btn {
    background: var(--color-primary);
    color: #FAFAFA;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s;
  }
  
  .pricing-card .cta-btn:hover {
    transform: scale(1.05);
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
  }
  
  .pricing-card .cta-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
  }
  
  .pricing-card .cta-btn:active::after {
    width: 100px;
    height: 100px;
  }
  
  /* Testimonials */
  .testimonials {
    padding: 80px 0;
    text-align: center;
    background: #111111;
    position: relative;
  }
  
  .light-mode .testimonials {
    background: #E5E5E5;
  }
  
  .testimonials-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/images/testimonials-bg.jpg') center/cover;
    z-index: -1;
  }
  
  .testimonials h2 {
    font-size: 36px;
    margin-bottom: 20px;
  }
  
  .testimonials p {
    font-size: 18px;
    opacity: 0.8;
    margin-bottom: 40px;
  }
  
  .client-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
  }
  
  .client-logos img {
    height: 40px;
    filter: grayscale(100%) brightness(200%);
  }
  
  /* CTA Form */
  .cta-form {
    padding: 80px 0;
    background: #1C1C1C;
    color: #FAFAFA;
    text-align: center;
    position: relative;
  }
  
  .light-mode .cta-form {
    background: #F5F5F5;
    color: #1A1A1A;
  }
  
  .cta-form-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/images/cta-bg.jpg') center/cover;
    z-index: -1;
  }
  
  .cta-form h2 {
    font-size: 36px;
    margin-bottom: 20px;
  }
  
  .cta-form p {
    font-size: 16px;
    opacity: 0.8;
    margin-bottom: 20px;
  }
  
  .cta-form form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
  }
  
  .cta-form input,
  .cta-form select,
  .cta-form textarea {
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 16px;
    background: var(--color-surface);
    color: #FAFAFA;
    backdrop-filter: blur(20px);
  }
  
  .light-mode .cta-form input,
  .light-mode .cta-form select,
  .light-mode .cta-form textarea {
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(0, 0, 0, 0.05);
    color: #1A1A1A;
  }
  
  .cta-form button {
    background: var(--color-primary);
    color: #FAFAFA;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s;
  }
  
  .cta-form button:hover {
    transform: scale(1.05);
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
  }
  
  .cta-form button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
  }
  
  .cta-form button:active::after {
    width: 100px;
    height: 100px;
  }
  
  /* Footer */
  footer {
    padding: 40px 0;
    text-align: center;
    background: #0A0A0A;
  }
  
  .light-mode footer {
    background: #D5D5D5;
  }
  
  .footer-logo img {
    max-height: 24px;
    margin-bottom: 20px;
  }
  
  footer a {
    color: var(--color-primary);
    text-decoration: none;
    margin: 0 10px;
  }
  
  footer a:hover {
    color: var(--color-secondary);
  }
  
  footer p {
    font-size: 14px;
    opacity: 0.7;
    margin-top: 20px;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .nav-links {
      display: none;
    }
  
    .auth-buttons {
      flex-direction: column;
      gap: 8px;
    }
  
    .hero-content {
      flex-direction: column;
      text-align: center;
    }
  
    .hero-text {
      text-align: center;
    }
  
    .hero-text h1 {
      font-size: 36px;
    }
  
    .hero-text p {
      font-size: 18px;
    }
  
    .hero-mockup {
      margin-top: 20px;
      max-width: 200px;
    }
  
    .cta-buttons {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
  
    .cta-buttons .primary-btn,
    .cta-buttons .secondary-btn,
    .pricing-card .cta-btn,
    .cta-form button {
      width: 100%;
      border-radius: 12px;
      font-size: 18px;
      padding: 14px;
    }
  
    .app-access-buttons {
      flex-direction: column;
      align-items: center;
    }
  
    .app-btn {
      width: 100%;
      max-width: 300px;
    }
  
    .cards,
    .pricing-cards {
      grid-template-columns: 1fr;
      place-items: center;
    }
  
    .card,
    .pricing-card,
    .feature-card {
      max-width: 350px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }
  
    .feature-card {
      flex: 0 0 280px;
    }
  
    .slider-nav {
      display: none;
    }
  
    .hero-text h1,
    .why-nevo h2,
    .features h2,
    .pricing h2,
    .testimonials h2,
    .cta-form h2 {
      font-size: 32px;
      line-height: 1.4;
    }
  
    .hero-text p,
    .why-nevo p,
    .pricing p,
    .testimonials p {
      font-size: 16px;
      line-height: 1.6;
    }
  }