:root {
  --bg-main: #0b1220;
  --bg-card: #1f2937;
  --text-main: #ffffff;
  --text-soft: #9ca3af;
  --border-soft: rgba(255, 255, 255, 0.18);
  --button-bg: #ffffff;
  --button-text: #0b1220;
}

body.light-mode {
  --bg-main: #f3f6fb;
  --bg-card: #fcfcfd; 
  --text-main: #111827;
  --text-soft: #4b5563;
  --border-soft: rgba(17, 24, 39, 0.08);  
  --button-bg: #111827;
  --button-text: #ffffff;
}

html {
  scroll-behavior: smooth;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial, sans-serif;
    background: var(--bg-main);
    color: var(--text-main);
  }
  #hero-title {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFade 0.8s ease forwards;
    max-width: 520px;
  }
  
  @keyframes heroFade {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .hero {
    min-height: auto;
    padding: 80px 40px 40px;
    max-width: none;
  }
  
  .eyebrow {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-soft);
    margin-bottom: 20px;
  }
  
  h1 {
    font-size: 4rem;
    line-height: 1.08;
    margin-bottom: 24px;
    max-width: 14ch;
  }
  
  .hero-text {
    font-size: 1.2rem;
    line-height: 1.7;
    max-width: 700px;
    color: var(--text-soft);
    margin-bottom: 32px;
  }
  
  .hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #ffffff 0%, #e5e7eb 100%);
    color: #0b1220;
    text-decoration: none;
    padding: 14px 26px;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 0.01em;
    border: 1px solid rgba(255, 255, 255, 0.65);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.20);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  }
  
  
  .btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-soft);
    box-shadow: none;
  }
  
  .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
  }
  
  .btn-secondary:hover {
    opacity: 0.9;
  }
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    width: 100%;
    }
  
    .logo {
      display: inline-flex;
      align-items: center;
    }
    
    .logo img {
      height: 88px;
      max-width: 220px;
      width: auto;
      display: block;
    }
    
    .logo-dark {      
      display: block;
    }    
    .logo-light {
      display: none !important;
    }
    body.light-mode .logo-dark {
      display: none;
    }
    
    body.light-mode .logo-light {
      display: block !important;
    }
    
    .logo::before {
      bottom: 2px;
    }
    
    .logo::after {
      bottom: -2px;
    }
    
    .logo:hover::before,
    .logo:hover::after {
      transform: scaleX(1);
    }
  
  
  .nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: nowrap;
    margin-left: auto;
  }
  
  .nav-links a,
  .nav-links .lang-switch {    
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    position: relative;
    padding: 8px 0;
    transition: opacity 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    flex: 0 0 auto;
  }
  
  .nav-links a::before,
.nav-links a::after,
.nav-links .lang-switch::before,
.nav-links .lang-switch::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: currentColor;    
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
    pointer-events: none;
  }
  
  .nav-links a::before {
    bottom: 2px;
  }
  
  .nav-links a::after {
    bottom: -2px;
  }
  
  .nav-links a:hover {
    opacity: 0.85;
  }
  
  .nav-links a:hover::before,
  .nav-links a:hover::after {
    transform: scaleX(1);
  }


  .services {
    padding: 48px 40px;
  }
  
  .section-label {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #9ca3af;
    margin-bottom: 16px;
  }
  
  .services h2 {
    font-size: 2.5rem;
    margin-bottom: 32px;
  }
  
  .service-cards {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
  }
  
  .card {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
    padding: 32px;
    border-radius: 24px;
    flex: 1;
    min-width: 250px;
  }
  
  .card h3 {
    font-size: 1.35rem;
    margin-bottom: 14px;
    color: var(--text-main);    
    letter-spacing: -0.01em;
  }
  
  .card p {
    color: var(--text-soft);    
    line-height: 1.7;
  }

  .portfolio {
    padding: 48px 40px;
  }
  
  .portfolio h2 {
    font-size: 2.5rem;
    margin-bottom: 32px;
  }
  .portfolio .services-intro {
    margin-bottom: 40px;
  }
  
  .portfolio-grid {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
  }
  
  .project-card {
    background-color: var(--bg-card);    
    padding: 28px;
    border-radius: 16px;
    flex: 1;
    min-width: 250px;
  }
  
  .project-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-main); 
  }
  
  .project-card p {
    color: var(--text-soft);    
    line-height: 1.6;
  }
  .project-card .btn {
    margin-top: 14px;
  }
  .card,
  .project-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .card:hover,
  .project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
  }
 

  .contact {
    padding: 24px 40px 40px;
  }
  
  .contact-me {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: stretch;
  }
  
  .contact-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 20px;
    display: block;
    min-height: 260px;
    }
  
  .contact-form-wrap {
    background-color: var(--bg-card);    
    border-radius: 20px;
    padding: 28px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    border: 1px solid transparent;
    position: relative;
overflow: hidden;
isolation: isolate;
  }
  .contact-form-wrap:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  }
 
  


 
 
  .contact-form-wrap h2 {
    font-size: 2.4rem;
    margin-bottom: 18px;
  }
  
  .contact-text {
    color: var(--text-soft);    
    line-height: 1.7;
    margin-bottom: 28px;
    max-width: 560px;
  }
  
  .contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  
  .contact-form input,
  .contact-form textarea {
    width: 100%;
    padding: 16px 18px;
    border: 1px solid #374151;
    border-radius: 12px;
    background-color: #ffffff;    
    color: var(--text-main);    
    font-size: 1rem;
  }
  
  .contact-form textarea {
    min-height: 90px;
    resize: vertical;
  }
  
  .contact-form input::placeholder,
  .contact-form textarea::placeholder {
    color: #9ca3af;
  }
  
  .contact-form .btn {
    width: fit-content;
    margin-top: 8px;
    padding: 14px 24px;
    font-size: 1rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
  }

  
  @media (max-width: 900px) {
    .contact-me {
      grid-template-columns: 1fr;
    }
  
    .contact-image img {
      min-height: 320px;
    }
  
    .contact-form-wrap {
      padding: 28px;
    }
  }

  @keyframes spinBorder {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
  }
  .footer {
    padding: 120px 40px 40px;
    color: #9ca3af;
    font-size: 0.95rem;
  }
  .services-note {
    margin-top: 18px;
    color: var(--text-main);    
    font-size: 0.98rem;
  }
  .services-cta {
    margin-top: 28px;
  }  

  .pricing-section {
    padding: 72px 40px 40px;
    }

  .pricing-section h2 {
    margin-bottom: 12px;
  }
  
  .pricing-section .services-intro {
    margin-bottom: 90px;
    color: var(--text-soft);
  }
    .pricing-section > .section-label,
    .pricing-section > h2,
    .pricing-section > .services-intro {
      text-align: center;
      align-self: center;
    } 
  
  
  .pricing-section .service-cards {
    margin-bottom: 28px;
  }
  
  .pricing-section .services-note {
    margin-top: 10px;
    margin-bottom: 28px;
  }
  
  .pricing-section .services-cta {
    margin-bottom: 40px;
  }

  .pricing-section .footer {
    padding-top: 20px;
  }
  .pricing-group {
    margin-bottom: 48px;
  }
  
  .pricing-group-title {
    font-size: 1.5rem;
    margin-bottom: 10px;
  }
  
  .pricing-group-text {
    color: var(--text-soft);
    margin-bottom: 20px;
    max-width: 700px;
  }
  .pricing-policies {
    margin-top: 36px;
  }
  
  .pricing-policies .services-note {
    font-size: 1rem;
    color: var(--text-soft);
    line-height: 1.7;
    margin-bottom: 18px;
    max-width: 900px;
  }
  .nav-links a.active {
    color: #0b1220;
    background: #ffffff;
    font-weight: 700;
    padding: 8px 14px;
    border-radius: 999px;
  }

  .lang-switch {
    margin-left: 8px;
    padding: 6px 10px;
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 700;
  }
  
  .lang-switch.active {
    background: #ffffff;
    color: #0b1220;
  }

  .theme-toggle {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-soft);    
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  }
  
  .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.32);
    transform: translateY(-1px);
  }

  .project-testimonial {
    margin: 20px 0 24px;
    padding: 16px 18px;
    border-left: 3px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
  }
  
  .testimonial-label {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 10px;
  }
  
  .testimonial-text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 10px;
  }
  
  .testimonial-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
    margin: 0;
  }

  .about-section {
    padding: 40px 32px 20px;
    max-width: 900px;
  }
  
  .about-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-soft);
    max-width: 820px;
  }

  .project-card {
    margin-bottom: 32px;
  }
  
  .project-card .testimonial-text {
    max-width: 1000px;
    line-height: 1.8;
  }

  .portfolio-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }