/* ============================================================
    AH VERTEX SOLUTION — Main Stylesheet
    Same theme as reference: Dark, Gradient, Modern IT Company
  ============================================================ */
  html,
  body {
    overflow-x: hidden;
  }

  body.menu-open {
    overflow: hidden;
    height: 100vh;
    touch-action: none;
    /* 🔥 iPhone scroll block */
  }

  :root {
    --primary: #6366f1;
    --secondary: #06b6d4;
    --accent: #a78bfa;
    --dark: #0f172a;
    --dark2: #111827;
    --dark3: #1e293b;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(255, 255, 255, 0.04);
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-text: linear-gradient(to right, var(--primary), var(--secondary));
    --radius: 16px;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  }

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

  html {
    scroll-behavior: smooth;
    font-size: 16px;
  }

  body {
    font-family: 'Poppins', sans-serif;
    background: var(--dark);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.7;
  }

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

  img {
    max-width: 100%;
    display: block;
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    /* 24 → 20 kar de */
    overflow: hidden;
  }

  section {
    padding: 100px 0;
  }

  .gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* ============================================================
    PRELOADER
  ============================================================ */
  .preloader {
    position: fixed;
    inset: 0;
    background: var(--dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
  }

  .preloader.hidden {
    opacity: 0;
    visibility: hidden;
  }

  .loader-ring {
    display: inline-block;
    position: relative;
    width: 64px;
    height: 64px;
  }

  .loader-ring div {
    box-sizing: border-box;
    display: block;
    position: absolute;
    width: 52px;
    height: 52px;
    margin: 6px;
    border: 4px solid transparent;
    border-radius: 50%;
    animation: loader-spin 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    border-color: var(--primary) transparent transparent transparent;
  }

  .loader-ring div:nth-child(1) {
    animation-delay: -0.45s;
  }

  .loader-ring div:nth-child(2) {
    animation-delay: -0.3s;
  }

  .loader-ring div:nth-child(3) {
    animation-delay: -0.15s;
  }

  @keyframes loader-spin {
    0% {
      transform: rotate(0deg);
    }

    100% {
      transform: rotate(360deg);
    }
  }

  .loader-text {
    margin-top: 20px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
  }

  /* ============================================================
    NAVBAR
  ============================================================ */
  nav {
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;
    height: auto;

    z-index: 9999;
    /* 🔥 high so never hide */

    padding: 18px 0;

    background: transparent;

    transition: all 0.3s ease;

    /* 🔥 IMPORTANT FIXES */
    transform: translateZ(0);
    /* prevent iOS glitch */
    -webkit-transform: translateZ(0);

    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }

  nav.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);

    padding: 12px 0;

    border-bottom: 1px solid var(--border);

    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);

    transform: translateZ(0);
    /* 🔥 fix flicker */
  }

  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-container {
    display: flex;
    align-items: center;
  }

  @media (max-width: 768px) {

    .nav-container {
      display: flex;
      align-items: center;
    }

    .menu-toggle {
      order: 1;
    }

    .logo {
      order: 2;
      margin-left: auto;
    }

  }

  .logo {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
    white-space: nowrap;
  }

  .logo-ah {
    color: var(--primary);
  }

  .logo-vertex {
    color: white;
  }

  .logo-sol {
    color: var(--secondary);
  }

  .nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    height: auto;
    /* 🔥 full height fix */
  }

  .nav-link {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    transition: all 0.3s;
  }

  .nav-link:hover,
  .nav-link.active {
    color: white;
    background: var(--card-bg);
  }

  .menu-toggle {
    display: none;

    width: 44px;
    height: 44px;

    align-items: center;
    justify-content: center;

    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);

    border-radius: 10px;
    cursor: pointer;

    transition: all 0.3s ease;
  }

  /* hover */
  .menu-toggle:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--primary);
  }

  .menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s;
  }

  /* ============================================================
    BUTTONS
  ============================================================ */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-decoration: none;
  }

  .btn-primary {
    background: var(--gradient);
    color: white;
  }

  .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.45);
  }

  .btn-outline {
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255, 255, 255, 0.25);
  }

  .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
  }

  .btn-white {
    background: white;
    color: var(--dark);
  }

  .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(255, 255, 255, 0.2);
  }

  .btn-full {
    width: 100%;
    justify-content: center;
  }

  /* ============================================================
    SECTION COMMON
  ============================================================ */
  .section-tag {
    display: inline-block;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--primary);
    padding: 5px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
  }

  .section-title {
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
  }

  .section-subtitle {
    color: var(--muted);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
  }

  .section-header {
    text-align: center;
    margin-bottom: 60px;
  }

  /* ============================================================
    HERO
  ============================================================ */
  .hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 90px;
    overflow: hidden;
    /* max-width: 100vw; */
    /* 🔥 FIX */
    background: linear-gradient(160deg, #0d1526 0%, #0f172a 40%, #0a1628 100%);
  }

  .hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  }

  .hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    max-width: 100%;
  }

  .particle {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0;
    animation: float-particle linear infinite;
  }

  @keyframes float-particle {
    0% {
      transform: translateY(100vh) scale(0);
      opacity: 0;
    }

    10% {
      opacity: 0.6;
    }

    90% {
      opacity: 0.6;
    }

    100% {
      transform: translateY(-100px) scale(1);
      opacity: 0;
    }
  }

  .hero-container {
    position: relative;
    z-index: 2;
  }

  .hero-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    color: #a5b4fc;
    padding: 7px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 30px;
  }

  .hero-title {
    font-size: clamp(40px, 7vw, 80px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: white;
  }

  .hero-subtitle {
    font-size: clamp(15px, 2vw, 18px);
    color: var(--muted);
    max-width: 600px;
    margin: 0 auto 40px;
  }

  .hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
  }

  .hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
  }

  .stat-item {
    display: flex;
    flex-direction: column;
  }

  .stat-num {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .stat-label {
    font-size: 13px;
    color: var(--muted);
  }

  .stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
  }

  .hero-scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
  }

  .scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scroll-anim 1.5s infinite;
  }

  @keyframes scroll-anim {

    0%,
    100% {
      opacity: 1;
      height: 40px;
    }

    50% {
      opacity: 0.3;
      height: 20px;
    }
  }

  /* ============================================================
    TICKER
  ============================================================ */
  .ticker-wrap {
    overflow: hidden;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    padding: 12px 0;
    white-space: nowrap;
  }

  .ticker {
    display: inline-flex;
    gap: 30px;
    animation: ticker-move 30s linear infinite;
    font-size: 14px;
    font-weight: 600;
    color: white;
  }

  .ticker .sep {
    color: rgba(255, 255, 255, 0.5);
  }

  @keyframes ticker-move {
    0% {
      transform: translateX(0);
    }

    100% {
      transform: translateX(-50%);
    }
  }

  /* ============================================================
    ABOUT
  ============================================================ */
  .about {
    background: var(--dark2);
  }

  .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }

  .about-left p {
    color: var(--muted);
    margin-bottom: 16px;
  }

  .about-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .about-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 22px;
    transition: all 0.3s;
  }

  .about-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.15);
  }

  .about-card.full-width {
    grid-column: 1 / -1;
  }

  .about-card-icon {
    width: 44px;
    height: 44px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 14px;
  }

  .about-card h3 {
    font-size: 16px;
    margin-bottom: 10px;
  }

  .about-card p {
    font-size: 14px;
    color: var(--muted);
  }

  .values-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
  }

  .values-list span {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 13px;
    color: #a5b4fc;
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .values-list span i {
    font-size: 10px;
  }

  /* ============================================================
    SERVICES
  ============================================================ */
  .services {
    background: var(--dark);
  }

  .service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .service-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
  }

  .service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 0;
  }

  .service-card:hover {
    transform: translateY(-8px);
    border-color: transparent;
    box-shadow: 0 24px 50px rgba(99, 102, 241, 0.3);
  }

  .service-card:hover::before {
    opacity: 0.08;
  }

  .service-card>* {
    position: relative;
    z-index: 1;
  }

  .service-icon-wrap {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 20px;
    transition: all 0.3s;
  }

  .service-card:hover .service-icon-wrap {
    background: var(--gradient);
    color: white;
  }

  .service-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
  }

  .service-card p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
  }

  .service-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
  }

  .service-tags span {
    font-size: 12px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
    padding: 3px 12px;
    border-radius: 50px;
  }

  /* ============================================================
    INDUSTRIES
  ============================================================ */
  .industries {
    background: var(--dark2);
    padding: 80px 0;
  }

  .industry-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
  }

  .industry-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    cursor: default;
  }

  .industry-item i {
    color: var(--secondary);
    font-size: 16px;
  }

  .industry-item:hover {
    border-color: var(--secondary);
    color: var(--secondary);
    transform: translateY(-3px);
  }

  /* ============================================================
    WORKFLOW
  ============================================================ */
  .workflow {
    background: var(--dark);
  }

  .workflow-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
  }

  .workflow-steps::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    opacity: 0.3;
  }

  .workflow-step {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    padding: 30px 0;
    padding-left: 30px;
  }

  .step-num {
    min-width: 70px;
    height: 70px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: white;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
  }

  .step-content {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 30px;
    flex: 1;
    transition: all 0.3s;
  }

  .step-content:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.1);
  }

  .step-icon {
    font-size: 24px;
    color: var(--secondary);
    margin-bottom: 10px;
  }

  .step-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
  }

  .step-content p {
    color: var(--muted);
    font-size: 14px;
  }

  /* ============================================================
    TECHNOLOGIES
  ============================================================ */
  .tech-section {
    background: var(--dark2);
    padding: 80px 0;
  }

  .tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
  }

  .tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    min-width: 90px;
    transition: all 0.3s;
  }

  .tech-item i {
    font-size: 34px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .tech-item span {
    font-size: 12px;
    color: var(--muted);
    font-weight: 500;
  }

  .tech-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.2);
  }

  /* ============================================================
    TESTIMONIALS
  ============================================================ */
  .testimonials {
    background: var(--dark);
  }

  .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .testimonial-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 34px 30px;
    transition: all 0.3s;
    position: relative;
  }

  .testimonial-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  }

  .quote-icon {
    font-size: 28px;
    color: var(--primary);
    opacity: 0.4;
    margin-bottom: 16px;
  }

  .testimonial-card>p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
  }

  .testimonial-footer {
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .reviewer-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
  }

  .testimonial-footer>div:nth-child(3) {
    margin-left: auto;
  }

  .stars {
    color: #fbbf24;
    font-size: 14px;
    white-space: nowrap;
  }

  .stars em {
    color: var(--muted);
    font-style: normal;
    font-size: 13px;
  }

  .testimonial-footer strong {
    display: block;
    font-size: 15px;
  }

  .testimonial-footer span {
    font-size: 13px;
    color: var(--muted);
  }

  /* ============================================================
    CTA
  ============================================================ */
  .cta-section {
    background: var(--dark2);
    padding: 80px 0;
  }

  .cta-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 24px;
    padding: 70px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .cta-glow {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.25), transparent 70%);
    pointer-events: none;
  }

  .cta-box h2 {
    font-size: clamp(24px, 3vw, 40px);
    margin-bottom: 16px;
  }

  .cta-box p {
    color: var(--muted);
    margin-bottom: 32px;
    font-size: 17px;
  }

  /* ============================================================
    CONTACT
  ============================================================ */
  .contact {
    background: var(--dark);
  }

  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
  }

  .contact-info p {
    color: var(--muted);
    margin-bottom: 32px;
  }

  .contact-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
  }

  .contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
    flex-shrink: 0;
  }

  .contact-item strong {
    display: block;
    font-size: 14px;
    margin-bottom: 2px;
  }

  .contact-item a,
  .contact-item span {
    font-size: 14px;
    color: var(--muted);
    transition: color 0.3s;
  }

  .contact-item a:hover {
    color: var(--secondary);
  }

  .social-links {
    display: flex;
    gap: 12px;
  }

  .social-btn {
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--muted);
    transition: all 0.3s;
  }

  .social-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
  }

  .contact-form-wrap {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
  }

  .contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
  }

  .form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: 0.5px;
  }

  .form-group input,
  .form-group textarea {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 13px 16px;
    color: white;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    transition: all 0.3s;
    resize: vertical;
  }

  .form-group input:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.06);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  }

  .form-group input::placeholder,
  .form-group textarea::placeholder {
    color: rgba(148, 163, 184, 0.5);
  }

  /* ============================================================
    FOOTER
  ============================================================ */
  footer {
    background: #080e1c;
    padding: 70px 0 0;
    border-top: 1px solid var(--border);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 50px;
  }

  .footer-brand p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
    max-width: 280px;
  }

  .footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
  }

  .footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .footer-col a {
    font-size: 14px;
    color: var(--muted);
    transition: color 0.3s;
  }

  .footer-col a:hover {
    color: var(--secondary);
  }

  .footer-bottom {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
  }

  .footer-bottom p {
    color: var(--muted);
    font-size: 14px;
  }

  .footer-bottom-links {
    display: flex;
    gap: 20px;
  }

  .footer-bottom-links a {
    font-size: 14px;
    color: var(--muted);
    transition: color 0.3s;
  }

  .footer-bottom-links a:hover {
    color: white;
  }

  @media (max-width: 768px) {
    .menu-toggle {
      display: flex;
    }
  }

  /* ============================================================
    BACK TO TOP
  ============================================================ */
  .back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--gradient);
    border: none;
    color: white;
    font-size: 16px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .back-to-top.visible {
    opacity: 1;
    visibility: visible;
  }

  .back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.5);
  }

  /* ============================================================
    RESPONSIVE — TABLET (max-width: 900px)
  ============================================================ */
  @media (max-width: 900px) {
    .service-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .about-grid,
    .contact-grid {
      grid-template-columns: 1fr;
      gap: 40px;
    }

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

    .about-cards {
      grid-template-columns: 1fr 1fr;
    }
  }

  /* ============================================================
    RESPONSIVE — MOBILE (max-width: 768px)
  ============================================================ */
  @media (max-width: 768px) {

    section {
      padding: 70px 0;
    }

    /* 🔥 SIDEBAR FIX (LEFT SLIDE PROPER) */
    .nav-links {
      position: fixed;
      top: 0;
      left: 0;
      height: 100vh;
      /* 🔥 FULL HEIGHT */
      width: 270px;

      background: #0f172a;
      /* clean solid bg */

      display: flex;
      flex-direction: column;

      padding: 80px 20px 20px;

      transform: translateX(-100%);
      transition: transform 0.35s ease;

      border-right: 1px solid var(--border);
      z-index: 999;

      overflow-y: auto;
      /* scroll if needed */
    }

    .nav-links.open {
      transform: translateX(0);
    }



    /* 🔥 OVERLAY FIX */
    .nav-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.6);

      opacity: 0;
      visibility: hidden;

      transition: 0.3s ease;
      z-index: 840;
    }

    .nav-overlay.open {
      opacity: 1;
      visibility: visible;
    }

    /* 🔥 MENU ITEMS FIX */
    .nav-link {
      width: 100%;
      text-align: left;
      /* ✅ LEFT TEXT */

      padding: 14px 16px;
      font-size: 16px;

      border-radius: 10px;
      transition: all 0.3s ease;
    }

    .nav-links li {
      width: 100%;
      margin-bottom: 8px;
      margin-left: 70px;
      margin-top: 30px;
    }

    /* 🔥 SHOW MENU BUTTON */
    .menu-toggle {
      display: flex;
    }

    /* Hero */
    .hero-title {
      font-size: 36px;
    }

    .hero-stats {
      gap: 20px;
    }

    .stat-num {
      font-size: 28px;
    }

    .stat-divider {
      height: 30px;
    }

    /* Services */
    .service-grid {
      grid-template-columns: 1fr;
    }

    /* About cards */
    .about-cards {
      grid-template-columns: 1fr;
    }

    /* Testimonials */
    .testimonial-grid {
      grid-template-columns: 1fr;
    }

    /* Contact form */
    .contact-form .form-row {
      grid-template-columns: 1fr;
    }

    .contact-form-wrap {
      padding: 24px;
    }

    /* Footer */
    .footer-grid {
      grid-template-columns: 1fr;
    }

    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }

    /* Workflow line */
    .workflow-steps::before {
      left: 35px;
    }

    .workflow-step {
      padding-left: 10px;
    }

    .step-num {
      min-width: 54px;
      height: 54px;
      font-size: 15px;
    }

    /* CTA */
    .cta-box {
      padding: 40px 24px;
    }
  }

  @media (max-width: 480px) {
    .hero-btns {
      flex-direction: column;
      align-items: center;
    }

    .btn {
      width: 100%;
      justify-content: center;
    }

    .hero-stats {
      flex-direction: column;
      gap: 16px;
    }

    .stat-divider {
      width: 60px;
      height: 1px;
    }

    .contact-form-wrap {
      padding: 20px;
    }

    .tech-grid {
      gap: 12px;
    }

    .tech-item {
      min-width: 75px;
      padding: 18px 14px;
    }
  }

  * {
    max-width: 100%;
  }


  /* Rohit added ceo section css here: 05May2026 */
  .ceo-section {
    display: flex;
    justify-content: center;
    margin-top: 80px;
  }

  .ceo-card {
    max-width: 700px;
    width: 100%;
    text-align: center;

    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 20px;

    padding: 40px 30px;

    backdrop-filter: blur(12px);
    transition: 0.3s ease;
  }

  .ceo-card:hover {
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(99, 102, 241, 0.2);
    transform: translateY(-5px);
  }

  .ceo-img {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
  }

  .ceo-img img {
    width: 220px;
    height: 220px;
    object-fit: cover;
    border-radius: 50%;

    border: 4px solid transparent;

    background:
      linear-gradient(#000, #000) padding-box,
      linear-gradient(135deg, #6366f1, #06b6d4) border-box;

    box-shadow:
      0 10px 30px rgba(99, 102, 241, 0.35);

    transition: all 0.4s ease;
  }

  .ceo-img img:hover {
    transform: scale(1.04);
    box-shadow:
      0 20px 45px rgba(99, 102, 241, 0.45);
  }

  .ceo-content h3 {
    font-size: 26px;
    margin-bottom: 6px;
  }

  .ceo-role {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 18px;
    display: block;
  }

  .ceo-content p {
    font-size: 15px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 10px;
  }

  .team-section {
    background: var(--dark);
    padding: 100px 0;
  }