/* ===== Block 1 ===== */


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



    :root {

      --bg-primary: #ffffff;

      --bg-secondary: #fafbfe;

      --bg-dark: #0a0a1a;

      --bg-dark-card: #111127;

      --accent: #635bff;

      --accent-light: #7a73ff;

      --accent-blue: #00d4ff;

      --accent-green: #00d924;

      --gradient-accent: linear-gradient(135deg, #635bff 0%, #00d4ff 100%);

      --gradient-cta: linear-gradient(135deg, #635bff 0%, #4b83ff 100%);

      --text-primary: #0a0a1a;

      --text-secondary: #425466;

      --text-muted: #6b7c93;

      --border: rgba(0,0,0,0.06);

      --border-on-dark: rgba(255,255,255,0.06);

      --radius: 16px;

      --radius-sm: 10px;

      --radius-lg: 24px;

      --radius-full: 9999px;

      --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);

      --shadow: 0 4px 24px rgba(0,0,0,0.06);

      --shadow-lg: 0 8px 40px rgba(0,0,0,0.08);

      --shadow-glow: 0 0 60px rgba(99,91,255,0.15);

      --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

    }



    html { scroll-behavior: smooth; }



    body {

      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

      background: var(--bg-primary);

      color: var(--text-primary);

      line-height: 1.6;

      overflow-x: hidden;

    }



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

    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }



    /* ========== HEADER ========== */

    .header {

      position: fixed;

      top: 16px;

      left: 50%;

      transform: translateX(-50%);

      z-index: 1000;

      padding: 12px 32px;

      border-radius: var(--radius-full);

      background: rgba(255,255,255,0.82);

      backdrop-filter: blur(24px) saturate(1.6);

      -webkit-backdrop-filter: blur(24px) saturate(1.6);

      border: 1px solid rgba(0,0,0,0.04);

      box-shadow: 0 2px 16px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.02);

      display: flex;

      align-items: center;

      gap: 20px;

      transition: padding 0.4s var(--ease-out-expo), top 0.4s var(--ease-out-expo), opacity 0.3s ease, transform 0.4s var(--ease-out-expo);

      will-change: transform, padding, opacity;

      max-width: 1080px;

      width: calc(100% - 32px);

    }



    .header.shrink { padding: 8px 28px; }

    .header.hidden { opacity: 0; transform: translateX(-50%) translateY(-120%); }



    .brand-link { display: flex; align-items: center; gap: 0; text-decoration: none; flex-shrink: 0; }

    .brand-logo { height: 36px; width: 36px; border-radius: 8px; }

    .brand-text { font-family: 'Inter', sans-serif; font-size: 22px; font-weight: 800; letter-spacing: -0.5px; color: var(--text-primary); margin-left: 8px; }

    .brand-text .it { color: var(--accent); }



    .nav { display: flex; gap: 22px; align-items: center; flex: 1; justify-content: center; }

    .nav a { font-size: 0.88rem; font-weight: 500; color: var(--text-secondary); transition: color 0.2s; position: relative; padding: 4px 0; }

    .nav a::after { content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 2px; background: var(--accent); border-radius: 1px; transition: width 0.3s var(--ease-out-expo), left 0.3s var(--ease-out-expo); }

    .nav a:hover { color: var(--text-primary); }

    .nav a:hover::after { width: 100%; left: 0; }

    .nav-lang { display: flex; gap: 8px; align-items: center; margin-left: 4px; }

    .nav-lang a { font-size: 0.82rem; }

    .nav-lang a.active { color: var(--accent); font-weight: 600; }



    .header-cta { display: inline-flex; align-items: center; gap: 8px; padding: 9px 20px; border-radius: var(--radius-full); background: var(--gradient-cta); color: #fff; font-size: 0.85rem; font-weight: 600; transition: transform 0.2s, box-shadow 0.3s; white-space: nowrap; flex-shrink: 0; }

    .header-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(99,91,255,0.4), 0 0 40px rgba(99,91,255,0.15); }

    .header-cta svg { width: 15px; height: 15px; }

    .header-cta-portal { background: transparent !important; border: 1.5px solid rgba(0,0,0,0.1) !important; color: var(--text-secondary) !important; padding: 8px 14px !important; box-shadow: none !important; font-size: 0.82rem !important; }

    .header-cta-portal:hover { border-color: var(--accent) !important; color: var(--accent) !important; background: rgba(99,91,255,0.04) !important; box-shadow: 0 4px 20px rgba(99,91,255,0.15) !important; }



    @media (max-width: 1100px) {

      .header-cta-portal { padding: 8px 10px !important; font-size: 0 !important; }

      .header-cta-portal svg { width: 16px; height: 16px; }

    }



    .menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; margin-left: auto; }

    .menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text-primary); margin: 5px 0; transition: 0.3s; border-radius: 2px; }



    .mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); z-index: 999; flex-direction: column; align-items: center; justify-content: center; gap: 28px; }

    .mobile-overlay.active { display: flex; }

    .mobile-overlay a { font-size: 1.3rem; font-weight: 600; color: var(--text-primary); }

    .mobile-overlay .close-btn { position: absolute; top: 20px; right: 24px; background: none; border: none; color: var(--text-primary); font-size: 2rem; cursor: pointer; }



    /* ========== HERO ========== */

    .hero {

      display: flex;

      align-items: center;

      justify-content: center;

      position: relative;

      overflow: hidden;

      padding: 120px 0 80px;

    }



    .hero-dotgrid { position: absolute; inset: 0; background-image: radial-gradient(circle at 1px 1px, rgba(99,91,255,0.08) 1px, transparent 0); background-size: 32px 32px; mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 80%); -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 80%); }



    .aurora-blob { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.18; will-change: transform; }

    .aurora-blob.a1 { width: 600px; height: 600px; background: #635bff; top: -15%; left: -8%; animation: auroraFloat1 20s ease-in-out infinite; }

    .aurora-blob.a2 { width: 500px; height: 500px; background: #00d4ff; top: 15%; right: -12%; animation: auroraFloat2 26s ease-in-out infinite; }

    .aurora-blob.a3 { width: 400px; height: 400px; background: #7a73ff; bottom: -10%; left: 25%; animation: auroraFloat3 23s ease-in-out infinite; }



    @keyframes auroraFloat1 { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(60px, 40px) scale(1.1); } 66% { transform: translate(-30px, 60px) scale(0.95); } }

    @keyframes auroraFloat2 { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(-50px, 30px) scale(1.05); } 66% { transform: translate(40px, -40px) scale(1.1); } }

    @keyframes auroraFloat3 { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(40px, -50px) scale(1.1); } 66% { transform: translate(-60px, 20px) scale(0.95); } }



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



    .hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 18px; border-radius: var(--radius-full); background: rgba(255,255,255,0.8); backdrop-filter: blur(12px); border: 1px solid rgba(99,91,255,0.1); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.2px; color: var(--accent); margin-bottom: 32px; box-shadow: 0 1px 4px rgba(0,0,0,0.04); }

    .hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-green); animation: pulse 2s ease-in-out infinite; box-shadow: 0 0 8px rgba(0,217,36,0.5); }

    @keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 8px rgba(0,217,36,0.5); } 50% { opacity: 0.5; box-shadow: 0 0 16px rgba(0,217,36,0.3); } }



    .hero h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); font-weight: 900; letter-spacing: -2px; line-height: 1.08; margin-bottom: 22px; color: var(--text-primary); }

    .hero h1 .gradient { background: linear-gradient(135deg, #635bff, #00d4ff, #635bff); background-size: 200% 100%; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; animation: gradientShift 6s ease-in-out infinite; }

    @keyframes gradientShift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }



    .hero p { font-size: clamp(1rem, 2vw, 1.18rem); color: var(--text-secondary); max-width: 580px; margin: 0 auto 36px; line-height: 1.7; }

    .hero-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }



    .btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 14px 30px; border-radius: var(--radius-full); background: var(--gradient-cta); color: #fff; font-size: 1rem; font-weight: 600; transition: transform 0.2s, box-shadow 0.3s; border: none; cursor: pointer; position: relative; overflow: hidden; }

    .btn-primary::after { content: ''; position: absolute; inset: 0; border-radius: var(--radius-full); background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%), rgba(255,255,255,0.2) 0%, transparent 60%); opacity: 0; transition: opacity 0.3s; }

    .btn-primary:hover::after { opacity: 1; }

    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(99,91,255,0.4); }



    .btn-secondary { display: inline-flex; align-items: center; gap: 8px; padding: 14px 30px; border-radius: var(--radius-full); background: transparent; color: var(--text-primary); font-size: 1rem; font-weight: 600; border: 1.5px solid rgba(0,0,0,0.15); box-shadow: 0 1px 3px rgba(0,0,0,0.04); transition: border-color 0.2s, box-shadow 0.2s, background 0.2s; cursor: pointer; }

    .btn-secondary:hover { border-color: var(--accent); box-shadow: 0 2px 12px rgba(99,91,255,0.12); background: rgba(99,91,255,0.03); color: var(--accent); }



    /* ========== SECTION COMMON ========== */

    section { padding: 100px 0; }

    .section-label { display: inline-block; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 3px; color: var(--accent); margin-bottom: 14px; opacity: 0.85; }

    .section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; letter-spacing: -1.5px; margin-bottom: 14px; color: var(--text-primary); }

    .section-subtitle { font-size: 1.05rem; color: var(--text-secondary); max-width: 560px; line-height: 1.7; }

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

    .section-header.center { text-align: center; }

    .section-header.center .section-subtitle { margin: 0 auto; }



    /* ========== CHALLENGES ========== */

    .challenges { background: var(--bg-primary); position: relative; padding: 100px 0; }

    .challenges::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 200px; height: 1px; background: linear-gradient(90deg, transparent, rgba(99,91,255,0.3), transparent); }



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



    .challenge-card { background: var(--bg-primary); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; position: relative; overflow: hidden; display: flex; flex-direction: column; transition: box-shadow 0.4s, border-color 0.4s, transform 0.3s var(--ease-out-expo); }

    .challenge-card .spotlight { position: absolute; inset: 0; opacity: 0; transition: opacity 0.3s; pointer-events: none; border-radius: var(--radius); }

    .challenge-card:hover .spotlight { opacity: 1; }

    .challenge-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.08); transform: translateY(-3px); }



    .challenge-icon { width: 50px; height: 50px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: rgba(99,91,255,0.06); margin-bottom: 22px; transition: box-shadow 0.3s; }

    .challenge-card:hover .challenge-icon { box-shadow: 0 0 24px rgba(99,91,255,0.15); }

    .challenge-icon svg { width: 24px; height: 24px; stroke: var(--accent); fill: none; }

    .challenge-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); }

    .challenge-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }



    /* ========== SOLUTION ========== */

    .solution { background: var(--bg-secondary); padding: 100px 0; position: relative; }

    .solution::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 200px; height: 1px; background: linear-gradient(90deg, transparent, rgba(99,91,255,0.3), transparent); }



    .solution-card { max-width: 600px; margin: 0 auto; background: var(--bg-primary); border: 1px solid rgba(99,91,255,0.25); border-radius: var(--radius); padding: 48px; position: relative; overflow: hidden; box-shadow: 0 4px 24px rgba(99,91,255,0.08), 0 0 0 1px rgba(99,91,255,0.1); }

    .solution-card .badge-pop { position: absolute; top: 16px; right: 16px; padding: 5px 14px; border-radius: var(--radius-full); background: var(--gradient-cta); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: #fff; box-shadow: 0 2px 12px rgba(99,91,255,0.2); }

    .solution-card h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 4px; }

    .solution-card .price { font-size: 1.1rem; color: var(--accent); font-weight: 700; margin-bottom: 24px; }



    .solution-features { list-style: none; margin-bottom: 24px; }

    .solution-features li { font-size: 0.92rem; color: var(--text-secondary); padding: 7px 0; display: flex; align-items: center; gap: 10px; }

    .check-icon { color: var(--accent-green); font-size: 0.85rem; font-weight: 700; }



    .solution-note { background: rgba(99,91,255,0.04); border: 1px solid rgba(99,91,255,0.1); border-radius: var(--radius-sm); padding: 16px 20px; margin-bottom: 28px; font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }

    .solution-note strong { color: var(--accent); font-weight: 600; }



    .solution-cta { display: inline-flex; align-items: center; gap: 8px; padding: 14px 30px; border-radius: var(--radius-full); background: var(--gradient-cta); color: #fff; font-size: 1rem; font-weight: 600; transition: transform 0.2s, box-shadow 0.3s; }

    .solution-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(99,91,255,0.4); }



    /* ========== CTA FINAL ========== */

    .cta-section { padding: 100px 0; }

    .cta-box { text-align: center; background: var(--bg-dark); border-radius: var(--radius-lg); padding: 72px 48px; position: relative; overflow: hidden; }

    .cta-box::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 600px; height: 600px; background: radial-gradient(circle, rgba(99,91,255,0.1) 0%, transparent 60%); pointer-events: none; }

    .cta-box::after { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 200px; height: 1px; background: linear-gradient(90deg, transparent, rgba(99,91,255,0.5), transparent); border-radius: 0 0 4px 4px; }

    .cta-beam { position: absolute; top: 0; width: 1px; height: 100%; background: linear-gradient(180deg, transparent, rgba(99,91,255,0.1), transparent); pointer-events: none; }

    .cta-beam:nth-child(1) { left: 10%; animation: beamFloat 8s ease-in-out infinite; }

    .cta-beam:nth-child(2) { left: 30%; animation: beamFloat 10s ease-in-out infinite 1s; }

    .cta-beam:nth-child(3) { left: 50%; animation: beamFloat 7s ease-in-out infinite 2s; }

    .cta-beam:nth-child(4) { left: 70%; animation: beamFloat 9s ease-in-out infinite 0.5s; }

    .cta-beam:nth-child(5) { left: 90%; animation: beamFloat 11s ease-in-out infinite 1.5s; }

    @keyframes beamFloat { 0%, 100% { opacity: 0.15; transform: translateX(0); } 50% { opacity: 0.4; transform: translateX(10px); } }



    .cta-box h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 14px; color: #fff; letter-spacing: -0.5px; position: relative; z-index: 2; }

    .cta-box p { color: rgba(255,255,255,0.5); margin-bottom: 36px; font-size: 1.05rem; max-width: 480px; margin-left: auto; margin-right: auto; line-height: 1.7; position: relative; z-index: 2; }

    .cta-box .hero-buttons { position: relative; z-index: 2; }

    .cta-box .btn-primary { background: var(--gradient-cta); color: #fff; border: none; box-shadow: 0 4px 20px rgba(99,91,255,0.3); }

    .cta-box .btn-primary:hover { box-shadow: 0 8px 32px rgba(99,91,255,0.4); transform: translateY(-2px); }

    .cta-box .btn-secondary { border: 1.5px solid rgba(255,255,255,0.25); color: #fff; background: rgba(255,255,255,0.05); }

    .cta-box .btn-secondary:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.1); box-shadow: 0 4px 16px rgba(255,255,255,0.05); }



    /* ========== FOOTER ========== */

    .footer { background: #050510; padding: 72px 0 32px; position: relative; }

    .footer::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 300px; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent); }

    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }

    .footer-brand p { font-size: 0.85rem; color: rgba(255,255,255,0.4); margin-top: 14px; line-height: 1.7; }

    .footer-col h4 { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: rgba(255,255,255,0.35); margin-bottom: 16px; }

    .footer-col a { display: block; font-size: 0.88rem; color: rgba(255,255,255,0.5); padding: 5px 0; transition: color 0.2s, transform 0.2s; }

    .footer-col a:hover { color: rgba(255,255,255,0.9); transform: translateX(2px); }

    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: rgba(255,255,255,0.35); }



    /* ========== FLOATING CTA ========== */

    .floating-cta { display: none; position: fixed; bottom: 24px; right: 24px; z-index: 900; padding: 14px 24px; border-radius: var(--radius-full); background: var(--gradient-cta); color: #fff; font-size: 0.9rem; font-weight: 600; box-shadow: 0 4px 24px rgba(99,91,255,0.4), 0 0 40px rgba(99,91,255,0.15); gap: 8px; align-items: center; transition: transform 0.2s; border: none; cursor: pointer; }

    .floating-cta:hover { transform: scale(1.05); }



    /* ========== SCROLL REVEAL ========== */

    .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo); }

    .reveal.visible { opacity: 1; transform: translateY(0); }

    .hero .reveal { animation: heroFadeIn 0.8s var(--ease-out-expo) forwards; }

    .hero .hero-badge { animation-delay: 0.1s; }

    .hero p { animation-delay: 0.3s; }

    .hero .hero-buttons { animation-delay: 0.5s; }

    @keyframes heroFadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }



    /* ========== RESPONSIVE ========== */

    @media (max-width: 1024px) {

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

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

    }



    @media (max-width: 768px) {

      .nav, .header-cta, .nav-lang { display: none; }

      .menu-toggle { display: block; }

      .header { top: 12px; padding: 10px 20px; gap: 12px; }

      .hero { padding: 100px 0 60px; }

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

      .footer-grid { grid-template-columns: 1fr; gap: 24px; }

      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

      .floating-cta { display: inline-flex; }

      section { padding: 70px 0; }

      .cta-box { padding: 48px 24px; }

      .solution-card { padding: 32px 24px; }

    }



    @media (prefers-reduced-motion: reduce) {

      *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }

      .reveal { opacity: 1; transform: none; }

      .aurora-blob { animation: none; }

    }

  

.nav-dropdown { position: relative; }

.nav-dropdown > a { display:inline-flex; align-items:center; gap:4px; }





.nav-dropdown-menu { display:none; position:absolute; top:100%; left:50%; transform:translateX(-50%); padding-top:12px; z-index:100; }

.nav-dropdown:hover .nav-dropdown-menu { display:block; }

.nav-dropdown-menu ul { list-style:none; background:rgba(15,15,30,0.95); backdrop-filter:blur(20px); border:1px solid rgba(255,255,255,0.08); border-radius:12px; padding:8px 0; min-width:200px; box-shadow:0 12px 40px rgba(0,0,0,0.5); }

.nav-dropdown-menu li a { display:block; padding:10px 20px; font-size:0.85rem; color:rgba(255,255,255,0.7); transition:all 0.15s; }

.nav-dropdown-menu li a:hover { color:#fff; background:rgba(255,255,255,0.06); }

.nav-nis2 { position:relative; }

.nav-nis2::after { content:''; position:absolute; top:-2px; right:-8px; width:6px; height:6px; background:#ff4444; border-radius:50%; }