:root {
            --white: #FFFFFF;
            --off-white: #F7F7F7;
            --black: #0A0A0A;
            --gray-100: #F5F5F5;
            --gray-200: #E8E8E8;
            --gray-300: #D1D1D1;
            --gray-400: #A0A0A0;
            --gray-500: #6E6E6E;
            --gray-600: #4A4A4A;
            --font-heading: 'Urbanist', sans-serif;
            --font-body: 'Google Sans', 'Urbanist', sans-serif;
            --ease: cubic-bezier(0.16, 1, 0.3, 1);
            --radius-sm: 12px;
            --radius-pill: 100px;
        }

        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
            /* --- ACCESSIBILITY --- */
    :focus-visible { outline: 2px solid var(--black); outline-offset: 4px; }

    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body { font-family: var(--font-body); background: var(--white); color: var(--black); line-height: 1.6; overflow-x: hidden; }
        a { text-decoration: none; color: inherit; }
        
        /* ── Navigation ── */
        .nav {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(24px);
            border-bottom: 1px solid var(--gray-200);
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 48px;
        }
        .nav-left { width: 200px; display: flex; align-items: center; }
        .nav-logo { position: absolute; left: 50%; transform: translateX(-50%); font-weight: 800; font-size: 11px; letter-spacing: 0.32em; font-family: var(--font-heading); }
        .nav-right { width: 200px; display: flex; justify-content: flex-end; gap: 24px; align-items: center; }
        .nav-link { font-size: 14px; font-weight: 500; transition: opacity 0.2s; }
        .nav-link:hover { opacity: 0.6; }

        @media (max-width: 1024px) {
            .nav { padding: 0 24px; }
            .nav-left { display: none; }
            .nav-logo { left: 24px; transform: none; }
            .nav-right { width: auto; gap: 16px; margin-left: auto; }
        }

        /* ── Hero Section ── */
        .hero {
            padding: 180px 48px 100px;
            text-align: center;
            background: var(--off-white);
            border-bottom: 1px solid var(--gray-100);
            position: relative;
            overflow: hidden;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: clamp(48px, 6vw, 80px);
            font-weight: 700;
            letter-spacing: -2.5px;
            line-height: 1.05;
            max-width: 900px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 2;
        }
        .hero-desc {
            font-size: 20px;
            color: var(--gray-600);
            max-width: 700px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        /* ── Content Grid ── */
        .content-section {
            padding: 120px 48px;
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr;
            gap: 80px;
        }

        .text-block { max-width: 800px; margin: 0 auto; text-align: center; }
        .text-block h2 {
            font-family: var(--font-heading);
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 700;
            letter-spacing: -1.5px;
            margin-bottom: 24px;
        }
        .text-block p {
            font-size: 18px;
            color: var(--gray-600);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .highlight {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 600;
            letter-spacing: -1px;
            text-align: center;
            max-width: 800px;
            margin: 80px auto;
            padding: 48px;
            border-left: 2px solid var(--black);
            border-right: 2px solid var(--black);
            background: var(--off-white);
        }

        /* ── Final CTA ── */
        .final-cta {
            background: var(--black);
            color: var(--white);
            text-align: center;
            padding: 120px 48px;
        }
        .final-cta h2 {
            font-family: var(--font-heading);
            font-size: clamp(36px, 5vw, 64px);
            font-weight: 700;
            letter-spacing: -1.5px;
            margin-bottom: 32px;
        }
        .final-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--white);
            color: var(--black);
            padding: 16px 40px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 16px;
            transition: transform 0.2s;
        }
        .final-cta-btn:hover { transform: translateY(-2px); }

        /* ── Footer ── */
        .footer {
            border-top: 1px solid var(--gray-200);
            padding: 60px 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }
        .footer-logo {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 10px;
            letter-spacing: 0.3em;
            text-transform: uppercase;
        }
        .footer-links {
            display: flex;
            gap: 24px;
            font-size: 13px;
            color: var(--gray-600);
        }
        .footer-links a:hover { color: var(--black); text-decoration: underline; text-underline-offset: 4px; }
        .footer-copy {
            font-size: 12px;
            color: var(--gray-400);
        }
        
        @media (max-width: 768px) {
            .hero { padding: 140px 24px 80px; }
            .content-section { padding: 80px 24px; gap: 60px; }
            .highlight { font-size: 24px; padding: 32px 24px; margin: 60px auto; }
            .footer { padding: 48px 24px; flex-direction: column; align-items: flex-start; }
            .footer-links { flex-wrap: wrap; }
        }
    
        .lang-switcher {
            display: flex;
            gap: 6px;
        }

        .lang-btn {
            background: none;
            font-size: 12px;
            font-weight: 600;
            color: var(--muted);
            padding: 4px 8px;
            border-radius: 6px;
            text-decoration: none;
            transition: all .2s;
        }

        .lang-btn:hover,
        .lang-btn.active {
            background: var(--off-white);
            color: var(--black);
        }

    
    /* Back Button Style */
    .back-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        color: var(--black, #000);
        background: transparent;
        border: none;
        cursor: pointer;
        transition: all 0.2s;
        margin-right: 12px;
        z-index: 1001;
    }
    .back-btn:hover {
        background: rgba(0,0,0,0.05);
    }
    .back-btn svg {
        width: 20px;
        height: 20px;
    }

    
    /* Beautiful Scrollbar */
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }
    ::-webkit-scrollbar-track {
        background: #f9f9f9;
        border-radius: 10px;
    }
    ::-webkit-scrollbar-thumb {
        background: #d1d1d1;
        border-radius: 10px;
        border: 2px solid #f9f9f9;
        transition: all 0.3s ease;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: #000;
    }
    html {
        scroll-behavior: smooth;
    }

    
    /* ═══════════════════════════════════
       MOBILE RESPONSIVE — Global Block
       Targets: 768px and below
    ═══════════════════════════════════ */

    /* NAV: Global Mobile */
    @media (max-width: 768px) {
      .nav {
        padding: 0 20px !important;
        height: 52px !important;
      }
      .nav-logo, .nav-logo-line {
        font-size: 10px !important;
        letter-spacing: 0.25em !important;
      }
      .nav-right .lang-switcher {
        display: none !important;
      }
      .nav-right .nav-link:not(:last-child) {
        display: none !important;
      }
    }

    /* HERO: index.html */
    @media (max-width: 768px) {
      .hero {
        padding: 80px 24px 60px !important;
        text-align: center !important;
      }
      .hero h1 {
        font-size: clamp(44px, 12vw, 80px) !important;
        letter-spacing: -2px !important;
      }
      .hero-sub {
        font-size: 16px !important;
        max-width: 100% !important;
      }
      .hero-cta {
        width: 100% !important;
        justify-content: center !important;
        padding: 16px 24px !important;
      }
      .hero-letters { opacity: 0.4 !important; }
    }

    /* PRODUCT PAGES: Feature Sections */
    @media (max-width: 768px) {
      .feat-inner {
        flex-direction: column !important;
        gap: 32px !important;
        padding: 48px 24px !important;
      }
      .feat-hl {
        font-size: clamp(30px, 9vw, 52px) !important;
        letter-spacing: -1px !important;
      }
      .feat-body {
        font-size: 16px !important;
      }
      .feat-visual-box {
        width: 100% !important;
        max-width: 100% !important;
      }
      .feat-phone, .feat-phone-img {
        width: 100% !important;
        max-width: 280px !important;
        margin: 0 auto !important;
      }
    }

    /* WHO WE SERVE / Serve Grid */
    @media (max-width: 768px) {
      .serve-section { padding: 60px 24px !important; }
      .serve-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
      }
      .serve-intro h2 {
        font-size: clamp(28px, 8vw, 42px) !important;
      }
    }

    /* STATEMENT */
    @media (max-width: 768px) {
      .statement {
        padding: 60px 24px !important;
        font-size: clamp(22px, 7vw, 36px) !important;
      }
      .statement h2 {
        font-size: clamp(22px, 7vw, 36px) !important;
      }
    }

    /* PRICING PAGES */
    @media (max-width: 768px) {
      .pricing-grid, .plans-grid {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
      }
      .pricing-card, .plan-card {
        padding: 32px 24px !important;
      }
      .gateway-card {
        padding: 40px 24px !important;
      }
      .gateway-card h2 {
        font-size: clamp(28px, 8vw, 48px) !important;
      }
    }

    /* BLOG GRID */
    @media (max-width: 768px) {
      .blog-grid, .posts-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
      }
      .blog-hero, .blog-header {
        padding: 60px 24px 32px !important;
      }
      .blog-hero h1, .blog-header h1 {
        font-size: clamp(32px, 9vw, 56px) !important;
      }
    }

    /* BLOG POST / ARTICLE */
    @media (max-width: 768px) {
      .post-hero {
        padding: 60px 24px 32px !important;
      }
      .post-hero h1, .post-title {
        font-size: clamp(26px, 7vw, 44px) !important;
        letter-spacing: -0.5px !important;
      }
      .post-body {
        padding: 32px 24px !important;
        font-size: 16px !important;
        line-height: 1.75 !important;
      }
      .related-posts-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
      }
    }

    /* AUTH PAGES (Signup / Login) */
    @media (max-width: 768px) {
      .auth-form-wrapper {
        padding: 48px 20px 32px !important;
      }
      .auth-header h1 {
        font-size: 28px !important;
      }
      .form-row {
        flex-direction: column !important;
        gap: 0 !important;
      }
      .back-btn {
        top: 14px !important;
        left: 16px !important;
        font-size: 13px !important;
      }
      .auth-nav {
        font-size: 13px !important;
        top: 16px !important;
        right: 16px !important;
      }
    }

    /* ABOUT PAGE */
    @media (max-width: 768px) {
      .about-hero {
        padding: 80px 24px 48px !important;
      }
      .about-hero h1 {
        font-size: clamp(36px, 10vw, 64px) !important;
      }
      .about-grid, .values-grid, .team-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
      }
      .about-section, .values-section {
        padding: 60px 24px !important;
      }
    }

    /* LEGAL PAGES (Terms / Privacy) */
    @media (max-width: 768px) {
      .legal-hero {
        padding: 60px 24px 32px !important;
      }
      .legal-body, .doc-body, .legal-content {
        padding: 32px 24px !important;
        font-size: 15px !important;
        line-height: 1.75 !important;
      }
    }

    /* CONTACT FORM (index.html) */
    @media (max-width: 768px) {
      .contact-section, .cf-section {
        padding: 60px 24px !important;
      }
      .cf-grid, .contact-grid {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
      }
    }

    /* FOOTER */
    @media (max-width: 768px) {
      .footer-section {
        padding: 60px 24px 40px !important;
      }
      .footer-columns {
        grid-template-columns: 1fr 1fr !important;
        gap: 32px !important;
      }
      .footer-brand {
        font-size: clamp(40px, 14vw, 80px) !important;
      }
      .footer-tagline {
        font-size: 14px !important;
      }
    }

    /* 404 PAGE */
    @media (max-width: 768px) {
      .error-page, .not-found {
        padding: 80px 24px !important;
        text-align: center !important;
      }
    }

    /* ACCOUNT PAGE */
    @media (max-width: 768px) {
      .account-layout, .dashboard-layout {
        flex-direction: column !important;
        gap: 24px !important;
      }
      .account-sidebar {
        width: 100% !important;
        border-right: none !important;
        border-bottom: 1px solid var(--gray-200) !important;
      }
    }

    /* Very small phones */
    @media (max-width: 400px) {
      .hero h1 {
        font-size: 38px !important;
      }
      .nav-right .nav-link {
        font-size: 13px !important;
      }
      .footer-columns {
        grid-template-columns: 1fr !important;
      }
    }