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

:root {
    --primary-blue: #1e40af;
    --primary-blue-dark: #1e3a8a;
    --secondary-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-teal: #06b6d4;
    --text-gray: #475569;
    --bg-light: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --bg-light-blue: #e6f0fa;
    --bg-light-gray: #f1f1f1;
    --gradient-hero: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    --gradient-dark: linear-gradient(135deg, #1f2937 0%, #4b5563 100%);
    --gradient-cta: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-light: linear-gradient(135deg, #f0f9ff 0%, #dbeafe 100%);
    --text-dark: #1f2937;
    --text-light: #ffffff;
    --accent: #3b82f6;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #bfdbfe 0%, #93c5fd 25%, #dbeafe 50%, #e0f2fe 75%, #f0f9ff 100%);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}


                /* Container */
        .container {
                    max-width: 1400px;
                    margin: 0 auto;
                    padding: 0 20px;
        }
        /* ------------------------------------------------------------- */
        /* HERO SECTION */
        /* ------------------------------------------------------------- */
        .hero {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: flex-start;
            padding: 6rem 5rem;
            overflow: hidden;
            height: 100vh; /* Full viewport height */
        }

        .hero-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 1;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.2); /* Dark overlay for readability */
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 50%;
            padding: 2rem;
            text-align: right;
            justify-content: flex-end;
            margin-left: auto;
        }

        .hero-nav {
            align-items: center;
            gap: 0.5rem;
            font-family: 'Montserrat', sans-serif;
        }

        .nav-button {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            font-size: 1rem;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-button:hover {
            color: var(--accent-teal);
        }

        .nav-button + .nav-button::before {
            content: ">";
            color: var(--text-light);
            font-weight: 300;
            font-family: 'Montserrat', sans-serif;
            margin-right: 0.6rem;
            opacity: 0.7;
            transition: opacity 0.3s ease;
        }

        .nav-button:hover + .nav-button::before {
            opacity: 1;
        }

        .hero-content h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: -0.025em;
            color: var(--text-light);
        }

        /* Add this after the existing .section styles */
        .intro-section {
            padding: 3rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
            background: var(--bg-light);
            border-radius: 12px;
            margin-top: 2rem;
            text-align: center;
        }

        .intro-subtitle {
            font-family: 'Montserrat', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary-blue);
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .intro-text {
            font-family: 'Inter', sans-serif;
            font-size: 1.2rem;
            color: var(--text-dark);
            line-height: 1.8;
            max-width: 1000px;
            margin: 0 auto;
            opacity: 0.9;
}

     /* Sticky Navigation */
        .industry-sticky-nav {
            position: sticky;
            top: 80px;
            z-index: 999;
            background-color: #ffffff;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            /* border-bottom: 1px solid rgba(226, 232, 240, 0.8); */
            transition: background 0.3s ease;
            box-shadow: none;
        }
        .industry-sticky-nav .container {
            background-color: #ffffff;
        }

        .industry-sticky-nav.visible {
            transform: translateY(0);
        }

        .industry-sticky-nav.scrolled {
            background-color: #ffffff;
            box-shadow: var(--shadow-md);
        }

        .industry-nav-content {
            display: flex;
            justify-content: flex-end;
            flex-wrap: wrap;
            gap: 2rem;
            padding: 1rem 0;
        }

        .industry-nav-link {
            color: var(--text-gray);
            font-weight: 500;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 10px;
            transition: all 0.3s ease;
            position: relative;
        }

        .industry-nav-link.active {
            color: var(--primary-blue);
            background: rgba(59, 130, 246, 0.2);
            font-weight: 600;
        }
        
        .industry-nav-link:hover {
            color: var(--primary-blue);
            background: rgba(59, 130, 246, 0.1);
        }

        /* ------------------------------------------------------------------------ */
        /* FEATURES SECTION */
        /* ------------------------------------------------------------------------ */

       .service-features {
        position: relative;
        padding: 80px 20px;
        text-align: center;
        color: #fff;
        overflow: hidden;
        }

        .service-features .bg-img {
        position: absolute;
        top: 0; left: 0;
        width: 100%; height: 100%;
        object-fit: cover;
        z-index: 0;
        }

        .service-features .overlay {
        position: absolute;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: rgba(0,0,0,0.4);
        z-index: 1;
        }

        .section-header {
        position: relative;
        z-index: 2;
        margin-bottom: 50px;
        }

        .section-header h2 {
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: 15px;
        }

        .section-header p {
        font-size: 1.2rem;
        max-width: 700px;
        margin: 0 auto;
        opacity: 0.9;
        }

        @media (max-width: 900px) {
        .features-grid { 
            grid-template-columns: 1fr;
        }
        }

        .feature-card {
        padding: 40px 30px;
        backdrop-filter: blur(3px);
        transition: transform 0.3s ease;
        cursor: pointer;
        position: relative;
        }
        /* Inner grid lines for features */
        .features-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        max-width: 1200px;
        margin: 0 auto;
        position: relative;
        z-index: 2;
        gap: 0; /* keep lines consistent */
        }

        /* Vertical lines for left column items except the last row */
        .feature-card:nth-child(odd):not(:last-child) {
        border-right: 1px solid rgba(255,255,255,0.2);
        }

        /* Horizontal lines for top row items */
        .feature-card:nth-child(-n+2) {
        border-bottom: 1px solid rgba(255,255,255,0.2);
        }

        /* Remove border for last card that spans full width */
        .feature-card:last-child {
        border: none;
        }

        /* Card Titles with underline */
        .feature-card h3 {
        font-size: 1.4rem;
        margin: 20px 0 15px;
        font-weight: 600;
        position: relative;
        display: inline-block;
        }
        .feature-card h3::after {
        content: "";
        display: block;
        width: 50px;
        height: 3px;
        background: var(--accent);
        margin: 10px auto 0;
        border-radius: 2px;
        }

        .feature-card p {
        font-size: 1rem;
        opacity: 0.9;
        line-height: 1.6;
        }

        /* Icons */
        .feature-card .material-symbols-outlined {
        font-size: 70px;
        color: #ffffff; /* white default */
        display: block;
        margin: 0 auto 15px;
        transition: color 0.3s ease;
        font-variation-settings: 'FILL' 0, 'wght' 200, 'GRAD' 0, 'opsz' 64;
        }
        .feature-card:hover .material-symbols-outlined {
        color: #3b82f6; /* blue */
        }



        /* --------------------------------------------------------------- */
        /* Section Overview */
        /* --------------------------------------------------------------- */

        .section-overview {
        background: #ffffff; /* light gray for contrast */
        color: #1e293b;      /* dark slate for readability */
        padding: 4rem 2rem;
        font-family: "Segoe UI", system-ui, sans-serif;
        text-align: center;
        }

        .section-overview-inner {
        max-width: 900px;
        margin: 0 auto;
        }

        .section-overview p {
        font-size: 1.2rem;
        line-height: 1.8;
        margin-bottom: 1.5rem;
        color: #334155; /* softer gray text */
        }

        .section-overview strong {
        color: #1e40af; /* highlight AI & key terms */
        font-weight: 700;
        }

        /* ----------------------------------------------------------- */
        /* CTA Section */
        /* ----------------------------------------------------------- */
        .cta-section.section--gradient-cta {
        background: var(--gradient-light);
        color: #000;
        padding: 5rem 2rem;
        text-align: center;
        position: relative;
        overflow: hidden;
        }

        .cta-section .cta-content {
        max-width: 900px;
        margin: 0 auto;
        }

        .cta-section h2 {
        font-size: 2.75rem;
        font-weight: 700;
        color: var(--accent);
        margin-bottom: 1.5rem;
        line-height: 1.3;
        }

        .cta-section p {
        font-size: 1.125rem;
        line-height: 1.7;
        margin-bottom: 2.5rem;
        color: #2d2f31;
        }

        .cta-section .cta-button {
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        background: var(--secondary-blue);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        color: #000;
        font-weight: 600;
        font-size: 1rem;
        padding: 0.9rem 1.75rem;
        border-radius: 999px;
        transition: all 0.3s ease;
        text-decoration: none;
        }

        .cta-section .cta-button:hover {
        background: rgba(255, 255, 255, 0.25);
                    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
        color: #0f172a;

        }

        .cta-section .cta-button svg {
        transition: transform 0.3s ease;
        }

        .cta-section .cta-button:hover svg {
        transform: translateX(4px);
        }

        /* ------------------------------------------------------------ */
        /* Scroll animations */
        /* ------------------------------------------------------------ */
        .scroll-reveal {
          opacity: 0;
          transition: all 0.8s ease-out;
        }

        .scroll-reveal[data-reveal="up"] {
          transform: translateY(50px);
        }
        .scroll-reveal[data-reveal="down"] {
          transform: translateY(-50px);
        }
        .scroll-reveal[data-reveal="left"] {
          transform: translateX(-60px);
        }
        .scroll-reveal[data-reveal="right"] {
          transform: translateX(50px);
        }

        /* Revealed state */
        .scroll-reveal.revealed {
          opacity: 1;
          transform: translateX(0) translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            .animate-fadeInUp,
            .scroll-reveal,
            .help-card:hover .card-inner {
                animation: none;
                transform: none;
                transition: none;
            }
        }

        
        /* Loading Animation */
        .loading {
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.2s forwards;
        }
/* ------------------------------------------------------------ */
/* 🌍 Global Responsiveness */
/* ------------------------------------------------------------ */
.container {
  padding: 0 16px;
}

/* ------------------------------------------------------------ */
/* HERO Section */
/* ------------------------------------------------------------ */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    padding: 4rem 2rem;
    text-align: center;
    justify-content: center;
  }
  .hero-content {
    max-width: 100%;
    padding: 1.5rem;
    text-align: center;
  }
  .hero-content h1 {
    font-size: 2.5rem;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 3rem 1rem;
    min-height: 60vh; /* slightly shorter on mobile */
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .nav-button {
    font-size: 0.9rem;
  }
}


/* ------------------------------------------------------------ */
/* Sticky NAV */
/* ------------------------------------------------------------ */
@media (max-width: 768px) {
  
    .industry-sticky-nav {
        top: 70px;
    }
    .industry-nav-content {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
        padding: 0.75rem;
    }

    .industry-nav-link {
        padding: 0.4rem 0.75rem;
        font-size: 0.9rem;
    }
}
/* ------------------------------------------------------------ */
/* FEATURES  Section */
/* ------------------------------------------------------------ */

/* Tablets (900px and below) */
@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    .feature-card {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.2);
    }
    .feature-card:last-child {
        border-bottom: none;
    }
}

/* Small tablets and large phones (640px and below) */
@media (max-width: 640px) {
    .feature-card {
        padding: 30px 20px;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    .feature-card {
        padding: 25px 15px;
    }
}


/* ------------------------------------------------------------ */
/* OVERVIEW Section */
/* ------------------------------------------------------------ */
/* Tablets: 768px and below */
@media (max-width: 768px) {
    .section-overview {
        padding: 3rem 1.5rem;
    }

    .section-overview p {
        font-size: 1.1rem;
        line-height: 1.7;
    }
}

/* Mobile: 480px and below */
@media (max-width: 480px) {
    .section-overview {
        padding: 2rem 1rem;
    }

    .section-overview p {
        font-size: 1rem;
        line-height: 1.6;
    }

    .section-overview-inner {
        padding: 0 1rem;
    }
}
/* ------------------------------------------------------------ */
/* CONTACT  Section */
/* ------------------------------------------------------------ */
/* Tablet view */

@media (max-width: 768px) {
  .cta-section h2 {
    font-size: 1.75rem;
  }
  .cta-section p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .cta-section {
    padding: 3.5rem 1.5rem;
  }
  .cta-section h2 {
    font-size: 1.5rem;
  }
  .cta-section p {
    font-size: 0.95rem;
  }
}