:root {
        --db-blue: #2a81fb;
        --db-gold: #fab71e;
        --db-dark: #0f172a;
        --db-slate: #64748b;
        --db-bg: #ffffff;
        --db-section-alt: #f8fafc;
        --border: #e2e8f0;
        --radius-lg: 24px;
        --radius-md: 12px;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body { font-family: 'Inter', system-ui, sans-serif; color: var(--db-dark); line-height: 1.6; background: var(--db-bg); overflow-x: hidden; }
        img { max-width: 100%; height: auto; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .text-center { text-align: center; }
        .section-padding { padding: 100px 0; }
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
        
        /* Branding & Nav */
        header { position: fixed; width: 100%; top: 0; z-index: 1000; background: rgba(255,255,255,0.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
        .nav-flex { height: 80px; display: flex; align-items: center; justify-content: space-between; }
        .brand-wrap { display: flex; align-items: center; gap: 12px; text-decoration: none; }
        .brand-name { font-size: 1.5rem; font-weight: 800; color: var(--db-dark); letter-spacing: -0.03em; }
        .nav-links { display: flex; gap: 32px; list-style: none; }
        .nav-links a { text-decoration: none; color: var(--db-dark); font-weight: 600; font-size: 0.95rem; }

        /* Typography */
        h1 { font-size: 3.8rem; font-weight: 800; line-height: 1.1; letter-spacing: -0.04em; margin-bottom: 24px; }
        h2 { font-size: 2.5rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 20px; }
        h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 12px; }
        .tag { display: inline-block; padding: 6px 16px; background: rgba(42, 129, 251, 0.1); color: var(--db-blue); border-radius: 100px; font-weight: 700; font-size: 0.75rem; margin-bottom: 16px; text-transform: uppercase; }

        /* Feature Cards */
        .card { padding: 40px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); transition: 0.3s; }
        .icon-circle { width: 50px; height: 50px; border-radius: 12px; background: var(--db-section-alt); display: flex; align-items: center; justify-content: center; color: var(--db-blue); font-size: 1.2rem; margin-bottom: 20px; }

        /* App Mockup Slider */
        .app-gallery { display: flex; gap: 24px; overflow-x: auto; padding: 40px 0; scrollbar-width: none; }
        .phone-mock { min-width: 260px; background: #000; border-radius: 36px; border: 8px solid #1a1a1a; overflow: hidden; height: 520px; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
        .phone-mock img { width: 100%; height: 100%; object-fit: cover; }

        /* Claim Steps */
        .step-item { display: flex; gap: 20px; margin-bottom: 30px; }
        .step-num { width: 32px; height: 32px; background: var(--db-blue); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-weight: 700; font-size: 0.9rem; }

        /* Simple Footer */
        footer { padding: 60px 0; border-top: 1px solid var(--border); background: var(--db-bg); }
        .footer-flex { display: flex; justify-content: space-between; align-items: center; }

        .reveal { opacity: 0; transform: translateY(20px); transition: 0.6s ease-out; }
        .reveal.active { opacity: 1; transform: translateY(0); }

        /* Premium Button & Link Reset */
        .btn-blue {
            background: var(--db-blue);
            color: white !important;
            text-decoration: none !important; /* Forces removal of underlines */
            display: inline-block;
        }

        .btn-blue:hover {
            background: #1a6ddb;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(42, 129, 251, 0.4);
        }

        /* Ensure common anchor links look professional */
        a {
            transition: 0.3s ease;
        }

        .tag {
            font-family: 'Inter', sans-serif;
            letter-spacing: 1px;
        }
        /* Layout Alignment */
.nav-flex {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between; /* Forces logo left, menu right */
    width: 100%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* The "Stand Out" Download Button */
.btn-download-nav {
    background: var(--db-dark); /* Darker color makes it pop against the white nav */
    color: #fff !important;
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 0.85rem !important;
    font-weight: 700;
    text-decoration: none;
    transition: 0.3s;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.1);
}

.btn-download-nav:hover {
    background: var(--db-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(42, 129, 251, 0.3);
}

/* Mobile Responsiveness */

/* Tablet: 768px - 991px */
@media (max-width: 991px) {
    .nav-links {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: #fff;
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 40px;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        box-shadow: -4px 0 20px rgba(0,0,0,0.05);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
        padding: 15px 0;
    }

    .nav-cta {
        padding: 20px !important;
    }

    .btn-download-nav {
        display: block;
        width: 80%;
        margin: 0 auto;
        font-size: 1.1rem !important;
    }

    .menu-btn {
        display: block;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--db-dark);
    }

    .grid-2 {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .grid-3 {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    h1 {
        font-size: 2.8rem !important;
    }

    h2 {
        font-size: 2rem !important;
    }

    .section-padding {
        padding: 60px 0;
    }

    /* Hero section */
    .hero-section {
        padding-top: 120px !important;
    }

    .hero-section .grid-2 > div:last-child {
        order: -1;
    }

    

    /* Flexibility section grid-3 cards with side borders — remove on mobile */
    #flexibility .grid-3 > div {
        border-left: none !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border);
        padding-bottom: 30px !important;
    }

    #flexibility .grid-3 > div:last-child {
        border-bottom: none;
    }

    /* Download CTA section */
    #download-app .reveal {
        padding: 50px 24px !important;
        border-radius: 24px !important;
    }

    #download-app h2 {
        font-size: 2rem !important;
    }

    /* Footer */
    .footer-flex {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    /* Phone mockups */
    .phone-mock {
        min-width: 200px;
        height: 420px;
        border-radius: 28px;
    }

    .app-gallery {
        gap: 16px;
        padding: 24px 0;
    }
}

/* Small phone: below 480px */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    h1 {
        font-size: 2.2rem !important;
    }

    h2 {
        font-size: 1.7rem !important;
    }

    h3 {
        font-size: 1.15rem !important;
    }

    .section-padding {
        padding: 48px 0;
    }

    .hero-section {
        padding-top: 100px !important;
    }

    .hero-section p {
        font-size: 1rem !important;
    }

    /* Hero CTA area */
    .hero-section .btn-blue {
        padding: 16px 30px !important;
        font-size: 0.9rem !important;
        width: 100%;
        justify-content: center;
    }

    .hero-cta-wrap {
        flex-direction: column !important;
        gap: 16px !important;
    }

    .hero-cta-wrap > div[style*="border-left"] {
        border-left: none !important;
        padding-left: 0 !important;
        border-top: 1px solid var(--border);
        padding-top: 16px;
    }

    .card {
        padding: 24px;
    }

    /* Flexibility section */
    #flexibility h2 {
        font-size: 1.6rem !important;
    }

    #flexibility .grid-3 h3 {
        font-size: 1.3rem !important;
    }

    /* Download CTA */
    #download-app .reveal {
        padding: 40px 20px !important;
        border-radius: 20px !important;
    }

    #download-app h2 {
        font-size: 1.6rem !important;
    }

    #download-app p {
        font-size: 0.95rem !important;
    }

    #download-app .btn-blue {
        padding: 14px 28px !important;
        flex-direction: column;
        text-align: center;
    }

    /* Phone mockups on small screens */
    .phone-mock {
        min-width: 180px;
        height: 380px;
        border-radius: 24px;
        border-width: 6px !important;
    }

    /* Rewards / Ecosystem section */
    #rewards .grid-2 > div:first-child {
        order: 2;
    }

    /* Step items */
    .step-item {
        gap: 14px;
        margin-bottom: 24px;
    }

    .step-num {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }

    /* Footer */
    .footer-flex {
        gap: 12px;
    }

    .footer-flex p {
        font-size: 0.8rem !important;
    }
}

@media (min-width: 992px) {
    .menu-btn {
        display: none;
    }
}

/* Tablet landscape: 768px - 991px — 2-col for grid-3 */
@media (min-width: 600px) and (max-width: 991px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 > :last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }
}