:root {
    --bg-dark-navy: #0D1121;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --gradient-purple-start: #2A1A4F;
    --gradient-purple-end: #0D1121;
    --accent-blue: #3498db;
    --accent-blue-hover: #2980b9;
    --cta-orange: #FF7A00;
    --cta-orange-hover: #E66E00;
    --cta-orange-glow: rgba(255, 122, 0, 0.25);
    --success-green: #2ecc71;
    --text-white: #FFFFFF;
    --text-heading: #eaf4ff;
    --text-light-gray: #B0B5C1;
    --text-muted: #8892a4;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-white: rgba(255, 255, 255, 0.8);
    --border-card: rgba(255, 255, 255, 0.12);
    --font-family: 'Poppins', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 10px 24px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(255, 122, 0, 0.15);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark-navy);
    font-family: var(--font-family);
    color: var(--text-light-gray);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 0;
}

h1, h2, h3 {
    color: var(--text-white);
    font-weight: 700;
    line-height: 1.25;
}

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

a {
    text-decoration: none;
}

/* ---- Buttons ---- */

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    transition: background-color var(--transition), transform 0.2s ease, box-shadow var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--cta-orange);
    color: var(--text-white);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-white);
    border: 2px solid var(--border-white);
}

.btn:active {
    transform: scale(0.98);
}

/* ---- Header ---- */

.main-header {
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 17, 33, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-white);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo img {
    max-height: 40px;
}

.header-nav .btn {
    margin-left: 10px;
    padding: 8px 14px;
    font-size: 0.9rem;
}

/* ---- Page Headline ---- */

.page-headline {
    text-align: center;
    padding: 2.5rem 0 1.5rem;
}

.page-headline h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(135deg, #fff 0%, #FF7A00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- App Download Bar ---- */

.app-download-bar {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    margin-bottom: 2rem;
    transition: border-color var(--transition);
}

.app-download-bar:hover {
    border-color: var(--border-card);
}

.app-download-bar .info {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-white);
    font-weight: 700;
    font-size: 0.9rem;
}

.app-download-bar .icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--gradient-purple-start), var(--cta-orange));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.app-download-bar .btn {
    padding: 8px 16px;
    white-space: nowrap;
}

/* ---- Promo Card (Hero) ---- */

.promo-card {
    background: linear-gradient(135deg, var(--gradient-purple-start), var(--gradient-purple-end));
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-glow);
}

.promo-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 122, 0, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.promo-card .model-image {
    width: 80%;
    max-width: 300px;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.promo-card h2 {
    font-size: 2.2rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    max-width: 450px;
}

.promo-card .btn {
    padding: 14px 40px;
    font-size: 1.2rem;
    margin-top: 1rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 20px var(--cta-orange-glow);
}

.promo-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text-content {
    color: var(--text-white);
}

.hero-text-content h2 {
    font-size: 2rem;
    line-height: 1.3;
}

/* ---- Feature Nav ---- */

.feature-nav-section {
    padding-top: 2rem;
}

.feature-nav ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.feature-nav a {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.5rem 1rem;
    text-align: center;
    text-decoration: none;
    color: var(--text-light-gray);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
}

.feature-nav .icon {
    width: 48px;
    height: 48px;
    stroke: var(--text-light-gray);
    transition: stroke var(--transition);
}

.feature-nav span {
    font-weight: 700;
    color: var(--text-white);
    font-size: 1rem;
}

/* ---- Content Sections ---- */

.content-area {
    padding-top: 1.5rem;
}

.content-area > p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.content-section {
    margin-top: 2.5rem;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition);
}

.content-section:hover {
    border-color: var(--border-card);
}

.content-section h2 {
    color: var(--text-heading);
    font-size: 1.5rem;
    margin: 0 0 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--cta-orange);
    display: inline-block;
}

.content-section p {
    color: var(--text-light-gray);
    line-height: 1.75;
    margin-bottom: 1rem;
}

.content-section p:last-child {
    margin-bottom: 0;
}

/* Unordered lists inside content sections */
.content-section ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.content-section ul li {
    position: relative;
    padding: 0.5rem 0 0.5rem 1.5rem;
    color: var(--text-light-gray);
    line-height: 1.7;
}

.content-section ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.95rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cta-orange);
}

.content-section ul li strong {
    color: var(--text-heading);
}

/* Ordered lists inside content sections */
.content-section ol {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
    counter-reset: step-counter;
}

.content-section ol li {
    position: relative;
    padding: 0.6rem 0 0.6rem 2.5rem;
    color: var(--text-light-gray);
    line-height: 1.7;
    counter-increment: step-counter;
}

.content-section ol li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--cta-orange);
    color: var(--text-white);
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Bonus detail card */
.bonus-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin: 1rem 0;
    transition: border-color var(--transition);
}

.bonus-card:hover {
    border-color: rgba(255, 122, 0, 0.3);
}

.bonus-card h3 {
    color: var(--cta-orange);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.bonus-card .bonus-details {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bonus-card .bonus-details li {
    padding: 0.3rem 0 0.3rem 1.25rem;
    position: relative;
    color: var(--text-light-gray);
    font-size: 0.95rem;
    line-height: 1.65;
}

.bonus-card .bonus-details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--cta-orange);
    font-weight: 700;
}

/* Loyalty tiers */
.loyalty-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin: 1rem 0;
}

.loyalty-tier {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition);
}

.loyalty-tier:hover {
    border-color: var(--border-card);
}

.loyalty-tier .tier-badge {
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.loyalty-tier .tier-badge.gold {
    background: #FFD700;
    box-shadow: 0 0 8px rgba(255, 215, 0, 0.4);
}

.loyalty-tier .tier-badge.platinum {
    background: #E5E4E2;
    box-shadow: 0 0 8px rgba(229, 228, 226, 0.4);
}

.loyalty-tier .tier-badge.diamond {
    background: #B9F2FF;
    box-shadow: 0 0 8px rgba(185, 242, 255, 0.4);
}

.loyalty-tier strong {
    color: var(--text-heading);
    min-width: 80px;
}

.loyalty-tier span {
    color: var(--text-light-gray);
}

/* ---- Info Card (payment methods list etc.) ---- */

.info-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 0;
    margin: 1.25rem 0;
    overflow: hidden;
}

.info-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-card li {
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-light-gray);
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    transition: background-color var(--transition);
}

.info-card li:last-child {
    border-bottom: none;
}

.info-card li:hover {
    background: rgba(255, 255, 255, 0.03);
}

.info-card strong {
    color: var(--text-heading);
}

/* ---- Data Table ---- */

.data-table-container {
    overflow-x: auto;
    margin: 1.25rem 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-card);
}

.data-table {
    width: 100%;
    text-align: left;
    border-collapse: collapse;
}

.data-table thead tr {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-hover));
}

.data-table th {
    padding: 0.9rem 1.25rem;
    color: var(--text-white);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.data-table td {
    padding: 0.9rem 1.25rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-light-gray);
    font-weight: 600;
}

.data-table tbody tr {
    background: rgba(255, 255, 255, 0.02);
    transition: background-color var(--transition);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.06);
}

.text-success {
    color: var(--success-green);
    font-weight: 800;
}

.section-note {
    margin-top: 1rem;
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* highlight for providers list */
.providers-highlight {
    display: inline;
    color: var(--text-heading);
    font-weight: 600;
}

/* ---- Payment Methods Section ---- */

.payment-methods {
    text-align: center;
    padding-top: 2.5rem;
}

.payment-methods h2 {
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.payment-group {
    margin-bottom: 3rem;
}

.payment-group h3 {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.logo-grid {
    display: grid;
    gap: 1rem;
    align-items: center;
    grid-template-columns: repeat(2, 1fr);
}

.payment-logo {
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
}

.payment-logo:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-card);
}

.payment-logo img {
    max-height: 35px;
    width: auto;
}

/* ---- Footer ---- */

.main-footer {
    text-align: center;
    padding: 2rem 5%;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-subtle);
    margin-top: 3rem;
    line-height: 1.7;
}

.footer-inner {
    max-width: 700px;
    margin: 0 auto;
}

.footer-inner .age-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--cta-orange);
    color: var(--cta-orange);
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

/* ---- Responsive ---- */

@media (min-width: 480px) {
    .logo-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .app-download-bar .info {
        font-size: 1rem;
    }
}

@media (min-width: 768px) {
    .page-headline h1 {
        font-size: 3.5rem;
    }

    .promo-card {
        flex-direction: row-reverse;
        text-align: left;
        padding: 3rem;
        justify-content: space-between;
        align-items: center;
    }

    .promo-card .model-image {
        width: 45%;
        max-width: 400px;
        margin: 0;
    }

    .promo-content {
        max-width: 50%;
        align-items: flex-start;
    }

    .promo-card h2 {
        text-align: left;
    }

    .hero-text-content {
        text-align: left;
    }

    .hero-text-content h2 {
        font-size: 2.5rem;
    }

    .feature-nav ul {
        grid-template-columns: repeat(4, 1fr);
    }

    .logo-grid-traditional {
        grid-template-columns: repeat(5, 1fr);
    }

    .logo-grid-ewallet {
        grid-template-columns: repeat(4, 1fr);
    }

    .logo-grid-altcoins {
        grid-template-columns: repeat(5, 1fr);
    }

    .logo-grid-tokens {
        grid-template-columns: repeat(3, 1fr);
    }

    .btn-primary:hover {
        background-color: var(--cta-orange-hover);
        transform: translateY(-2px);
        box-shadow: 0 6px 24px var(--cta-orange-glow);
    }

    .btn-outline:hover {
        background-color: var(--border-white);
        color: var(--bg-dark-navy);
        transform: translateY(-2px);
    }

    .feature-nav a:hover {
        background-color: var(--bg-card-hover);
        border-color: var(--border-card);
        transform: translateY(-3px);
    }

    .feature-nav a:hover .icon {
        stroke: var(--cta-orange);
    }

    .content-section {
        padding: 2.5rem;
    }

    .content-section h2 {
        font-size: 1.65rem;
    }

    .loyalty-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .payment-logo:hover {
        transform: translateY(-2px);
    }
}

@media (min-width: 1024px) {
    .page-headline h1 {
        font-size: 4rem;
    }

    .header-nav .btn {
        padding: 10px 20px;
        font-size: 1rem;
    }

    .promo-card {
        padding: 2rem 4rem;
    }

    .hero-text-content h2 {
        font-size: 3.5rem;
    }

    .feature-nav ul {
        gap: 1.5rem;
    }

    .logo-grid {
        justify-content: center;
    }

    .logo-grid-traditional,
    .logo-grid-ewallet,
    .logo-grid-altcoins,
    .logo-grid-tokens {
        max-width: 980px;
        margin: 0 auto;
        grid-template-columns: repeat(5, 1fr);
    }

    .logo-grid-tokens {
        max-width: 580px;
        grid-template-columns: repeat(3, 1fr);
    }
}