* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Allow text selection for input fields and interactive elements */
input, textarea, button, .copy-btn, a, .btn {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
    cursor: pointer;
}

/* Utility Classes */
.font-bold {
    font-weight: bold;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:root {
    --bg-primary: #191b28;
    --bg-secondary: #252836;
    --accent: #e5650e;
    --text-primary: #ffffff;
    --text-secondary: #b8bcc8;
    --border: #2d3142;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
}

/* Header */
.site-header {
    background-color: var(--bg-secondary);
    border-bottom: 2px solid var(--accent);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header-license {
    background-color: rgba(229, 101, 14, 0.15);
    border-bottom: 1px solid rgba(229, 101, 14, 0.3);
    padding: 4px 0;
    text-align: center;
}

.license-text {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.2;
}

/* Desktop version - reduce license text size and increase logo */
@media (min-width: 769px) {
    .license-text {
        font-size: 12px;
    }

    .logo img {
        width: 180px;
        height: 60px;
    }

    .nav-link {
        font-size: 20px;
        padding: 8px 16px;
        min-height: 42px;
    }

    .btn-header {
        font-size: 18px;
        padding: 8px 20px;
        min-height: 42px;
    }
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 0;
}

.logo {
    display: flex;
    align-items: center;
}

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

.logo svg {
    display: block;
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    .logo img {
        max-width: 120px;
        height: auto;
    }
}

@media (max-width: 480px) {
    .logo img {
        max-width: 100px;
        height: auto;
    }
    
    .logo svg {
        width: 100px;
        height: 33px;
    }
}

.main-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 4px;
    transition: background-color 0.3s, color 0.3s;
    display: inline-block;
    min-height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
}

.nav-link:hover {
    background-color: var(--accent);
    color: var(--text-primary);
}

.header-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.btn-header {
    padding: 4px 12px;
    font-size: 14px;
    white-space: nowrap;
    width: auto;
    min-width: 110px;
    min-height: 32px;
}

/* Content Buttons */
.content-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin: 30px 0;
    flex-wrap: wrap;
}

.content-buttons .btn {
    width: auto;
    min-width: 180px;
    padding: 14px 28px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 60px 20px;
    text-align: center;
}

.hero-banner {
    display: block;
    width: 100%;
    max-width: 800px;
    margin: 0 auto 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-banner img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.hero h1 {
    font-size: clamp(28px, 5vw, 42px);
    margin-bottom: 15px;
    color: var(--text-primary);
}

.lead {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Promo Codes Section */
.promo-codes {
    padding: 60px 20px;
}

.promo-codes h2 {
    font-size: clamp(24px, 4vw, 32px);
    margin-bottom: 40px;
    text-align: center;
    color: var(--accent);
}

.promo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.promo-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(229, 101, 14, 0.2);
    border-color: var(--accent);
}

.promo-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--accent);
    color: var(--text-primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.promo-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-primary);
    padding-right: 80px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    line-height: 1.3;
}

.promo-code {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    background-color: var(--bg-primary);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    flex-wrap: wrap;
}

.code-text {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 18px;
    font-weight: bold;
    color: var(--accent);
    letter-spacing: 1px;
    word-break: break-all;
    overflow-wrap: break-word;
    min-width: 0;
}

.copy-btn {
    background-color: #ff8a3d;
    color: var(--text-primary);
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
    font-size: 14px;
    min-height: 44px;
    min-width: 60px;
    touch-action: manipulation;
}

.copy-btn:hover {
    background-color: #ff9a4d;
    transform: scale(1.05);
}

.copy-btn:active {
    transform: scale(0.95);
}

.promo-description {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 15px;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.promo-features {
    list-style: none;
    margin-bottom: 20px;
}

.promo-features li {
    color: var(--text-secondary);
    font-size: 14px;
    padding: 5px 0;
    padding-left: 25px;
    position: relative;
    margin-left: 0;
}

.promo-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 5px;
    color: var(--accent);
    font-weight: bold;
    width: 20px;
    text-align: left;
}

.promo-card .btn {
    margin-top: auto;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: var(--text-primary);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.3s, transform 0.2s;
    border: none;
    cursor: pointer;
    width: 100%;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
}

.btn-primary:hover {
    background-color: #ff7a2e;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--accent);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* How to Use Section */
.how-to-use {
    padding: 60px 20px;
    background-color: var(--bg-secondary);
}

.how-to-use h2 {
    font-size: clamp(24px, 4vw, 32px);
    margin-bottom: 40px;
    text-align: center;
    color: var(--accent);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

@media (max-width: 900px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

.step-item {
    text-align: center;
    padding: 25px;
    background-color: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.step-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(229, 101, 14, 0.2);
    border-color: var(--accent);
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--accent);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 15px;
}

.step-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.step-item p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Banner Sections */
.banner-section {
    padding: 40px 20px;
    background-color: var(--bg-primary);
}

.content-banner {
    display: block;
    width: 100%;
    max-width: 750px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.content-banner img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* Inline Banners in Content */
.inline-banner {
    display: block;
    width: 100%;
    max-width: 600px;
    margin: 30px auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.inline-banner img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* Text with Image Layout */
.text-with-image {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin: 30px 0;
}

.text-content {
    flex: 1;
    min-width: 0;
}

.right-banner {
    flex-shrink: 0;
    width: 300px;
    max-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.right-banner img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* FAQ Section */
.faq {
    padding: 60px 20px;
}

.faq h2 {
    font-size: clamp(24px, 4vw, 32px);
    margin-bottom: 40px;
    text-align: center;
    color: var(--accent);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-item summary {
    padding: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 18px;
    color: var(--text-primary);
    list-style: none;
    position: relative;
    user-select: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary:after {
    content: "+";
    position: absolute;
    right: 20px;
    font-size: 24px;
    color: var(--accent);
    transition: transform 0.3s;
}

.faq-item[open] summary:after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px 20px 20px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-answer p {
    margin-top: 10px;
}

/* Footer */
.site-footer {
    background-color: var(--bg-secondary);
    border-top: 2px solid var(--accent);
    padding: 40px 20px 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    color: var(--accent);
    margin-bottom: 15px;
    font-size: 20px;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 14px;
}

.footer-nav a:hover {
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-bottom a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-bottom a:hover {
    color: #ff7a2e;
    text-decoration: underline;
}

/* Content Guide Section */
.content-guide {
    padding: 60px 20px;
    background-color: var(--bg-primary);
}

.content-guide .container {
    max-width: 900px;
}

.content-guide h1 {
    font-size: clamp(28px, 4vw, 36px);
    color: var(--accent);
    margin-bottom: 25px;
    line-height: 1.3;
}

.content-guide h2 {
    font-size: clamp(22px, 3.5vw, 28px);
    color: var(--accent);
    margin-top: 40px;
    margin-bottom: 20px;
    line-height: 1.3;
}

.content-guide p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.content-list {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    margin: 20px 0;
    padding-left: 30px;
}

.content-list li {
    margin-bottom: 15px;
    padding-left: 10px;
}

.content-list ul {
    margin-top: 10px;
    margin-bottom: 10px;
    padding-left: 25px;
}

.content-list ul li {
    margin-bottom: 8px;
    list-style-type: disc;
}

.content-list strong {
    color: var(--text-primary);
    font-weight: 600;
}

.content-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    display: table;
    table-layout: auto;
    min-width: 100%;
}

.content-table tbody {
    display: table-row-group;
}

.content-table tr {
    display: table-row;
}

.content-table td {
    padding: 15px;
    border: 1px solid var(--border);
    vertical-align: top;
    display: table-cell;
    white-space: normal;
    word-wrap: break-word;
    max-width: 300px;
}

.content-table td:first-child {
    background-color: rgba(229, 101, 14, 0.1);
    color: var(--text-primary);
    font-weight: 500;
}

.content-table tr:first-child td {
    background-color: var(--accent);
    color: var(--text-primary);
    font-weight: 600;
    text-align: center;
}

.content-table tr:not(:first-child) td:first-child {
    background-color: rgba(229, 101, 14, 0.15);
}

.content-table td p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

.content-table td strong {
    color: var(--text-primary);
    font-weight: 600;
}

.content-table tr:first-child td p {
    color: var(--text-primary);
    font-weight: 600;
}

/* Notification */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--accent);
    color: var(--text-primary);
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transform: translateY(150px);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    z-index: 10000;
    font-weight: 600;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

/* Mobile Responsive */
/* Tablet and below */
@media (max-width: 1024px) {
    .container {
        padding: 0 18px;
    }
    
    .promo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

/* Mobile landscape and below */
@media (max-width: 768px) {
    .header-license {
        padding: 5px 0;
    }

    .license-text {
        font-size: 10px;
    }

    .header-inner {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        padding: 6px 0;
    }

    .logo {
        order: 1;
        flex: 0 0 100%;
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 4px;
    }

    .logo a {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .main-nav {
        order: 2;
        flex: 0 0 100%;
        width: 100%;
        justify-content: center;
        gap: 4px;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        min-width: 0;
    }

    .main-nav::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        font-size: 13px;
        padding: 4px 8px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .header-buttons {
        order: 3;
        flex: 0 0 100%;
        width: 100%;
        justify-content: center;
        margin-top: 8px;
        gap: 8px;
    }

    .btn-header {
        flex: 1;
        min-width: 120px;
        font-size: 12px;
        padding: 6px 12px;
    }

    .content-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .content-buttons .btn {
        width: 100%;
        min-width: auto;
    }

    .nav-link {
        padding: 10px 12px;
        font-size: 14px;
    }

    .hero {
        padding: 50px 20px;
    }

    .hero-banner {
        margin-bottom: 25px;
        border-radius: 8px;
    }

    .banner-section {
        padding: 30px 20px;
    }

    .content-banner {
        max-width: 100%;
        border-radius: 8px;
    }

    .text-with-image {
        flex-direction: column;
        gap: 20px;
    }

    .right-banner {
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
    }

    .hero h1 {
        font-size: clamp(24px, 6vw, 36px);
    }

    .lead {
        font-size: clamp(15px, 3vw, 18px);
    }

    .promo-codes,
    .how-to-use,
    .faq {
        padding: 50px 20px;
    }

    .promo-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .promo-card h3 {
        font-size: clamp(18px, 4vw, 22px);
        padding-right: 70px;
        line-height: 1.3;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .promo-code {
        flex-wrap: wrap;
        gap: 8px;
    }

    .code-text {
        font-size: clamp(16px, 3.5vw, 18px);
        word-break: break-all;
        overflow-wrap: break-word;
    }

    .promo-description {
        font-size: clamp(14px, 3vw, 15px);
        line-height: 1.5;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .promo-features li {
        font-size: clamp(13px, 2.8vw, 14px);
        line-height: 1.5;
        word-wrap: break-word;
        padding-left: 28px;
        padding-right: 0;
    }

    .promo-features li:before {
        left: 2px;
        top: 6px;
        width: 22px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .content-guide {
        padding: 40px 20px;
    }

    .inline-banner {
        max-width: 100%;
        margin: 25px auto;
        border-radius: 6px;
    }

    .content-guide h1 {
        font-size: clamp(24px, 5vw, 32px);
    }

    .content-guide h2 {
        font-size: clamp(20px, 4vw, 26px);
    }

    .content-table {
        font-size: 13px;
        min-width: 600px;
        width: auto;
        display: table;
        margin-left: 0;
        margin-right: 0;
    }
    
    .content-guide {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .content-guide .container {
        min-width: 0;
    }

    .content-table td {
        padding: 12px 10px;
        min-width: 120px;
    }

    .content-table td p {
        font-size: 13px;
        margin: 0;
    }

    .promo-card h3 {
        font-size: 20px;
        padding-right: 70px;
    }

    .step-item {
        padding: 20px;
    }

    .step-item h3 {
        font-size: 18px;
    }

    .faq-item summary {
        padding: 15px;
        font-size: 16px;
    }

    .faq-answer {
        padding: 0 15px 15px 15px;
    }

    .notification {
        right: 10px;
        left: 10px;
        bottom: 10px;
        font-size: 14px;
        padding: 12px 20px;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .header-license {
        padding: 4px 0;
    }

    .license-text {
        font-size: 9px;
    }

    .header-inner {
        padding: 6px 0;
        gap: 6px;
    }

    .nav-link {
        font-size: 12px;
        padding: 4px 6px;
    }

    .btn-header {
        font-size: 11px;
        padding: 5px 10px;
    }

    .logo svg {
        width: 90px;
        height: 30px;
    }

    .main-nav {
        gap: 3px;
    }

    .header-buttons {
        margin-top: 6px;
        gap: 6px;
    }

    .nav-link {
        padding: 8px 10px;
        font-size: 13px;
    }

    .hero {
        padding: 35px 15px;
    }

    .hero-banner {
        margin-bottom: 20px;
        border-radius: 6px;
    }

    .banner-section {
        padding: 25px 15px;
    }

    .content-banner {
        max-width: 100%;
        border-radius: 6px;
    }

    .text-with-image {
        flex-direction: column;
        gap: 15px;
        margin: 20px 0;
    }

    .right-banner {
        width: 100%;
        max-width: 100%;
    }

    .hero h1 {
        font-size: 22px;
        margin-bottom: 12px;
    }

    .lead {
        font-size: 15px;
    }

    .promo-codes,
    .how-to-use,
    .faq {
        padding: 35px 15px;
    }

    .promo-codes h2,
    .how-to-use h2,
    .faq h2 {
        font-size: 22px;
        margin-bottom: 30px;
    }

    .promo-card {
        padding: 18px;
    }

    .promo-card h3 {
        font-size: clamp(16px, 4vw, 18px);
        padding-right: 60px;
        margin-bottom: 12px;
        line-height: 1.3;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .promo-badge {
        font-size: 11px;
        padding: 4px 10px;
        top: 12px;
        right: 12px;
    }

    .promo-code {
        padding: 10px;
        margin-bottom: 12px;
    }

    .promo-code {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .code-text {
        font-size: clamp(14px, 3.5vw, 15px);
        text-align: center;
        padding: 8px;
        background-color: rgba(229, 101, 14, 0.1);
        border-radius: 4px;
        word-break: break-all;
    }

    .copy-btn {
        padding: 10px 16px;
        font-size: 14px;
        width: 100%;
        min-height: 44px;
    }

    .promo-description {
        font-size: clamp(13px, 3vw, 14px);
        margin-bottom: 12px;
        line-height: 1.5;
        text-align: left;
    }

    .promo-features {
        margin-bottom: 15px;
    }

    .promo-features li {
        font-size: clamp(12px, 2.8vw, 13px);
        padding: 6px 0;
        padding-left: 28px;
        padding-right: 0;
        line-height: 1.6;
        word-wrap: break-word;
    }

    .promo-features li:before {
        left: 2px;
        top: 7px;
        width: 22px;
        font-size: 14px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .step-item {
        padding: 18px;
    }

    .step-number {
        width: 45px;
        height: 45px;
        font-size: 20px;
        margin-bottom: 12px;
    }

    .step-item h3 {
        font-size: 17px;
        margin-bottom: 8px;
    }

    .step-item p {
        font-size: 13px;
    }

    .content-guide {
        padding: 35px 15px;
    }

    .inline-banner {
        max-width: 100%;
        margin: 20px auto;
        border-radius: 6px;
    }

    .content-guide h1 {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .content-guide h2 {
        font-size: 20px;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    .content-guide p {
        font-size: 15px;
        margin-bottom: 15px;
    }

    .content-list {
        font-size: 15px;
        padding-left: 25px;
        margin: 15px 0;
    }

    .content-list li {
        margin-bottom: 12px;
        padding-left: 8px;
    }

    .content-table {
        margin: 20px 0;
    }

    .content-table td {
        padding: 10px;
    }

    .content-table td p {
        font-size: 12px;
    }

    .faq-item summary {
        padding: 12px;
        font-size: 15px;
    }

    .faq-answer {
        padding: 0 12px 12px 12px;
    }

    .faq-answer p {
        font-size: 14px;
    }

    .footer-content {
        gap: 20px;
    }

    .footer-section h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .footer-section p {
        font-size: 13px;
    }

    .footer-nav a {
        font-size: 13px;
    }

    .footer-bottom {
        padding-top: 15px;
        font-size: 12px;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .container {
        padding: 0 12px;
    }

    .logo svg {
        width: 80px;
        height: 27px;
    }

    .nav-link {
        padding: 6px 8px;
        font-size: 12px;
    }

    .hero h1 {
        font-size: 20px;
    }

    .promo-card {
        padding: 15px;
    }

    .promo-code {
        padding: 8px;
        gap: 6px;
    }

    .code-text {
        font-size: clamp(13px, 3vw, 14px);
        padding: 6px;
    }

    .copy-btn {
        padding: 8px 14px;
        font-size: 13px;
    }

    .promo-description {
        font-size: clamp(12px, 2.8vw, 13px);
        line-height: 1.4;
    }

    .promo-features li {
        font-size: clamp(11px, 2.5vw, 12px);
        padding: 5px 0;
        padding-left: 26px;
        padding-right: 0;
        line-height: 1.6;
    }

    .promo-features li:before {
        left: 2px;
        top: 6px;
        width: 20px;
        font-size: 13px;
    }

    .copy-btn {
        padding: 5px 10px;
        font-size: 12px;
        min-width: 55px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}