nav .container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

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

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.app-download-widget {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.app-download-button {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(135deg, #151516, #282c30);
    border-radius: 999px;
    padding: 7px 14px;
    box-shadow: 0 4px 15px rgba(30, 32, 36, 0.45);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    animation: appPulse 2s infinite;
}

.app-download-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(27, 29, 32, 0.6);
}

.app-download-logo {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: block;
    object-fit: contain;
    object-position: center;
    background: transparent;
    padding: 0;
    flex-shrink: 0;
}

.app-download-text {
    margin: 0;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.45px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    line-height: 1;
    white-space: nowrap;
}

.reader-counter {
    max-width: 145px;
    width: auto;
    height: auto;
    align-self: center;
}


header {
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem 0 1rem;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 0.5rem;
    animation: fadeInDown 0.8s ease;
}

.subtitle {
    font-size: 1.2rem;
    color: #666;
    animation: fadeInUp 0.8s ease;
}


.updates-banner {
    background: transparent;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.updates-toggle {
    width: 100%;
    background: white;
    border: 3px solid #667eea;
    padding: 1rem 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: #667eea;
    transition: all 0.3s ease;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.updates-toggle:hover {
    background: #667eea;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.updates-toggle:active {
    transform: translateY(-1px);
}

.updates-toggle .icon {
    font-size: 1.4rem;
    animation: pulse 2s infinite;
}

.updates-toggle .text {
    flex: 1;
    text-align: left;
    letter-spacing: 0.3px;
}

.updates-toggle .arrow {
    font-size: 1rem;
    transition: transform 0.3s ease;
    font-weight: bold;
}

.updates-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, margin-top 0.3s ease;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.updates-content.active {
    margin-top: 0.5rem;
}

.update-item {
    padding: 1.75rem;
    border-bottom: 1px solid rgba(102, 126, 234, 0.15);
    background: linear-gradient(to right, rgba(102, 126, 234, 0.02), transparent);
}

.update-item:first-child {
    border-radius: 15px 15px 0 0;
}

.update-item:last-child {
    border-bottom: none;
    border-radius: 0 0 15px 15px;
}

.update-item .date {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    letter-spacing: 0.5px;
}

.update-item h3 {
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.update-item p {
    color: #555;
    margin: 0 0 0.75rem 0;
    line-height: 1.7;
    font-size: 0.9rem;
}

.update-item p:last-child {
    margin-bottom: 0;
}

.update-item strong {
    color: #667eea;
    font-weight: 600;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}


nav {
    background: rgba(255, 255, 255, 0.9);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

nav a {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    margin: 0 0.5rem;
    color: #667eea;
    text-decoration: none;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-weight: 500;
}

nav a:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}


main {
    padding: 2rem 0;
}

.card {
    background: white;
    padding: 2.5rem;
    margin: 2rem 0;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.6s ease;
}

.card h2 {
    color: #667eea;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid #f0f0f0;
    padding-bottom: 0.5rem;
}

.card p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    overflow-wrap: anywhere;
}

.card ul, .card ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.card li {
    margin: 0.5rem 0;
    font-size: 1.05rem;
    overflow-wrap: anywhere;
}


.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
    font-size: 1.1rem;
}


.fun-fact {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 5px;
}


.getting-started-steps {
    counter-reset: step-counter;
    list-style: none;
    margin-left: 0;
    padding-left: 0;
}

.getting-started-steps > li {
    counter-increment: step-counter;
    position: relative;
    padding: 1.25rem 1.5rem 1.25rem 4rem;
    margin: 1.25rem 0;
    background: linear-gradient(to right, rgba(102, 126, 234, 0.05), transparent);
    border-left: 4px solid #667eea;
    border-radius: 8px;
    font-size: 1rem;
    line-height: 1.7;
    transition: all 0.3s ease;
}

.getting-started-steps > li:hover {
    background: linear-gradient(to right, rgba(102, 126, 234, 0.1), transparent);
    transform: translateX(5px);
}

.getting-started-steps > li::before {
    content: counter(step-counter);
    position: absolute;
    left: 1rem;
    top: 1.25rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.95rem;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.getting-started-steps strong {
    color: #000;
    font-weight: 700;
}

.getting-started-steps code {
    background: rgba(102, 126, 234, 0.1);
    color: #764ba2;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.getting-started-steps a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.getting-started-steps a:hover {
    border-bottom-color: #667eea;
}

.sub-steps {
    list-style: none;
    margin: 0.75rem 0 0 0;
    padding-left: 0;
}

.sub-steps li {
    position: relative;
    padding-left: 1.5rem;
    margin: 0.5rem 0;
    font-size: 0.95rem;
    color: #555;
    line-height: 1.6;
}

.sub-steps li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}


.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.example-box {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    display: inline-block;
    min-width: 180px;
    max-width: 220px;
    cursor: pointer;
}

.example-box:hover {
    transform: translateY(-5px);
}

.example-box h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}


footer {
    background: rgba(255, 255, 255, 0.95);
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

footer p {
    margin: 0.5rem 0;
}

.small {
    font-size: 0.9rem;
    color: #666;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes appPulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.9;
    }
}

@media (max-width: 992px) {
    header h1 {
        font-size: 2.15rem;
    }

    .subtitle {
        font-size: 1.05rem;
    }

    .card {
        padding: 2rem;
    }

    .card h2 {
        font-size: 1.75rem;
    }

    .card p,
    .card li {
        font-size: 1rem;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 14px;
    }

    main {
        padding: 1.4rem 0;
    }

    header h1 {
        font-size: 1.7rem;
        line-height: 1.2;
    }
    
    .subtitle {
        font-size: 0.95rem;
        line-height: 1.45;
    }

    .updates-banner {
        margin-top: 1rem;
        margin-bottom: 1rem;
    }

    .updates-toggle {
        padding: 0.85rem 1rem;
        gap: 0.55rem;
        font-size: 0.9rem;
    }

    .updates-toggle .icon {
        font-size: 1.2rem;
    }

    .updates-toggle .text {
        line-height: 1.3;
    }

    .update-item {
        padding: 1.2rem;
    }

    .update-item h3 {
        font-size: 1rem;
    }

    .update-item p {
        font-size: 0.88rem;
    }

    nav {
        padding: 0.8rem 0;
    }

    nav .container {
        gap: 0.35rem;
    }
    
    nav a {
        display: inline-block;
        margin: 0;
        padding: 0.4rem 0.9rem;
        font-size: 0.92rem;
    }
    
    .card {
        padding: 1.2rem;
        margin: 1rem 0;
    }

    .card h2 {
        font-size: 1.35rem;
        margin-bottom: 1rem;
    }

    .card h3 {
        font-size: 1.1rem;
    }

    .card p,
    .card li {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .card ul,
    .card ol {
        margin-left: 1.1rem;
    }

    .highlight {
        padding: 1rem;
        font-size: 0.95rem;
    }

    .getting-started-steps > li {
        padding: 1rem 1rem 1rem 3rem;
        margin: 0.95rem 0;
    }

    .getting-started-steps > li::before {
        width: 1.7rem;
        height: 1.7rem;
        left: 0.65rem;
        top: 1rem;
        font-size: 0.82rem;
    }

    .getting-started-steps code {
        display: inline-block;
        max-width: 100%;
        white-space: normal;
        word-break: break-word;
    }
    
    .examples-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .example-box {
        min-width: 0;
        max-width: none;
        width: 100%;
    }

    .app-download-widget {
        top: auto;
        bottom: 14px;
        right: 14px;
        gap: 6px;
    }

    .app-download-button {
        padding: 6px 12px;
        gap: 7px;
    }

    .app-download-logo {
        width: 26px;
        height: 26px;
    }

    .app-download-text {
        font-size: 0.62rem;
    }

    .reader-counter {
        max-width: 130px;
    }

    footer {
        margin-top: 2rem;
        padding: 1.5rem 0;
    }
}

@media (max-width: 420px) {
    .app-download-text {
        display: none;
    }

    .app-download-button {
        padding: 7px;
        border-radius: 50%;
    }

    .app-download-logo {
        width: 28px;
        height: 28px;
    }
}