html, body {
    overflow-x: hidden;
    max-width: 100%;
}

.navbar {
    background-color: var(--background-color);
    border-bottom: 1px solid var(--accent-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.nav-logo img {
    height: 60px;
    width: auto;
    display: block;
    transition: var(--transition);
}

.nav-logo:hover img {
    transform: scale(1.04);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
    justify-content: flex-end;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    margin: 0;
}

.nav-links li {
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-links a {
    display: inline-block;
    padding: 8px 14px;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--primary-color);
    background-color: var(--accent-color);
    text-decoration: none;
}

.nav-toggle {
    display: none;
    background: none;
    border: 0;
    padding: 10px;
    cursor: pointer;
    width: 44px;
    height: 44px;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

.nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

.navbar .language-switcher {
    position: static;
    top: auto;
    right: auto;
    left: auto;
    order: 0;
}

.hero {
    text-align: center;
    margin: 40px 0 60px;
}

.hero p {
    font-size: 22px;
    color: var(--secondary-color);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
        padding: 10px 16px;
        gap: 8px;
    }

    .nav-logo img {
        height: 44px;
    }

    .nav-toggle {
        display: flex;
        width: 44px;
        height: 44px;
        margin-left: auto;
    }

    [dir="rtl"] .nav-toggle {
        margin-left: 0;
        margin-right: auto;
    }

    .nav-menu {
        display: none;
        flex-basis: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 12px 0 4px;
        order: 3;
    }

    .nav-menu.is-open {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 12px 14px;
    }

    .navbar .language-switcher select {
        width: 100%;
        font-size: 16px;
    }

    .hero {
        margin: 20px 0 30px;
    }

    .hero p {
        font-size: 18px;
    }
}

:root {
    --primary-color: #000000;
    --secondary-color: #333333;
    --accent-color: #f0f0f0;
    --background-color: #ffffff;
    --text-color: #212529;
    --border-radius: 12px;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    font-size: 18px;
    line-height: 1.6;
}

html[lang="ar"] body {
    font-family: 'Noto Sans Arabic', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html[lang="ja"] body {
    font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic Medium', 'Meiryo', 'Segoe UI', sans-serif;
}

html[lang="hi"] body {
    font-family: 'Noto Sans Devanagari', 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

header,
footer {
    text-align: center;
    margin: 40px 0;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    position: relative;
}

.logo_image {
    width: 280px;
    height: 80px;
    margin: 0 auto;
    display: block;
    transition: var(--transition);
    order: 1;
    object-fit: contain;
}

.logo_image:hover {
    transform: scale(1.05);
}

header p {
    font-size: 22px;
    color: var(--secondary-color);
    max-width: 600px;
    margin: 0 auto;
    order: 3;
}

.language-switcher {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    order: 2;
}

[dir="rtl"] .language-switcher {
    right: auto;
    left: 10px;
}

.language-switcher select {
    padding: 8px 12px;
    border-radius: var(--border-radius);
    border: 1px solid var(--accent-color);
    background-color: var(--background-color);
    color: var(--primary-color);
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.language-switcher select:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.language-switcher select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.tool-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 60px 0;
}

.tool {
    background-color: var(--background-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 600px;
    transition: var(--transition);
}

.tool:hover {
    box-shadow: 0 15px 60px rgba(0, 0, 0, 0.1);
}

#cropContainer,
#downloadBtn {
    display: none;
}

label.upload-btn,
button.download-btn {
    display: block;
    width: 100%;
    padding: 20px;
    margin: 20px auto;
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    border: 2px solid var(--primary-color);
    background-color: var(--background-color);
    color: var(--primary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

label.upload-btn:hover,
button.download-btn:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
    transform: translateY(-3px);
}

button.download-btn {
    background-color: var(--primary-color);
    color: var(--background-color);
}

button.download-btn:hover {
    background-color: var(--background-color);
    color: var(--primary-color);
}

.btn-icon {
    margin-right: 10px;
    vertical-align: middle;
}

[dir="rtl"] .btn-icon {
    margin-right: 0;
    margin-left: 10px;
}

input[type="file"] {
    display: none;
}

#cropContainer {
    margin: 30px 0;
    width: 100%;
}

.content-section {
    margin: 80px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

h1 {
    font-size: 42px;
    margin-bottom: 25px;
    color: var(--primary-color);
    text-align: center;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 32px;
    margin: 40px 0 20px;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

p {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

ol,
ul {
    padding-left: 24px;
    margin-bottom: 30px;
}

[dir="rtl"] ol,
[dir="rtl"] ul {
    padding-left: 0;
    padding-right: 24px;
}

li {
    list-style: none;
    margin-bottom: 15px;
    position: relative;
}

.feature-list li {
    padding-left: 28px;
    position: relative;
}

[dir="rtl"] .feature-list li {
    padding-left: 0;
    padding-right: 28px;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

[dir="rtl"] .feature-list li:before {
    left: auto;
    right: 0;
}

.steps-list {
    counter-reset: steps;
    list-style-type: none;
    padding-left: 0;
}

[dir="rtl"] .steps-list {
    padding-right: 0;
}

.steps-list li {
    counter-increment: steps;
    padding-left: 50px;
    position: relative;
    margin-bottom: 30px;
}

[dir="rtl"] .steps-list li {
    padding-left: 0;
    padding-right: 50px;
}

.steps-list li:before {
    content: counter(steps);
    position: absolute;
    left: 0;
    top: 0;
    width: 36px;
    height: 36px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

[dir="rtl"] .steps-list li:before {
    left: auto;
    right: 0;
}

.use-cases {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin: 40px 0;
}

.use-case {
    background-color: var(--accent-color);
    padding: 25px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.use-case:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.use-case h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

footer {
    margin-top: 80px;
    padding: 40px 0;
    border-top: 1px solid var(--accent-color);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.ft {
    color: var(--secondary-color);
    text-decoration: none;
    padding: 8px 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.ft:hover,
.ft:focus {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    text-decoration: underline;
}

.cr {
    font-size: 16px;
    color: var(--secondary-color);
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    font-size: 16px;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
}

th,
td {
    text-align: left;
    padding: 15px;
    border-bottom: 1px solid var(--accent-color);
}

[dir="rtl"] th,
[dir="rtl"] td {
    text-align: right;
}

th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

td {
    color: var(--secondary-color);
}

tr:hover {
    background-color: var(--accent-color);
}

.upload-area {
    display: block;
    cursor: pointer;
    padding: 20px;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    transition: var(--transition);
    margin-bottom: 20px;
}

.upload-area.drag-over {
    border: 2px dashed var(--primary-color);
    background-color: rgba(0, 0, 0, 0.02);
}

.upload-area:hover .upload-btn {
    background-color: var(--primary-color);
    color: var(--background-color);
}

.upload-btn {
    display: block;
    width: 100%;
    padding: 20px;
    margin: 0 auto;
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    border: 2px solid var(--primary-color);
    background-color: var(--background-color);
    color: var(--primary-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.loading-indicator {
    display: none;
    text-align: center;
    padding: 20px;
    color: var(--secondary-color);
    font-style: italic;
}

.ultra-zoom-wrap {
    display: none;
    margin: 15px 0 5px;
    text-align: center;
}

.tool.has-image .ultra-zoom-wrap {
    display: block;
}

.ultra-zoom {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 16px;
    color: var(--secondary-color);
    padding: 8px 14px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    user-select: none;
}

.ultra-zoom:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

.ultra-zoom input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
    margin: 0;
}

.ultra-zoom-active .croppie-container .cr-image,
.ultra-zoom-active .croppie-container canvas {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    .container {
        width: 95%;
        padding: 0 10px;
        margin-top: 20px;
    }

    header {
        margin: 20px 0;
    }

    .header-content {
        gap: 15px;
        margin-bottom: 20px;
    }

    .logo_image {
        width: 240px;
        height: 68px;
    }

    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 26px;
    }

    .tool {
        padding: 25px;
    }

    .use-cases {
        grid-template-columns: 1fr;
    }

    label.upload-btn,
    button.download-btn {
        padding: 15px;
        font-size: 18px;
    }

    .language-switcher {
        position: static;
        order: 2;
        width: auto;
        max-width: 280px;
        margin: 0 auto;
        text-align: center;
    }

    .language-switcher select {
        font-size: 16px;
        width: 100%;
    }

    header p {
        order: 3;
        margin-top: 0;
    }
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 20px;
}

a:focus,
button:focus,
input:focus,
label:focus,
select:focus {
    outline: 3px solid rgba(0, 0, 0, 0.3);
    outline-offset: 3px;
}

.faq-container,
.tips-container {
    margin: 30px 0;
}

.faq-item,
.tip-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--accent-color);
}

.faq-item:last-child,
.tip-item:last-child {
    border-bottom: none;
}

.faq-item h3,
.tip-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-weight: 600;
}

.faq-answer {
    color: var(--secondary-color);
}

.tip-item p {
    margin-bottom: 0;
}