/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #f8fafc;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    min-height: 100vh;
}

/* 自定义滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
    transition: background-color 0.2s;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* 选择文本样式 */
::selection {
    background: #3b82f6;
    color: #ffffff;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: #ffffff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-upload-btn {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.nav-upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #cbd5e1;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* 头部区域样式 */
.hero-section {
    padding: 120px 1rem 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
}

.hero-logo {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.logo-main {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #6366f1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.4);
    transform: rotate(3deg);
    transition: transform 0.3s ease;
}

.logo-main:hover {
    transform: rotate(0deg);
}

.logo-decoration {
    position: absolute;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.logo-decoration-1 {
    width: 24px;
    height: 24px;
    background: #fbbf24;
    top: -8px;
    right: -8px;
    animation-delay: 0s;
}

.logo-decoration-2 {
    width: 16px;
    height: 16px;
    background: #34d399;
    bottom: -8px;
    left: -8px;
    animation-delay: 1s;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.title-gradient {
    background: linear-gradient(135deg, #60a5fa, #a78bfa, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 2rem;
    color: #e2e8f0;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.125rem;
    color: #cbd5e1;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #e2e8f0;
    background: rgba(148, 163, 184, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    font-weight: 500;
}

.feature-item i {
    font-size: 1.25rem;
}

.feature-item:nth-child(1) i {
    color: #3b82f6;
}

.feature-item:nth-child(2) i {
    color: #10b981;
}

.feature-item:nth-child(3) i {
    color: #8b5cf6;
}

/* 语言选择区域样式 */
.language-section {
    max-width: 800px;
    margin: 0 auto 2rem;
    padding: 0 1rem;
}

.language-card {
    background: #1e293b;
    border-radius: 24px;
    padding: 2rem;
    border: 2px solid rgba(251, 191, 36, 0.6);
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.25);
    position: relative;
    overflow: hidden;
}

.language-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(251, 191, 36, 0.05));
    pointer-events: none;
}

.language-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.language-selector {
    position: relative;
    z-index: 1;
}

.language-select {
    width: 100%;
    padding: 1rem 1.5rem;
    background: #334155;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 12px;
    color: #f8fafc;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-select:focus {
    outline: none;
    border-color: #fbbf24;
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.1);
}

.language-select option {
    background: #334155;
    color: #f8fafc;
    padding: 0.5rem;
}

/* 功能特性区域样式 */
.features-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 1rem;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.5) 0%, rgba(51, 65, 85, 0.5) 100%);
    border-radius: 24px;
    margin-bottom: 2rem;
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
}

.features-header {
    text-align: center;
    margin-bottom: 3rem;
}

.features-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.features-subtitle {
    font-size: 1.1rem;
    color: #cbd5e1;
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.4);
}

.feature-icon .svg-icon {
    width: 28px;
    height: 28px;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-description {
    color: #cbd5e1;
    line-height: 1.7;
    font-size: 0.95rem;
}



/* 主要内容区域样式 */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem 4rem;
}

.content-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 文件上传区域样式 */
.upload-section {
    background: #1e293b;
    border-radius: 24px;
    padding: 1.5rem;
    border: 1px solid rgba(251, 191, 36, 0.8);
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.25);
    position: relative;
    overflow: hidden;
}

.upload-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(251, 191, 36, 0.05));
    pointer-events: none;
}

.upload-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.upload-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.upload-left, .upload-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.upload-left {
    padding-right: 0.5rem;
}

.upload-right {
    padding-left: 0.5rem;
}

/* 文件上传区域样式 */
.file-upload-area {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.drop-zone {
    border: 2px dashed rgba(251, 191, 36, 0.8);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(251, 191, 36, 0.05);
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drop-zone:hover {
    border-color: #fbbf24;
    background: rgba(251, 191, 36, 0.1);
    transform: translateY(-2px);
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.drop-zone i {
    font-size: 3.5rem;
    color: #9ca3af;
}

.drop-zone-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: #e2e8f0;
}

.drop-zone-subtext {
    color: #9ca3af;
    font-size: 1rem;
}

.drop-zone-info {
    color: #6b7280;
    font-size: 0.875rem;
    margin: 0;
}

/* 文件信息样式 */
.file-info {
    background: #334155;
    border-radius: 16px;
    padding: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.file-info-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.file-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.file-icon.pdf {
    background: #ef4444;
}

.file-icon.word {
    background: #3b82f6;
}

.file-icon.image {
    background: #10b981;
}

.file-icon.unknown {
    background: #6b7280;
}

.file-details {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-type {
    color: #9ca3af;
    font-size: 0.875rem;
}

.file-remove {
    background: none;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.file-remove:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* 翻译按钮样式 */
.translate-button-container {
    display: flex;
    justify-content: center;
}

.translate-button {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.translate-button:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.translate-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 翻译状态样式 */
.translation-status {
    background: #334155;
    border-radius: 16px;
    padding: 0.75rem;
    border: 1px solid rgba(59, 130, 246, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.status-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #3b82f6;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.translation-status span {
    color: #cbd5e1;
    font-size: 0.875rem;
}

.status-note {
    color: #9ca3af;
    font-size: 0.75rem;
}

/* 右侧说明样式 */
.how-it-works-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 1rem;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}

/* 强制样式覆盖 - 确保步骤编号和社交按钮样式正确应用 */
.step-number {
    width: 22px !important;
    height: 22px !important;
    background: #8b5cf6 !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: white !important;
    font-size: 0.8rem !important;
    font-weight: 700 !important;
    flex-shrink: 0 !important;
    margin-top: 0.1rem !important;
}

.step-content {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.step-title {
    font-weight: 600 !important;
    color: #e2e8f0 !important;
    font-size: 0.95rem !important;
    opacity: 0.8 !important;
    line-height: 1.2 !important;
}

.step-description {
    color: #9ca3af !important;
    font-size: 0.8rem !important;
    line-height: 1.1 !important;
}

/* 翻译结果区域样式 */
.result-section {
    background: #1e293b;
    border-radius: 24px;
    padding: 1.5rem;
    border: 1px solid rgba(251, 191, 36, 0.8);
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.25);
    position: relative;
    overflow: hidden;
}

.result-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(251, 191, 36, 0.05));
    pointer-events: none;
}

.result-card {
    position: relative;
    z-index: 1;
}

.result-empty {
    text-align: center;
    padding: 3rem 1rem;
}

.result-empty i {
    font-size: 4rem;
    color: #6b7280;
    margin-bottom: 1rem;
}

.result-empty h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 0.5rem;
}

.result-empty p {
    color: #9ca3af;
}

.result-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.result-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #f8fafc;
}

.result-actions {
    display: flex;
    gap: 0.5rem;
}

.action-button {
    background: none;
    border: none;
    color: #e2e8f0;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.action-button:hover {
    color: #ffffff;
    background: #334155;
}

/* 页脚样式 */
.footer {
    background: #1e293b;
    border-top: 1px solid #334155;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

.footer-text {
    color: #9ca3af;
    margin-bottom: 1.5rem;
}

.social-buttons {
    display: flex !important;
    justify-content: center !important;
    gap: 0.5rem !important;
    flex-wrap: wrap !important;
}

.social-button {
    display: flex !important;
    align-items: center !important;
    gap: 0.3rem !important;
    padding: 0.3rem 0.6rem !important;
    border: none !important;
    border-radius: 6px !important;
    color: white !important;
    font-size: 0.75rem !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    font-weight: 500 !important;
}

.social-twitter {
    background: #1da1f2;
}

.social-twitter:hover {
    background: #1a91da;
}

.social-facebook {
    background: #1877f2;
}

.social-facebook:hover {
    background: #166fe5;
}

.social-instagram {
    background: linear-gradient(135deg, #833ab4, #fd1d1d);
}

.social-instagram:hover {
    background: linear-gradient(135deg, #722f9a, #e31b1b);
}

.social-reddit {
    background: #ff4500;
}

.social-reddit:hover {
    background: #e63e00;
}

.social-whatsapp {
    background: #25d366;
}

.social-whatsapp:hover {
    background: #20ba5a;
}

.social-line {
    background: #00b900;
}

.social-line:hover {
    background: #009900;
}

.social-wechat {
    background: #07c160;
}

.social-wechat:hover {
    background: #06ad56;
}

.social-icon {
    width: 16px !important;
}

/* 通知提示样式 */
.toast-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: #1e293b;
    color: #f8fafc;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: slideInRight 0.3s ease;
}

.toast.success {
    border-color: #10b981;
    background: linear-gradient(135deg, #064e3b, #065f46);
}

.toast.error {
    border-color: #ef4444;
    background: linear-gradient(135deg, #7f1d1d, #991b1b);
}

.toast.info {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #1e3a8a, #1e40af);
}

.toast.loading {
    border-color: #fbbf24;
    background: linear-gradient(135deg, #92400e, #a16207);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .upload-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    
    .features-title {
        font-size: 2rem;
    }
    

}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    /* Hide language navigation on mobile to match desktop */
    .language-nav {
        display: none;
    }
    
    .hero-section {
        padding: 100px 1rem 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .language-card,
    .upload-section,
    .result-section {
        padding: 1rem;
    }
    
    .upload-layout {
        gap: 1.5rem;
    }
    
    .drop-zone {
        padding: 1.5rem;
    }
    
    .drop-zone i {
        font-size: 2rem;
    }
    
    .drop-zone-text {
        font-size: 1rem;
    }
    
    .social-buttons {
        gap: 0.5rem;
    }
    
    .social-button {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
    
    .features-section {
        padding: 3rem 1rem;
        margin-bottom: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    

}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 0.75rem;
    }
    
    .hero-section {
        padding: 80px 0.75rem 40px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .language-section,
    .main-content {
        padding: 0 0.75rem;
    }
    
    .language-card,
    .upload-section,
    .result-section {
        padding: 0.75rem;
    }
    
    .drop-zone {
        padding: 1rem;
    }
    
    .drop-zone-content {
        gap: 0.75rem;
    }
    
    .drop-zone i {
        font-size: 1.5rem;
    }
    
    .drop-zone-text {
        font-size: 0.875rem;
    }
    
    .drop-zone-subtext {
        font-size: 0.75rem;
    }
    
    .drop-zone-info {
        font-size: 0.625rem;
    }
    
    .features-section {
        padding: 2rem 0.75rem;
    }
    
    .features-title {
        font-size: 1.75rem;
    }
    
    .features-subtitle {
        font-size: 1rem;
    }
    
    .feature-card {
        padding: 1.25rem;
    }
    
    .feature-icon {
        width: 56px;
        height: 56px;
    }
    
    .feature-icon .svg-icon {
        width: 24px;
        height: 24px;
    }
    

}

/* Popular Searches Section */
.popular-searches-section {
    margin-top: 4rem;
}

.popular-title {
    font-size: 2rem;
    font-weight: 600;
    color: #f8fafc;
    text-align: center;
    margin-bottom: 2.5rem;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.popular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.popular-card {
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 16px;
    padding: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.popular-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.popular-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.1);
}

.popular-card:hover::before {
    opacity: 1;
}

.card-flag {
    font-size: 2rem;
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.card-country {
    font-weight: 600;
    color: #f8fafc;
    font-size: 1rem;
}

.card-service {
    color: #cbd5e1;
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Responsive styles for popular section */
@media (max-width: 1024px) {
    .popular-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .popular-title {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .popular-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .popular-card {
        padding: 1rem;
    }
    
    .card-flag {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}