/* ============================================
   ConvertRocket - Premium CSS Styles
   Modern, dark-themed, glassmorphic design
   Domain: convertrocket.online
   ============================================ */

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Brand Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --warning-gradient: linear-gradient(135deg, #F2994A 0%, #F2C94C 100%);
    --danger-gradient: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
    --rocket-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 35%, #f093fb 70%, #ff6b6b 100%);

    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: rgba(20, 20, 30, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-hover: rgba(255, 255, 255, 0.1);

    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b80;

    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(102, 126, 234, 0.5);

    --accent-purple: #667eea;
    --accent-pink: #f093fb;
    --accent-cyan: #00d9ff;
    --accent-green: #38ef7d;
    --accent-orange: #ff6b6b;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.4);
    --shadow-glow-pink: 0 0 30px rgba(240, 147, 251, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* RTL Support */
[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

[dir="rtl"] .form-select {
    background-position: left 1rem center;
    padding-left: 3rem;
    padding-right: 1rem;
}

[dir="rtl"] .lang-dropdown {
    left: 0;
    right: auto;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Background */
.bg-animated {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: var(--bg-dark);
    overflow: hidden;
}

.bg-animated::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(240, 147, 251, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 217, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 60% 70%, rgba(255, 107, 107, 0.08) 0%, transparent 40%);
    animation: bgMove 25s ease-in-out infinite;
}

@keyframes bgMove {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(-5%, 5%) rotate(2deg);
    }

    50% {
        transform: translate(5%, -5%) rotate(-2deg);
    }

    75% {
        transform: translate(-3%, -3%) rotate(1deg);
    }
}

/* Floating Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-purple);
    border-radius: 50%;
    opacity: 0.5;
    animation: float 15s infinite ease-in-out;
}

.particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
    animation-duration: 20s;
    background: var(--accent-purple);
}

.particle:nth-child(2) {
    left: 20%;
    animation-delay: 2s;
    animation-duration: 18s;
    background: var(--accent-pink);
}

.particle:nth-child(3) {
    left: 30%;
    animation-delay: 4s;
    animation-duration: 22s;
    background: var(--accent-cyan);
}

.particle:nth-child(4) {
    left: 40%;
    animation-delay: 1s;
    animation-duration: 16s;
    background: var(--accent-purple);
}

.particle:nth-child(5) {
    left: 50%;
    animation-delay: 3s;
    animation-duration: 19s;
    background: var(--accent-pink);
}

.particle:nth-child(6) {
    left: 60%;
    animation-delay: 5s;
    animation-duration: 21s;
    background: var(--accent-orange);
}

.particle:nth-child(7) {
    left: 70%;
    animation-delay: 2s;
    animation-duration: 17s;
    background: var(--accent-cyan);
}

.particle:nth-child(8) {
    left: 80%;
    animation-delay: 4s;
    animation-duration: 23s;
    background: var(--accent-green);
}

.particle:nth-child(9) {
    left: 90%;
    animation-delay: 1s;
    animation-duration: 15s;
    background: var(--accent-pink);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(100vh) scale(1);
        opacity: 0;
    }

    10% {
        opacity: 0.6;
    }

    90% {
        opacity: 0.6;
    }

    100% {
        transform: translateY(-100vh) scale(0.5);
        opacity: 0;
    }
}

/* Top Bar */
.top-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-xl);
}

.top-bar-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-small {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.rocket-icon {
    font-size: 1.3rem;
}

/* Language Selector */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-purple);
}

.globe-icon {
    font-size: 1.1rem;
}

.arrow {
    font-size: 0.7rem;
    opacity: 0.7;
    transition: transform var(--transition-fast);
}

.lang-btn:hover .arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 280px;
    max-height: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
}

.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-search {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.lang-search input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.lang-search input:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.lang-search input::placeholder {
    color: var(--text-muted);
}

.lang-list {
    max-height: 320px;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.lang-option:hover {
    background: var(--bg-hover);
}

.lang-option.active {
    background: var(--primary-gradient);
}

.lang-flag {
    font-size: 1.2rem;
}

.lang-name {
    flex: 1;
    font-weight: 500;
}

.lang-english {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.lang-option.active .lang-english {
    color: rgba(255, 255, 255, 0.7);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Header */
.header {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-xl);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.logo-icon {
    width: 70px;
    height: 70px;
    animation: rocketBounce 2s ease-in-out infinite;
}

@keyframes rocketBounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.rocket-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.5));
}

.brand-name {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -2px;
}

.brand-convert {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-rocket {
    background: linear-gradient(135deg, #f093fb 0%, #ff6b6b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

/* Trust Badges */
.trust-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.badge-icon {
    font-size: 1rem;
}

/* Tab Navigation */
.tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.tab-btn.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
    box-shadow: var(--shadow-glow);
}

.tab-btn .icon {
    font-size: 1.2rem;
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Select Dropdown */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0a0b0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2rem;
    padding-right: 3rem;
    cursor: pointer;
}

.form-select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-glow {
    animation: btnGlow 2s ease-in-out infinite;
}

@keyframes btnGlow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
    }

    50% {
        box-shadow: 0 0 40px rgba(240, 147, 251, 0.5);
    }
}

.btn-secondary {
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--accent-purple);
}

.btn-success {
    background: var(--success-gradient);
    color: white;
}

.btn-danger {
    background: var(--danger-gradient);
    color: white;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    animation: none !important;
}

.button-row {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.button-row .btn-lg {
    flex: 1;
}

/* File Upload Zone */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--bg-glass);
}

.upload-zone:hover {
    border-color: var(--accent-purple);
    background: var(--bg-hover);
}

.upload-zone.dragover {
    border-color: var(--accent-cyan);
    background: rgba(0, 217, 255, 0.1);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.upload-text {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.upload-hint {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.file-input {
    display: none;
}

.file-info-card {
    display: none;
    border-color: var(--accent-purple) !important;
}

.file-info-card.active {
    display: block;
}

/* Progress Bar */
.progress-container {
    margin: var(--spacing-lg) 0;
    display: none;
}

.progress-container.active {
    display: block;
}

.progress-bar {
    height: 10px;
    background: var(--bg-glass);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width var(--transition-normal);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Status Messages */
.status-message {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    display: none;
    animation: slideIn 0.3s ease;
}

.status-message.active {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.status-message.success {
    background: rgba(56, 239, 125, 0.1);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}

.status-message.error {
    background: rgba(235, 51, 73, 0.1);
    border: 1px solid #eb3349;
    color: #f45c43;
}

.status-message.loading {
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid var(--accent-purple);
    color: var(--accent-purple);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Result Card */
.result-card {
    background: var(--bg-glass);
    border: 1px solid var(--accent-green);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    display: none;
}

.result-card.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.result-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.result-icon {
    width: 48px;
    height: 48px;
    background: var(--success-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.result-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.result-info-item {
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
}

.result-info-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.result-info-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Platforms Section */
.platforms-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.section-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.platform-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.platform-badge:hover {
    border-color: var(--accent-purple);
    transform: translateY(-2px);
}

.platform-icon {
    font-size: 1.1rem;
}

/* Video Preview */
.video-preview {
    display: none;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.video-preview.active {
    display: flex;
    gap: var(--spacing-lg);
    animation: fadeIn 0.3s ease;
}

.video-thumbnail {
    width: 200px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-md);
    background: var(--bg-card);
}

.video-details {
    flex: 1;
}

.video-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.video-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Format Grid */
.format-group {
    margin-bottom: var(--spacing-lg);
}

.format-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.format-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.format-badge {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.format-badge:hover {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
    transform: translateY(-2px);
}

.format-badge.video {
    border-left: 3px solid #e74c3c;
}

.format-badge.audio {
    border-left: 3px solid #9b59b6;
}

.format-badge.image {
    border-left: 3px solid #3498db;
}

.format-badge.document {
    border-left: 3px solid #2ecc71;
}

.format-badge.spreadsheet {
    border-left: 3px solid #f39c12;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-glass);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--accent-purple);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* SEO Content Section */
.seo-content {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-glass);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.seo-content h2 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.seo-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* FAQ Section */
.faq-section {
    margin-top: var(--spacing-2xl);
}

.faq-title {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-item summary {
    padding: var(--spacing-lg);
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent-purple);
    transition: transform var(--transition-fast);
}

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

.faq-item p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-secondary);
    margin: 0;
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-color);
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-logo {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-divider {
    color: var(--text-muted);
}

/* =====================================
   NEW STYLES FOR ALL-IN-ONE CONVERTER
   ===================================== */

/* Top Bar Actions */
.top-bar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Share Button */
.share-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--success-gradient);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.share-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(56, 239, 125, 0.4);
}

/* Free Label */
.free-label {
    display: inline-block;
    background: var(--success-gradient);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }
}

/* Hero Title */
.hero-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.hero-icon {
    display: block;
    font-size: 5rem;
    margin-bottom: var(--spacing-md);
    animation: rocketBounce 2s ease-in-out infinite;
}

.title-line1 {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 8px;
    color: var(--accent-cyan);
    text-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
}

.title-line2 {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--rocket-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    text-shadow: none;
    animation: gradientShift 5s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

/* Feature Badges */
.feature-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.feature-badge {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: default;
}

.feature-badge:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
    box-shadow: var(--shadow-glow);
}

.feature-badge .badge-icon {
    display: block;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.feature-badge .badge-text {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.feature-badge .badge-desc {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.feature-badge.privacy {
    border-top: 3px solid #38ef7d;
}

.feature-badge.speed {
    border-top: 3px solid #f093fb;
}

.feature-badge.free {
    border-top: 3px solid #667eea;
}

.feature-badge.unlimited {
    border-top: 3px solid #00d9ff;
}

.feature-badge.quality {
    border-top: 3px solid #ff6b6b;
}

.feature-badge.global {
    border-top: 3px solid #f39c12;
}

/* Quick Convert Grid */
.quick-convert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.quick-convert-btn {
    padding: var(--spacing-md);
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-convert-btn:hover {
    border-color: var(--accent-purple);
    background: var(--bg-hover);
    transform: translateY(-2px);
}

.quick-convert-btn:active {
    transform: translateY(0);
}

/* SEO Content Section */
.seo-content-section {
    margin-top: var(--spacing-2xl);
}

.seo-section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.seo-article {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.seo-article h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-cyan);
}

.seo-article p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.seo-article-full {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.seo-article-full h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.seo-article-full p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.seo-article-full ul {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.seo-article-full ul li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
}

.seo-article-full ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* Steps Grid */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.step {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-md);
}

.step h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.step p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Advantages Grid */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.advantage {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.advantage:hover {
    border-color: var(--accent-purple);
    transform: translateY(-3px);
}

.adv-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.advantage h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.advantage p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.6;
}

/* Converter Result */
.converter-result {
    margin-top: var(--spacing-lg);
}

/* Responsive updates */
@media (max-width: 768px) {
    .title-line1 {
        font-size: 1.2rem;
        letter-spacing: 4px;
    }

    .title-line2 {
        font-size: 2rem;
    }

    .hero-icon {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .feature-badges {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .tab-btn span:not(.icon) {
        display: none;
    }

    .share-btn span {
        display: none;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .title-line2 {
        font-size: 1.5rem;
    }

    .feature-badges {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }

    .feature-badge {
        padding: var(--spacing-md);
    }

    .feature-badge .badge-icon {
        font-size: 1.8rem;
    }

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

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

    .top-bar {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .brand-small {
        font-size: 0.9rem;
    }

    .logo-container {
        flex-direction: column;
    }

    .logo-icon {
        width: 50px;
        height: 50px;
    }

    .brand-name {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .trust-badges {
        gap: var(--spacing-sm);
    }

    .badge {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .tabs {
        gap: var(--spacing-sm);
    }

    .tab-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }

    .card {
        padding: var(--spacing-lg);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .button-row {
        flex-direction: column;
    }

    .video-preview.active {
        flex-direction: column;
    }

    .video-thumbnail {
        width: 100%;
        height: auto;
        aspect-ratio: 16/9;
    }

    .btn-lg {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .lang-dropdown {
        right: -50px;
    }
}

@media (max-width: 480px) {
    .brand-name {
        font-size: 2rem;
    }

    .result-info {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .lang-dropdown {
        width: 250px;
        right: -30px;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-muted);
}

.mt-1 {
    margin-top: var(--spacing-md);
}

.mt-2 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-md);
}

.mb-2 {
    margin-bottom: var(--spacing-lg);
}

.hidden {
    display: none !important;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-purple);
}