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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #f9fafb;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

/* Header */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 20px;
    max-width: 1400px;
}

.logo {
    display: flex;
    align-items: center;
    transition: transform 0.3s;
}

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

.logo img {
    height: 55px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    position: relative;
}

nav a:hover {
    color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
}

nav a.active {
    color: var(--primary-color);
    background: rgba(59, 130, 246, 0.15);
}

@media (max-width: 768px) {
    header .container {
        padding: 1rem 15px;
        justify-content: flex-start;
    }
    
    .logo {
        margin: 0;
    }
    
    .logo img {
        height: 45px;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    nav a {
        font-size: 0.95rem;
        padding: 0.4rem 0.8rem;
    }
}

/* ============================================
   HERO SECTION - Professional & Centered
   ============================================ */

.hero {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    padding: 5rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

/* Badge */

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid #93c5fd;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    color: #1e40af;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

/* Headline */
.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    color: #0f172a;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* Subtitle */
.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    line-height: 1.7;
    color: #64748b;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Price Box */

.hero-price-box {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid #86efac;
    border-radius: 16px;
    padding: 2rem 3rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.price-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.price-amount {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    color: #059669;
    line-height: 1;
}

.price-text {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: #065f46;
    font-weight: 600;
}

.price-subtext {
    text-align: center;
    font-size: 0.95rem;
    color: #047857;
    font-weight: 500;
    margin: 0;
}

/* Feature Badges */
.hero-features {
    display: grid !important;
    grid-template-columns: repeat(4, auto) !important;
    justify-content: center !important;
    gap: 1.5rem !important;
    margin: 2rem auto 0 !important;
    width: 100% !important;
}

.feature-badge {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.75rem 1.25rem !important;
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 50px !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    color: #475569 !important;
    transition: all 0.3s ease !important;
    cursor: default !important;
    white-space: nowrap !important;
}

.feature-badge:hover {
    background: #ffffff;
    border-color: #cbd5e1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.feature-badge svg {
    flex-shrink: 0;
}

/* ============================================
   PRICING MODAL
   ============================================ */

#pricing-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

#pricing-modal .modal-content {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    max-width: 900px;
    width: 100%;
    position: relative;
    animation: slideIn 0.3s ease-out;
}

#pricing-modal .close {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 2rem;
    font-weight: 300;
    color: #64748b;
    cursor: pointer;
    transition: color 0.2s;
}

#pricing-modal .close:hover {
    color: #0f172a;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    #pricing-modal .modal-content {
        padding: 1.5rem;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    #pricing-modal .close {
        right: 1rem;
        top: 1rem;
    }
}

/* ============================================
   RESPONSIVE - Hero Section
   ============================================ */

/* Tablet & Mobile Large (768px and below) */
@media (max-width: 768px) {
    .hero {
        padding: 3.5rem 0 4.5rem;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.05rem;
        margin-bottom: 2.5rem;
    }
    
    .hero-price-box {
        padding: 1.5rem 2rem;
    }
    
    .price-amount {
        font-size: 2.5rem;
    }
    
    .price-text {
        font-size: 1.1rem;
    }
    
    .hero-features {
        grid-template-columns: repeat(2, auto);
        gap: 0.75rem;
    }
    
    .feature-badge {
        font-size: 0.85rem;
        padding: 0.6rem 1rem;
    }
}

/* Mobile Small (640px and below) */
@media (max-width: 640px) {
    .hero {
        padding: 3rem 0 4rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.45rem 0.9rem;
    }
    
    .hero h1 {
        font-size: 2rem;
        margin-bottom: 1.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-price-box {
        padding: 1.25rem 1.5rem;
    }
    
    .price-main {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .price-amount {
        font-size: 2.25rem;
    }
    
    .price-text {
        font-size: 1rem;
    }
    
    .price-subtext {
        font-size: 0.85rem;
    }
    
    .hero-features {
        grid-template-columns: repeat(2, auto);
        gap: 0.5rem;
    }
    
    .feature-badge {
        font-size: 0.75rem;
        padding: 0.5rem 0.85rem;
    }
}

/* Hero Grid Simple - for other pages */
.hero-grid-simple {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content-center {
    padding: 2rem 0;
}

.hero-content-center .hero-h1 {
    margin-bottom: 1rem;
}

.hero-content-center .hero-text {
    margin: 0 auto;
    max-width: 600px;
}

/* Success Page & Error Page */
.success-content {
    text-align: center;
    padding: 3rem 0;
}

.success-icon {
    font-size: 5rem;
    margin-bottom: 1.5rem;
}

.error-code {
    font-size: 8rem;
    font-weight: 900;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 1rem;
}

.success-message {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.8;
}

@media (max-width: 480px) {
    .hero-h1 {
        font-size: 1.875rem;
        padding: 0 1rem;
    }
    
    .hero-text {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    .stat-item span {
        font-size: 0.75rem;
    }
    
    .stat-icon {
        font-size: 1.5rem;
    }
    
    .hero-image {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .error-code {
        font-size: 5rem;
    }
    
    .btn-large {
        font-size: 1rem;
        padding: 1rem 2rem;
    }
}

/* Ad Container */
.ad-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 20px;
    min-height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Converter Grid */
.converter-grid {
    padding: 3rem 0;
}

.converter-grid h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}


.converter-card {
    background: #ffffff;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.converter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.converter-card:hover::before {
    transform: scaleX(1);
}

.converter-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.2);
    border-color: #93c5fd;
}

.converter-card .icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.converter-card:hover .icon {
    transform: scale(1.1);
}

.converter-card h4 {
    color: #0f172a;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.converter-card p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .converter-grid .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .converter-grid .grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .converter-card {
        padding: 2rem 1.5rem;
    }
    
    .converter-card .icon {
        font-size: 2.5rem;
    }
}

/* ============================================
   CONVERTER SELECTION - Modern Cards
   ============================================ */

.converter-selection {
    padding: 5rem 0;
    background: #ffffff;
}

.converter-selection h2 {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 900;
    color: #0f172a;
    margin-bottom: 1rem;
}

.converter-selection > .container > p {
    text-align: center;
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Converter Grid Section */
.converter-grid {
    padding: 4rem 0;
    background: #f8fafc;
}

.converter-grid h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #0f172a;
    font-weight: 700;
}

.converter-grid .grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Tablet */
@media (max-width: 1024px) {
    .converter-grid .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .converter-grid .grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem;
    }
}

.converter-section {
    padding: 3rem 0;
    background: var(--white);
}

.converter-box {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-color);
    border-radius: 12px;
    padding: clamp(1.5rem, 4vw, 2rem);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .converter-section {
        padding: 2rem 0;
    }
    
    .converter-box {
        margin: 0 1rem;
        padding: 1.5rem 1rem;
    }
}

.converter-box h3 {
    text-align: center;
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: 2rem;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .converter-box h3 {
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
    }
}

.upload-area {
    border: 3px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    background: var(--white);
}

@media (max-width: 768px) {
    .upload-area {
        padding: 2rem 1rem;
        border-width: 2px;
    }
    
    .upload-area p {
        font-size: 0.9rem;
        padding: 0 0.5rem;
    }
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

@media (max-width: 768px) {
    .upload-icon {
        font-size: 3rem;
        margin-bottom: 0.75rem;
    }
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.upload-area input[type="file"] {
    display: none;
}

/* File Info */
.file-info {
    background: var(--white);
    padding: clamp(1rem, 3vw, 1.5rem);
    border-radius: 8px;
    margin-top: 1.5rem;
}

@media (max-width: 768px) {
    .file-info {
        padding: 1rem;
    }
    
    .file-info p {
        font-size: 0.9rem;
        word-break: break-word;
    }
}

.file-info p {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.file-info span {
    color: var(--text-light);
}

/* Progress */
.progress-container {
    margin-top: 2rem;
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 0%;
    transition: width 0.3s;
    border-radius: 6px;
}

#progressText {
    color: var(--text-light);
    font-weight: 500;
}

/* Result Container */
.result-container {
    text-align: center;
    margin-top: 2rem;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.result-container p {
    font-size: 1.25rem;
    color: var(--success-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 1.1rem 2.5rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    padding: 0.9rem 2rem;
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary[href] {
    display: inline-block;
    text-decoration: none;
}

/* ============================================
   FEATURES SECTION - Modern Grid
   ============================================ */

.features {
    padding: 5rem 0;
    background: #ffffff;
}

.features h3 {
    text-align: center;
    color: #0f172a;
    margin-bottom: 1rem;
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 900;
}

.features > .container > p {
    text-align: center;
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature {
    text-align: center;
    padding: 2.5rem 2rem;
    background: #f8fafc;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.feature:hover {
    background: #ffffff;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.feature:hover .feature-icon {
    transform: scale(1.1);
}

.feature h4 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
    font-weight: 700;
}

.feature p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 1.05rem;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .features {
        padding: 3rem 0;
    }
    
    .features h3 {
        font-size: 2rem;
        margin-bottom: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .feature {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature {
        padding: 2rem 1.5rem;
    }
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: var(--white);
    padding: 4rem 0 1.5rem;
    margin-top: 5rem;
    border-top: 3px solid var(--primary-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    position: relative;
    padding-bottom: 0.5rem;
}


.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-section a:hover {
    color: #ffffff;
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    footer {
        padding: 3rem 0 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 2rem;
    }
}

@media (max-width: 640px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-section a:hover {
        transform: translateX(0);
    }
    
    .footer-section h4 {
        font-size: 1.1rem;
    }
}

/* Payment Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--white);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 12px;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.close {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: var(--text-color);
}

.modal h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.price-display {
    text-align: center;
    padding: 2rem;
    background: var(--bg-color);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.price-display .amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price-display .description {
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

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

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

    .converter-grid h3,
    .features h3 {
        font-size: 1.5rem;
    }

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

    .converter-box {
        padding: 1.5rem;
    }

    .upload-area {
        padding: 2rem 1rem;
    }

    .modal-content {
        margin: 10% 20px;
        padding: 1.5rem;
    }

    .price-display .amount {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.2rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }

    .converter-card {
        padding: 1.5rem;
    }

    .converter-card .icon {
        font-size: 2.5rem;
    }
}
/* CACHE BUSTER - 1763461634 */