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

body {
    font-family: 'Prompt', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Main Banner */
.main-banner {
    background: linear-gradient(135deg, #03c75a, #00a651);
    color: white;
    text-align: center;
    padding: 60px 0;
}

.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.3;
}

.event-offer {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.offer-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 15px 25px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.offer-item.highlight {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.offer-text {
    font-size: 1.2rem;
    font-weight: 600;
}

.event-period {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.note {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 10px;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    color: #333;
    font-weight: 700;
}

.subtitle {
    font-size: 1.4rem;
    text-align: center;
    margin-bottom: 40px;
    color: #666;
    font-weight: 500;
}

/* Participation Section */
.participation-section {
    background: white;
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.method-item {
    text-align: center;
    background: none;
    transition: none;
}

.method-item:hover {
    background: none;
    transform: none;
    box-shadow: none;
}

.method-image {
    margin-bottom: 20px;
    background: none;
}

.method-image:hover {
    background: none;
}

.method-text {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.5;
}

/* Phone Mockup Styles */
.phone-mockup {
    width: 280px;
    height: 500px;
    margin: 0 auto;
    background: linear-gradient(145deg, #f0f0f0, #e0e0e0);
    border-radius: 30px;
    padding: 0;
    position: relative;
    border: 8px solid #333;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
    overflow: hidden;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #333;
    border-radius: 3px;
    z-index: 10;
}

.phone-mockup::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: #333;
    border-radius: 2px;
    z-index: 10;
}

.phone-mockup.large {
    width: 320px;
    height: 600px;
}

/* Status Bar */
.status-bar {
    height: 24px;
    background: linear-gradient(145deg, #000000, #1a1a1a);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 15px;
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    position: relative;
}

.status-bar::before {
    content: '9:41';
    font-weight: 700;
}

.status-bar::after {
    content: '🔋 100%';
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Search Bar */
.search-bar {
    background: linear-gradient(145deg, #f8f9fa, #e9ecef);
    margin: 20px 15px;
    padding: 15px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 2px solid #dee2e6;
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.1),
        inset 0 2px 5px rgba(255, 255, 255, 0.8);
}

.search-icon {
    font-size: 1.2rem;
}

.search-text {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

/* Profile Section */
.profile-section {
    text-align: center;
    margin-top: 20px;
    padding: 20px;
}

.profile-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(145deg, #03c75a, #00a651);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
    box-shadow: 
        0 8px 25px rgba(3, 199, 90, 0.3),
        inset 0 2px 10px rgba(255, 255, 255, 0.3);
    animation: float 3s ease-in-out infinite;
}

.naversign-btn {
    background: linear-gradient(145deg, #03c75a, #00a651);
    color: white;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 
        0 6px 20px rgba(3, 199, 90, 0.3),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.naversign-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(3, 199, 90, 0.4),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
}

/* QR Code */
.qr-code {
    text-align: center;
    margin-top: 20px;
    padding: 30px;
}

.qr-pattern {
    width: 120px;
    height: 120px;
    background: linear-gradient(145deg, #f0f0f0, #e0e0e0);
    border-radius: 15px;
    margin: 0 auto 15px;
    position: relative;
    border: 3px solid #dee2e6;
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.1),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
    animation: scan 2s ease-in-out infinite;
}

.qr-pattern::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 8px,
        #333 8px,
        #333 16px
    );
    background-size: 16px 16px;
}

.qr-text {
    font-size: 1.1rem;
    color: #666;
    font-weight: 600;
}

/* NaverSign Section */
.naversign-section {
    background: #f8f9fa;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 60px;
    margin-top: 40px;
}

.step-item {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
    text-align: center;
}

.step-number {
    background: linear-gradient(145deg, #03c75a, #00a651);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 
        0 8px 25px rgba(3, 199, 90, 0.3),
        inset 0 2px 10px rgba(255, 255, 255, 0.2);
    animation: rotate 10s linear infinite;
}

.step-content h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: #333;
    font-weight: 600;
    line-height: 1.4;
}

.step-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
    margin-top: 20px;
}

/* Bill List Section */
.bill-list {
    padding: 20px;
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border-radius: 20px;
    margin: 20px;
    border: 2px solid #e9ecef;
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.1),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
}

.bill-list::before {
    content: '📋 สมัครรับใบแจ้งหนี้';
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
    padding: 10px;
    background: linear-gradient(145deg, #e9ecef, #f8f9fa);
    border-radius: 10px;
    border: 1px solid #dee2e6;
}

.bill-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: white;
    border-radius: 15px;
    border: 1px solid #e9ecef;
    margin-bottom: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.bill-icon {
    font-size: 1.5rem;
}

.bill-name {
    flex: 1;
    font-weight: 600;
    color: #333;
}

.apply-btn {
    background: linear-gradient(145deg, #03c75a, #00a651);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 15px rgba(3, 199, 90, 0.3),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
}

.apply-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(3, 199, 90, 0.4),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
}

/* Certificate Section */
.certificate-section {
    text-align: center;
    padding: 40px 20px;
}

.certificate-section::before {
    content: '🔐 ออกเนเวอร์ซายน์';
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
    padding: 10px;
    background: linear-gradient(145deg, #e9ecef, #f8f9fa);
    border-radius: 10px;
    border: 1px solid #dee2e6;
}

.cert-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(145deg, #03c75a, #00a651);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    margin: 0 auto 25px;
    box-shadow: 
        0 8px 25px rgba(3, 199, 90, 0.3),
        inset 0 2px 10px rgba(255, 255, 255, 0.2);
    animation: float 3s ease-in-out infinite;
}

.cert-btn {
    background: linear-gradient(145deg, #03c75a, #00a651);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 6px 20px rgba(3, 199, 90, 0.3),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
}

.cert-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(3, 199, 90, 0.4),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
}

/* Bill Types Section */
.bill-types-section {
    background: white;
}

.bill-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.bill-type-item {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    padding: 30px 20px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid #e9ecef;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.1),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.bill-type-item:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.15),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
}

.bill-type-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.bill-type-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.timing-note {
    background: linear-gradient(145deg, #fff3cd, #ffeaa7);
    border: 2px solid #ffc107;
    border-radius: 15px;
    padding: 25px;
    margin-top: 40px;
    text-align: center;
}

.timing-note p {
    margin-bottom: 10px;
    color: #856404;
    font-weight: 500;
}

.timing-note p:last-child {
    margin-bottom: 0;
}

/* Process Section */
.process-section {
    background: #f8f9fa;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.process-step {
    background: white;
    padding: 30px 20px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid #e9ecef;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.1),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.15),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.process-step h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.process-step p {
    color: #666;
    line-height: 1.6;
}

/* Important Notes Section */
.notes-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.note-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #333;
    font-weight: 600;
}

.note-section ul {
    list-style: none;
    padding-left: 0;
}

.note-section li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
    color: #555;
}

.note-section li:before {
    content: "•";
    color: #03c75a;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.link {
    color: #03c75a;
    text-decoration: none;
    font-weight: 600;
}

.link:hover {
    text-decoration: underline;
}

/* FAQ Section */
.faq-section {
    background: white;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border: 2px solid #e9ecef;
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(145deg, #f8f9fa, #e9ecef);
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: linear-gradient(145deg, #e9ecef, #dee2e6);
}

.faq-question h3 {
    font-size: 1.2rem;
    color: #333;
    font-weight: 600;
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    color: #03c75a;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: white;
}

.faq-answer.active {
    padding: 25px;
    max-height: 200px;
}

.faq-answer p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* Download Section */
.download-section {
    background: #f8f9fa;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 40px;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.download-item {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid #e9ecef;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.1),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.download-item:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.15),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
}

.download-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    display: block;
}

.download-item h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.download-item p {
    color: #666;
    margin-bottom: 25px;
}

.download-btn {
    background: linear-gradient(145deg, #03c75a, #00a651);
    color: white;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 15px rgba(3, 199, 90, 0.3),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(3, 199, 90, 0.4),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
}

.qr-download {
    width: 120px;
    height: 120px;
    background: linear-gradient(145deg, #f0f0f0, #e0e0e0);
    border-radius: 15px;
    margin: 0 auto;
    border: 3px solid #dee2e6;
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.1),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
    position: relative;
}

.qr-download::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 8px,
        #333 8px,
        #333 16px
    );
    background-size: 16px 16px;
}

/* Security Section */
.security-section {
    background: white;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.security-item {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    padding: 30px 20px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid #e9ecef;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.1),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.security-item:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.15),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
}

.security-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.security-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.security-item p {
    color: #666;
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    background: #f8f9fa;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 50px;
    margin-top: 40px;
}

.contact-info h3,
.contact-form h3 {
    font-size: 1.4rem;
    margin-bottom: 25px;
    color: #333;
    font-weight: 600;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border-radius: 15px;
    border: 1px solid #e9ecef;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item strong {
    color: #333;
    font-weight: 600;
}

.contact-item p {
    color: #666;
    margin: 5px 0 0 0;
}

.contact-form form {
    background: white;
    padding: 30px;
    border-radius: 20px;
    border: 2px solid #e9ecef;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Prompt', sans-serif;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #03c75a;
}

.submit-btn {
    background: linear-gradient(145deg, #03c75a, #00a651);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 15px rgba(3, 199, 90, 0.3),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(3, 199, 90, 0.4),
        inset 0 2px 5px rgba(255, 255, 255, 0.2);
}

/* News Section */
.news-section {
    background: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.news-item {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    padding: 30px;
    border-radius: 20px;
    border: 2px solid #e9ecef;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.1),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.15),
        inset 0 2px 10px rgba(255, 255, 255, 0.8);
}

.news-date {
    color: #03c75a;
    font-weight: 600;
    margin-bottom: 15px;
    display: block;
}

.news-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
    line-height: 1.4;
}

.news-item p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.news-link {
    color: #03c75a;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.news-link:hover {
    color: #00a651;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes scan {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #03c75a, #00a651);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-screen.fade-out {
    opacity: 0;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .event-offer {
        flex-direction: column;
        gap: 20px;
    }
    
    .methods-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .step-number {
        order: 2;
        margin: 20px auto 0 auto;
        margin-bottom: 0;
    }
    
    .step-content h3 {
        order: 1;
        margin-bottom: 15px;
    }
    
    .phone-mockup {
        width: 250px;
        height: 450px;
        display: block;
    }
    
    .phone-mockup.large {
        width: 280px;
        height: 500px;
        display: block;
    }
    
    .notes-container {
        grid-template-columns: 1fr;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .main-title {
        font-size: 1.6rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
        gap: 20px;
    }
    
    .step-number {
        order: 2;
        margin: 15px auto 0 auto;
        margin-bottom: 0;
    }
    
    .step-content h3 {
        order: 1;
        margin-bottom: 15px;
    }
    
    .phone-mockup {
        width: 220px;
        height: 400px;
        display: block;
    }
    
    .phone-mockup.large {
        width: 250px;
        height: 450px;
        display: block;
    }
}