* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; color: #333; line-height: 1.5; min-height: 100vh; }

.site-header { background: white; padding: 12px 16px; box-shadow: 0 2px 15px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 100; display: flex; justify-content: space-between; align-items: center; }
.site-title { display: flex; align-items: center; gap: 8px; }
.site-icon { width: 22px; height: 22px; fill: #2d3748; }
.site-title h1 { font-size: 16px; font-weight: 700; color: #2d3748; }
.rating { display: flex; align-items: center; gap: 4px; font-size: 11px; }
.rating-stars { color: #fbbf24; }
.rating-text { color: #2d3748; font-weight: 600; }

.page { display: none; min-height: calc(100vh - 60px); }
.page.active { display: block; }

.hero-form { background: white; margin: 15px 12px; padding: 20px 16px; border-radius: 16px; box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.form-group { margin-bottom: 16px; }
.form-label { color: #374151; font-size: 14px; font-weight: 600; margin-bottom: 8px; display: block; }
.input-field { width: 100%; padding: 16px 18px; border: 1px solid #e5e7eb; border-radius: 12px; font-size: 16px; background: #fff; color: #1f2937; transition: all 0.3s ease; }
.input-field::placeholder { color: #9ca3af; }
.input-field:focus { outline: none; border-color: #4a6cf7; box-shadow: 0 0 0 3px rgba(74,108,247,0.1); }

.autocomplete-container { position: relative; }
.autocomplete-dropdown { position: absolute; top: 100%; left: 0; right: 0; background: white; border: 1px solid #e5e7eb; border-top: none; border-radius: 0 0 12px 12px; max-height: 200px; overflow-y: auto; z-index: 1000; display: none; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.autocomplete-dropdown.show { display: block; }
.autocomplete-item { padding: 14px 18px; cursor: pointer; border-bottom: 1px solid #f3f4f6; font-size: 15px; color: #1f2937; }
.autocomplete-item:hover { background-color: #f0f4ff; }

.input-with-swap { position: relative; }
.input-with-swap .input-field { padding-right: 55px; }
.swap-button { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; border: 1px solid #e5e7eb; background: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.3s ease; color: #4a6cf7; z-index: 10; }
.swap-button:hover { border-color: #4a6cf7; background: #f0f4ff; transform: translateY(-50%) rotate(180deg); }
.swap-button svg { width: 20px; height: 20px; }

.date-wrapper { position: relative; }
.date-wrapper .input-field { padding-right: 50px; text-align: center; font-weight: 500; }
.date-wrapper .input-field::-webkit-calendar-picker-indicator { opacity: 0; position: absolute; right: 0; width: 100%; height: 100%; cursor: pointer; }
.calendar-icon { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: #4a6cf7; pointer-events: none; }
.calendar-icon svg { width: 24px; height: 24px; }

.btn-primary { width: 100%; padding: 18px; background: #10b981; color: white; border: none; border-radius: 12px; font-size: 15px; font-weight: 700; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 4px 15px rgba(16,185,129,0.3); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 8px; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(16,185,129,0.4); background: #059669; }
.btn-secondary { background: none; color: #6b7280; border: none; font-size: 14px; cursor: pointer; padding: 8px 0; width: 100%; text-align: center; }
.btn-secondary:hover { color: #4a6cf7; }

.success-message { background: #d1fae5; color: #065f46; padding: 16px 20px; margin: 0 12px 15px; font-size: 18px; font-weight: 600; text-align: left; border-radius: 12px; line-height: 1.4; display: flex; align-items: center; gap: 12px; }
.success-message.delay { background: #fef3c7; color: #92400e; }
.success-message .brand-icon { width: 50px; height: 50px; min-width: 50px; background: white; border: 2px solid #60a5fa; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; color: #3b82f6; }
.success-message .message-content { display: flex; align-items: center; gap: 8px; flex: 1; }
.success-message .check-icon { font-size: 22px; font-weight: 700; color: #10b981; flex-shrink: 0; }
.success-message.delay .check-icon { color: #f59e0b; }

.phone-page { padding: 15px 12px; }
.phone-form { background: white; border-radius: 16px; padding: 20px 16px; box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.phone-form h2 { font-size: 16px; margin-bottom: 8px; color: #1f2937; text-align: center; }
.route-info { font-size: 15px; color: #374151; text-align: center; margin-bottom: 16px; font-style: italic; }
.route-info .route-date { color: #3b82f6; font-weight: 600; }

.trust-elements { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 15px 0; }
.trust-item { text-align: center; padding: 10px 5px; background: rgba(74,108,247,0.08); border-radius: 10px; border: 1px solid rgba(74,108,247,0.2); }
.trust-icon { width: 22px; height: 22px; margin: 0 auto 5px; color: #4a6cf7; }
.trust-title { font-size: 10px; font-weight: 600; color: #1f2937; }

.verification-form { background: white; border-radius: 16px; padding: 20px 16px; margin: 15px 12px; box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.verification-form h2 { font-size: 16px; margin-bottom: 8px; color: #1f2937; text-align: center; }
.verification-form p { color: #6b7280; margin-bottom: 15px; font-size: 13px; text-align: center; }
.code-input { width: 100%; padding: 14px; font-size: 20px; text-align: center; letter-spacing: 8px; font-family: monospace; border: 1px solid #e5e7eb; border-radius: 10px; margin-bottom: 12px; }
.code-input:focus { outline: none; border-color: #4a6cf7; box-shadow: 0 0 0 3px rgba(74,108,247,0.1); }
.timer { font-size: 13px; color: #6b7280; margin-bottom: 12px; text-align: center; }
.btn-resend { width: 100%; padding: 12px; background: white; color: #4a6cf7; border: 2px solid #4a6cf7; border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer; margin-top: 8px; display: none; }

.consent-box { background: #f9fafb; border: 1px solid #e5e7eb; border-radius: 8px; padding: 12px; margin: 15px 0; font-size: 10px; text-align: left; }
.consent-checkbox { display: flex; align-items: flex-start; gap: 8px; }
.consent-checkbox input { margin-top: 2px; }

.footer-legal { background: white; color: #6b7280; padding: 15px; font-size: 9px; line-height: 1.4; margin: 20px 12px; border-radius: 8px; }

.benefits-section-page3 { padding: 0 12px 20px; }
.reviews-section-page3 { padding: 0 12px 20px; }

.footer-legal-full { background: #f9fafb; color: #9ca3af; padding: 20px 16px; font-size: 9px; line-height: 1.5; margin: 0; border-top: 1px solid #e5e7eb; }

.input-error { border-color: #ef4444 !important; box-shadow: 0 0 0 3px rgba(239,68,68,0.1) !important; }

.benefits-section { padding: 20px 12px; }
.benefits-title { font-size: 18px; font-weight: 700; color: #1f2937; text-align: center; margin-bottom: 16px; }
.benefit-card { background: white; border-radius: 12px; padding: 16px; margin-bottom: 10px; display: flex; align-items: center; gap: 14px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); border: 1px solid #e5e7eb; }
.benefit-icon { width: 44px; height: 44px; min-width: 44px; background: #d1fae5; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #10b981; }
.benefit-icon svg { width: 22px; height: 22px; }
.benefit-text { font-size: 14px; color: #374151; line-height: 1.4; }

.reviews-section { padding: 20px 12px; }
.reviews-title { font-size: 18px; font-weight: 700; color: #1f2937; text-align: center; margin-bottom: 16px; line-height: 1.4; }
.review-card { background: white; border-radius: 12px; padding: 16px; margin-bottom: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); border: 1px solid #e5e7eb; position: relative; }
.review-quote { position: absolute; top: 12px; left: 16px; font-size: 32px; color: #dbeafe; font-family: Georgia, serif; line-height: 1; }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; padding-left: 28px; }
.review-avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; background: #e5e7eb; }
.review-info { flex: 1; }
.review-name { font-size: 15px; font-weight: 600; color: #10b981; }
.review-route { font-size: 13px; color: #6b7280; }
.review-stars { color: #fbbf24; font-size: 14px; letter-spacing: 1px; }
.review-text { font-size: 14px; color: #374151; line-height: 1.5; font-style: italic; }

.faq-section { padding: 20px 12px; padding-bottom: 80px; }
.faq-title { font-size: 18px; font-weight: 700; color: #1f2937; text-align: center; margin-bottom: 16px; }
.faq-item { background: white; border-radius: 12px; margin-bottom: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); border: 1px solid #e5e7eb; overflow: hidden; }
.faq-question { padding: 16px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; user-select: none; }
.faq-question-text { font-size: 15px; font-weight: 500; color: #1f2937; flex: 1; padding-right: 12px; }
.faq-toggle { font-size: 20px; color: #6b7280; font-weight: 300; transition: transform 0.3s; }
.faq-item.active .faq-toggle { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer-content { padding: 0 16px 16px; font-size: 14px; color: #374151; line-height: 1.5; border-top: 1px solid #e5e7eb; padding-top: 12px; }
.faq-answer-content strong { color: #1f2937; }

.sticky-cta { position: fixed; bottom: 0; left: 0; right: 0; background: white; padding: 12px 16px; box-shadow: 0 -4px 20px rgba(0,0,0,0.15); z-index: 999; transform: translateY(100%); transition: transform 0.3s ease; }
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta-btn { width: 100%; padding: 16px; background: #10b981; color: white; border: none; border-radius: 12px; font-size: 15px; font-weight: 700; cursor: pointer; text-transform: uppercase; letter-spacing: 0.5px; box-shadow: 0 4px 15px rgba(16,185,129,0.3); animation: pulse 2s infinite; }
.sticky-cta-btn:hover { background: #059669; }
@keyframes pulse { 0% { box-shadow: 0 4px 15px rgba(16,185,129,0.3); } 50% { box-shadow: 0 4px 25px rgba(16,185,129,0.6), 0 0 0 8px rgba(16,185,129,0.1); } 100% { box-shadow: 0 4px 15px rgba(16,185,129,0.3); } }

/* Desktop styles */
@media (min-width: 768px) {
    .site-header { padding: 16px 40px; }
    .site-title h1 { font-size: 20px; }

    .brand-buttons-section { padding: 20px 40px 10px; }
    .brand-buttons-grid { max-width: 500px; margin: 0 auto; gap: 16px; }
    .brand-button { padding: 12px; }
    .brand-button-img { height: 80px; }
    .brand-button-placeholder { height: 80px; }
    .brand-button-placeholder svg { width: 24px; height: 24px; }
    .brand-button-placeholder span { font-size: 12px; }

    .hero-form { max-width: 600px; margin: 20px auto; padding: 30px 40px; border-radius: 20px; }
    .form-group { margin-bottom: 20px; }
    .input-field { padding: 18px 20px; font-size: 17px; }
    .btn-primary { padding: 20px; font-size: 16px; }

    .benefits-section, .reviews-section, .faq-section { padding: 30px 40px; }
    .benefits-section, .reviews-section, .faq-section, .benefits-section-page3, .reviews-section-page3 { max-width: 800px; margin-left: auto; margin-right: auto; }
    .benefits-title, .reviews-title, .faq-title { font-size: 24px; margin-bottom: 24px; }

    .benefit-card { padding: 20px 24px; margin-bottom: 14px; border-radius: 16px; }
    .benefit-icon { width: 52px; height: 52px; min-width: 52px; }
    .benefit-icon svg { width: 26px; height: 26px; }
    .benefit-text { font-size: 16px; }

    .review-card { padding: 24px; margin-bottom: 16px; border-radius: 16px; }
    .review-avatar { width: 56px; height: 56px; }
    .review-name { font-size: 17px; }
    .review-text { font-size: 15px; }

    .faq-item { border-radius: 14px; margin-bottom: 12px; }
    .faq-question { padding: 20px 24px; }
    .faq-question-text { font-size: 17px; }
    .faq-answer-content { padding: 0 24px 20px; font-size: 15px; }

    .phone-page { padding: 30px 40px; }
    .phone-form { max-width: 500px; margin: 0 auto; padding: 30px 40px; border-radius: 20px; }
    .phone-form h2 { font-size: 20px; }
    .route-info { font-size: 17px; }
    .trust-elements { gap: 12px; margin: 20px 0; }
    .trust-item { padding: 14px 8px; }
    .trust-icon { width: 28px; height: 28px; }
    .trust-title { font-size: 12px; }

    .train-chart { max-width: 500px; margin: 20px auto; padding: 24px 30px; }
    .train-chart-title { font-size: 18px; }
    .train-bar-label { width: 110px; font-size: 14px; }
    .train-bar { height: 32px; }
    .train-bar-value { font-size: 14px; }

    .verification-form { max-width: 500px; margin: 30px auto; padding: 30px 40px; border-radius: 20px; }
    .verification-form h2 { font-size: 20px; }
    .code-input { padding: 18px; font-size: 24px; }

    .success-message { max-width: 600px; margin: 0 auto 20px; padding: 20px 24px; font-size: 20px; border-radius: 16px; }
    .success-message .brand-icon { width: 56px; height: 56px; font-size: 18px; }

    .sticky-cta { display: none; }

    .brand-modal { max-width: 450px; padding: 30px; }
    .brand-modal-title { font-size: 22px; }
    .brand-modal-logo { width: 120px; height: 120px; }
    .brand-modal-text { font-size: 20px; }

    .footer-legal-full { max-width: 800px; margin: 0 auto; padding: 30px 40px; font-size: 10px; }
}

@media (min-width: 1024px) {
    .hero-form { max-width: 700px; padding: 40px 50px; }

    .benefits-section, .reviews-section, .faq-section, .benefits-section-page3, .reviews-section-page3 { max-width: 900px; }

    .review-card { display: flex; flex-direction: column; }

    .brand-buttons-grid { max-width: 600px; gap: 20px; }
    .brand-button-img { height: 100px; }
    .brand-button-placeholder { height: 100px; }
    .brand-button-placeholder svg { width: 28px; height: 28px; }
    .brand-button-placeholder span { font-size: 13px; }
}

.loading-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(255,255,255,0.95); z-index: 1000; justify-content: center; align-items: center; flex-direction: column; }
.loading-overlay.active { display: flex; }
.loading-spinner { width: 50px; height: 50px; border: 4px solid #e5e7eb; border-top-color: #10b981; border-radius: 50%; animation: spin 1s linear infinite; margin-bottom: 20px; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: 16px; color: #374151; font-weight: 600; }
.loading-subtext { font-size: 13px; color: #6b7280; margin-top: 8px; }
.loading-dots::after { content: ''; animation: dots 1.5s steps(4, end) infinite; }
@keyframes dots { 0%, 20% { content: ''; } 40% { content: '.'; } 60% { content: '..'; } 80%, 100% { content: '...'; } }

/* Brand Buttons Section - ИСПРАВЛЕННЫЕ СТИЛИ */
.brand-buttons-section { padding: 12px 12px 5px; }
.brand-buttons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.brand-button {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80px;
}
.brand-button:hover { border-color: #10b981; box-shadow: 0 4px 15px rgba(16,185,129,0.15); transform: translateY(-2px); }

/* Стили для изображений логотипов */
.brand-button-img {
    width: 100%;
    height: 50px;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 4px;
    background: transparent;
}

/* Стили для placeholder (когда нет изображения) */
.brand-button-placeholder {
    width: 100%;
    height: 50px;
    border-radius: 8px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border: 2px dashed #d1d5db;
    margin-bottom: 4px;
}
.brand-button-placeholder svg { width: 20px; height: 20px; }
.brand-button-placeholder span {
    font-size: 11px;
    font-weight: 600;
    color: #6b7280;
}

.brand-button-text {
    font-size: 11px;
    font-weight: 600;
    color: #6b7280;
    margin-top: 2px;
}

/* Brand Modal */
.brand-modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 2000; justify-content: center; align-items: center; padding: 20px; }
.brand-modal-overlay.active { display: flex; }
.brand-modal { background: white; border-radius: 16px; width: 100%; max-width: 400px; padding: 20px; animation: modalSlideIn 0.3s ease; }
@keyframes modalSlideIn { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
.brand-modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.brand-modal-title { font-size: 18px; font-weight: 700; color: #1f2937; }
.brand-modal-close { width: 32px; height: 32px; border: none; background: #f3f4f6; border-radius: 50%; font-size: 24px; color: #6b7280; cursor: pointer; display: flex; align-items: center; justify-content: center; line-height: 1; }
.brand-modal-close:hover { background: #e5e7eb; color: #374151; }
.brand-modal-logo-wrapper { display: flex; justify-content: center; margin-bottom: 20px; }
.brand-modal-logo { width: 100px; height: 100px; border-radius: 20px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #86efac 0%, #4ade80 100%); padding: 10px; }
.brand-modal-text { font-size: 18px; font-weight: 600; color: #10b981; text-align: center; margin-bottom: 8px; line-height: 1.4; }
.brand-modal-subtext { font-size: 14px; color: #6b7280; text-align: center; margin-bottom: 16px; }
.brand-modal-phone { margin-bottom: 12px; }
.btn-brand-modal { width: 100%; padding: 16px; background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%); color: white; border: none; border-radius: 12px; font-size: 15px; font-weight: 700; cursor: pointer; transition: all 0.3s ease; }

/* Train Chart */
.train-chart { background: white; border-radius: 16px; padding: 20px 16px; margin-top: 15px; box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.train-chart-title { font-size: 16px; font-weight: 700; color: #1f2937; text-align: center; margin-bottom: 4px; }
.train-chart-subtitle { font-size: 12px; color: #6b7280; text-align: center; margin-bottom: 16px; }
.train-chart-bars { display: flex; flex-direction: column; gap: 10px; }
.train-bar-row { display: flex; align-items: center; gap: 10px; }
.train-bar-label { width: 90px; font-size: 13px; color: #374151; font-weight: 500; flex-shrink: 0; }
.train-bar-wrapper { flex: 1; background: #f3f4f6; border-radius: 20px; height: 28px; overflow: hidden; }
.train-bar { height: 100%; border-radius: 20px; display: flex; align-items: center; justify-content: flex-end; padding-right: 12px; transition: width 1s ease; }
.train-bar-value { color: white; font-size: 13px; font-weight: 700; }

body.card {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1e3a5f 0%, #0f2744 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.premium-card {
    background: white;
    border-radius: 24px;
    max-width: 420px;
    width: 100%;
    padding: 28px 24px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
}

.premium-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.premium-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
}

.premium-icon svg {
    width: 24px;
    height: 24px;
}

.premium-title {
    font-size: 24px;
    font-weight: 700;
    color: #10b981;
}

.premium-subtitle {
    font-size: 15px;
    color: #6b7280;
    margin-bottom: 20px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.feature-item {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    border-radius: 14px;
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-left: 4px solid #10b981;
}

.feature-check {
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-check svg {
    width: 16px;
    height: 16px;
}

.feature-text {
    font-size: 15px;
    font-weight: 600;
    color: #1f2937;
    line-height: 1.4;
}

.payment-section {
    text-align: center;
    margin-bottom: 16px;
}

.payment-title {
    font-size: 22px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 12px;
}

.payment-btn {
    width: 100%;
    padding: 18px 24px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16,185,129,0.4);
}

.payment-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16,185,129,0.5);
}

.payment-btn svg {
    width: 22px;
    height: 22px;
}

.consent-section {
    margin-top: 16px;
}

.consent-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.consent-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    min-width: 20px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: #10b981;
}

.consent-checkbox label {
    font-size: 11px;
    color: #6b7280;
    line-height: 1.5;
}

.consent-checkbox label a {
    color: #3b82f6;
    text-decoration: none;
}

.consent-checkbox label a:hover {
    text-decoration: underline;
}

@media (max-width: 480px) {
    .premium-card {
        padding: 24px 20px;
        border-radius: 20px;
    }

    .premium-title {
        font-size: 22px;
    }

    .feature-item {
        padding: 14px 16px;
    }

    .feature-text {
        font-size: 14px;
    }

    .payment-title {
        font-size: 20px;
    }

    .payment-btn {
        padding: 16px 20px;
        font-size: 16px;
    }
}
.error-message {
    color: #e53e3e;
    margin-top: 5px;
    display: none;
    text-align: center;
}