/* --- Global Styles & Resets --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html {
    background-color: #00b4ff;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23f3f3f3' stroke-width='2'%3E%3Ccircle cx='25' cy='25' r='25'/%3E%3Ccircle cx='75' cy='25' r='25'/%3E%3Ccircle cx='25' cy='75' r='25'/%3E%3Ccircle cx='75' cy='75' r='25'/%3E%3C/g%3E%3C/svg%3E"  );
    background-size: 50px 50px;
}
body {
    font-family: 'Inter', sans-serif; color: #18181b; line-height: 1.6;
    display: flex; justify-content: center; padding: 40px 20px;
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
.page-wrapper { width: 100%; max-width: 800px; display: flex; flex-direction: column; gap: 40px; }

/* --- Typography --- */
h1 { font-size: 48px; font-weight: 800; line-height: 1.2; letter-spacing: -1.5px; }
h2.section-title { font-size: 36px; font-weight: 800; line-height: 1.2; letter-spacing: -1px; text-align: center; }
h3 { font-size: 18px; font-weight: 700; }
h4 { font-size: 16px; font-weight: 700; }
p { font-size: 16px; max-width: 600px; }
a { color: #007bff; text-decoration: none; font-weight: 700; }

/* --- Master Card Styling --- */
.master-card {
    background-color: #ffffff; padding: 50px 40px; border-radius: 24px;
    display: flex; flex-direction: column; align-items: center; text-align: center; gap: 30px;
}

/* --- Content Sections --- */
.hero, .how-it-works, .info-accordion {
    display: flex; flex-direction: column; align-items: center;
    text-align: center; gap: 20px; width: 100%;
}
.tagline { font-size: 20px; color: #52525b; }

/* --- CTA Buttons --- */
.cta-button {
    display: inline-block; background-color: #007bff; color: #ffffff;
    padding: 16px 32px; border-radius: 12px; font-size: 18px; font-weight: 700;
    transition: transform 0.2s ease, background-color 0.2s ease;
    border: none; cursor: pointer; width: 100%;
}
.cta-button:hover { transform: scale(1.05); background-color: #0056b3; }
.cta-button.secondary { background-color: #e5e7eb; color: #374151; }
.cta-button.secondary:hover { background-color: #d1d5db; }
.cta-button:disabled {
    background-color: #e5e7eb; color: #9ca3af; cursor: not-allowed;
}
.cta-button:disabled:hover { transform: none; background-color: #e5e7eb; }

.section-divider { width: 100%; border: none; border-top: 1px solid #e5e5e5; margin: 10px 0; }

/* --- How-It-Works Section --- */
.how-it-works-grid { display: grid; grid-template-columns: 1fr; gap: 30px; width: 100%; margin-top: 20px; }
.feature-item { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 100%; }
.feature-icon { width: 48px; height: 48px; }
.feature-item h3 { margin-top: 8px; }
.feature-item p { font-size: 16px; color: #52525b; max-width: 100%; }

/* --- Accordion Styles --- */
.info-accordion { max-width: 100%; text-align: left; }
.accordion-item { width: 100%; border-bottom: 1px solid #e5e5e5; }
.accordion-item:first-of-type { border-top: 1px solid #e5e5e5; }
.accordion-question { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-size: 18px; font-weight: 500; padding: 20px 0; }
.accordion-question .icon { font-size: 24px; font-weight: 300; transition: transform 0.3s ease; }
.accordion-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out, padding-bottom 0.4s ease-out; color: #52525b; font-size: 16px; line-height: 1.6; }
.accordion-item.open .accordion-answer { max-height: 800px; padding-bottom: 25px; transition: max-height 0.4s ease-in, padding-bottom 0.4s ease-in; }
.accordion-item.open .accordion-question .icon { transform: rotate(45deg); }

/* --- Pricing Accordion --- */
.pricing-details { display: grid; grid-template-columns: 1fr; gap: 15px; margin-top: 20px; }
.price-pack { border: 1px solid #e5e5e5; padding: 20px; border-radius: 12px; }
.price-pack.recommended { border-color: #007bff; box-shadow: 0 0 10px rgba(0, 123, 255, 0.2); }
.price-pack h4 { margin-bottom: 5px; }
.price-pack p { font-size: 14px; color: #52525b; margin-bottom: 15px; max-width: 100%; }
.cta-button-small { display: inline-block; text-align: center; padding: 10px 20px; font-size: 16px; }

/* --- Page Footer --- */
.page-footer { padding: 20px; text-align: center; font-size: 14px; color: #71717a; }
.page-footer a { color: #71717a; font-weight: 400; text-decoration: underline; transition: color 0.2s ease; }
.page-footer a:hover { color: #18181b; }

/* --- Contact Form Styles --- */
.contact-form { display: flex; flex-direction: column; gap: 15px; margin-top: 10px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px; font-family: 'Inter', sans-serif; font-size: 16px; border: 1px solid #d4d4d8; border-radius: 8px; background-color: #f4f4f5; }
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form button { align-self: flex-start; padding: 12px 24px; font-size: 16px; font-weight: 700; border-radius: 8px; border: none; cursor: pointer; background-color: #18181b; color: #ffffff; transition: background-color 0.2s ease; }
.contact-form button:hover { background-color: #3f3f46; }
#form-status { display: flex; justify-content: space-between; align-items: center; padding: 15px; background-color: #f0fdf4; color: #166534; border-radius: 8px; margin-top: 15px; }

/* --- App Section Styles --- */
.app-section { background-color: #ffffff; border-radius: 16px; padding: 30px; width: 100%; max-width: 550px; border: 1px solid #e5e5e5; }
.app-container { display: flex; flex-direction: column; gap: 30px; }
.app-step { display: flex; align-items: flex-start; gap: 15px; }
.step-content { width: 100%; }
.step-content label { display: block; font-weight: 600; margin-bottom: 12px; font-size: 16px; text-align: center; }
.step-content input[type="text"] {
    width: 100%;
    padding: 14px;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    border: 1px solid #d4d4d8;
    border-radius: 12px;
    /* NEW STYLES */
    text-align: center;
    font-weight: 700;
}

/* --- License Status Message --- */
.license-status-message { font-size: 14px; text-align: center; margin-top: 10px; min-height: 20px; }
.license-status-message.valid { color: #16a34a; }
.license-status-message.invalid { color: #dc2626; }
.license-status-message a { font-weight: 700; text-decoration: underline; }

/* --- Drop Zone Styles --- */
.drop-zone { border: 2px dashed #d4d4d8; border-radius: 12px; padding: 40px 30px; text-align: center; transition: border-color 0.3s ease, background-color 0.3s ease; }
.drop-zone.disabled { cursor: not-allowed; background-color: #f9fafb; opacity: 0.6; }
.drop-zone:not(.disabled) { cursor: pointer; }
.drop-zone:not(.disabled):hover, .drop-zone:not(.disabled).dragover { border-color: #007bff; background-color: #f8f9fa; }
.drop-zone-icon { width: 32px; height: 32px; margin-bottom: 12px; opacity: 0.6; fill: #a1a1aa; }
.drop-zone-prompt p { margin: 0; color: #52525b; max-width: 100%; font-size: 16px; }
.drop-zone-prompt p strong { color: #18181b; font-weight: 600; }
.drop-zone-limits { font-size: 14px; color: #a1a1aa; margin-top: 8px !important; }

/* --- File List Styles --- */
#file-list { margin-top: 15px; text-align: left; font-size: 14px; }
.file-list-container { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.file-list-container li { background-color: #f4f4f5; padding: 8px 12px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; }
.remove-file-btn { background: none; border: none; font-size: 20px; color: #71717a; cursor: pointer; line-height: 1; padding: 2px 5px; }
.remove-file-btn:hover { color: #18181b; }

/* --- Activation Notice --- */
.activation-notice { font-size: 14px; color: #71717a; text-align: center; margin-top: 15px; max-width: 100%; }

/* --- App Status & Progress --- */
.app-status { margin-top: 20px; text-align: center; display: flex; flex-direction: column; gap: 20px; }
.progress-bar { width: 100%; height: 8px; background-color: #e5e5e5; border-radius: 4px; overflow: hidden; margin-bottom: 10px; }
.progress-fill { width: 0%; height: 100%; background-color: #007bff; transition: width 0.3s ease; }
#status-message { font-weight: 500; color: #3f3f46; }

/* --- History Section Styles --- */
.history-section {
    width: 100%;
    max-width: 550px;
    background-color: #f9fafb;
    border: 1px solid #e5e5e5;
    border-radius: 16px;
    padding: 25px 30px;
    text-align: left;
}
.history-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
    text-align: center;
}
.history-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 300px;
    overflow-y: auto;
}
.history-item {
    background-color: #ffffff;
    border: 1px solid #e5e5e5;
    border-radius: 10px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}
.history-item-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.history-item-info span {
    font-weight: 600;
    font-size: 14px;
}
.history-item-info p {
    font-size: 12px;
    color: #71717a;
    max-width: 100%;
    margin: 0;
}
.history-download-btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    background-color: #007bff;
    color: #ffffff;
    border: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}
.history-download-btn:hover {
    background-color: #0056b3;
}

/* --- Responsive Design --- */
@media (min-width: 768px) {
    .how-it-works-grid { grid-template-columns: repeat(3, 1fr); }
    .pricing-details { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    h1 { font-size: 36px; }
    h2.section-title { font-size: 28px; }
    .master-card { padding: 40px 20px; }
}