/* FactChain owner: base */
/* ----------------------------------------------------------------
   2. RESET & BASE
   ---------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    font-size: 16px;
    scrollbar-color: #333 #121212;
    scrollbar-width: thin;
}

html::-webkit-scrollbar {
    width: 8px;
}
html::-webkit-scrollbar-track {
    background: #121212;
}
html::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}
html::-webkit-scrollbar-thumb:hover {
    background: #444;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection {
    background-color: var(--accent);
    color: var(--text-primary);
}

::-moz-selection {
    background-color: var(--accent);
    color: var(--text-primary);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--accent);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
    font-size: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: none;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

main,
.main {
    flex: 1;
}

/* ----------------------------------------------------------------
   3. CONTAINER & LAYOUT
   ---------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: 100px 0;
    min-height: auto;
}

.section--fullscreen {
    min-height: 100vh;
}

/* ----------------------------------------------------------------
   4. NAVBAR
   ---------------------------------------------------------------- */
.navbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: auto;
    z-index: 100;
    background: transparent;
    border-bottom: none;
    padding: 36px 40px;
}

.navbar__inner,
.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.navbar-login {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color var(--transition-base);
}

.navbar-login:hover {
    color: var(--text-primary);
}

.navbar__logo,
.navbar-logo {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #fff;
    text-decoration: none;
    line-height: 11px;
}

.navbar__logo:hover,
.navbar-logo:hover {
    color: var(--text-primary);
}

.navbar--scrolled {
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 24px;
    transition: background 0.3s ease, padding 0.3s ease;
}

.navbar__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ----------------------------------------------------------------
   14. FORM -- INPUTS (Floating Label)
   ---------------------------------------------------------------- */
.form-group {
    position: relative;
    margin-bottom: 16px;
}

.form-input,
.form-field__input {
    width: 100%;
    height: 80px;
    padding: 28px 24px 12px;
    background: var(--bg-input);
    border: 2px solid transparent;
    border-radius: var(--radius-input);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
    transition: border-color var(--transition-base), background var(--transition-base);
}

.form-input::placeholder,
.form-field__input::placeholder {
    color: transparent;
}

.form-input:focus,
.form-field__input:focus {
    border-color: var(--accent);
    background: var(--bg-card);
    outline: none;
}

.form-input:hover:not(:focus),
.form-field__input:hover:not(:focus) {
    border-color: var(--border-light);
}

.form-label,
.form-field__label {
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--text-muted);
    pointer-events: none;
    transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
    font-weight: 500;
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label,
.form-field__input:focus + .form-field__label,
.form-field__input:not(:placeholder-shown) + .form-field__label {
    top: 18px;
    font-size: 12px;
    color: var(--text-secondary);
    transform: translateY(0);
}

.form-input--error,
.form-field__input--error {
    border-color: var(--error);
}

.form-input--success {
    border-color: var(--success);
}

.form-error,
.form-field__error {
    font-size: 13px;
    color: var(--error);
    margin-top: 8px;
    padding-left: 24px;
}

.form-hint {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
    padding-left: 24px;
}

/* Textarea variant */
.form-input--textarea {
    height: 160px;
    resize: vertical;
    padding-top: 36px;
}

/* Select variant */
.form-select {
    width: 100%;
    height: 80px;
    padding: 28px 48px 12px 24px;
    background: var(--bg-input);
    border: 2px solid transparent;
    border-radius: var(--radius-input);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 500;
    transition: border-color var(--transition-base);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23666666' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 24px center;
}

.form-select:focus {
    border-color: var(--accent);
    outline: none;
}

/* Form field wrapper (alt naming) */
.form-field {
    position: relative;
    margin-bottom: 0;
}

/* ----------------------------------------------------------------
   15. CUSTOM CHECKBOXES
   ---------------------------------------------------------------- */
.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    user-select: none;
}

.checkbox__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox__box {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
    margin-top: 1px;
}

.checkbox__input:checked + .checkbox__box {
    background: var(--accent);
    border-color: var(--accent);
}

.checkbox__box::after {
    content: '';
    width: 10px;
    height: 6px;
    border: 2px solid transparent;
    border-top: none;
    border-right: none;
    transform: rotate(-45deg) translateY(-1px);
}

.checkbox__input:checked + .checkbox__box::after {
    border-color: #fff;
}

.checkbox__input:focus-visible + .checkbox__box {
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.checkbox__label,
.checkbox__text {
    flex: 1;
}

.checkbox__label a,
.checkbox__text a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.checkbox__label a:hover,
.checkbox__text a:hover {
    color: var(--text-primary);
}

/* ----------------------------------------------------------------
   16. BUTTONS — unified .btn system
   ---------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--btn-gap);
    height: var(--btn-height-md);
    padding: var(--btn-padding-md);
    border-radius: var(--btn-radius-md);
    font-family: 'Gilroy', 'Inter', sans-serif;
    font-size: var(--btn-font-md);
    font-weight: var(--btn-font-weight);
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-primary);
    transition: background-color var(--transition-base),
                border-color var(--transition-base),
                color var(--transition-base);
    box-sizing: border-box;
}
.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Sizes */
.btn--sm {
    height: var(--btn-height-sm);
    padding: var(--btn-padding-sm);
    font-size: var(--btn-font-sm);
    border-radius: var(--btn-radius-sm);
}
.btn--lg {
    height: var(--btn-height-lg);
    padding: var(--btn-padding-lg);
    font-size: var(--btn-font-lg);
    border-radius: var(--btn-radius-lg);
}
.btn--full { width: 100%; }

/* Variants */
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover:not(:disabled) { background: var(--accent-hover); color: #fff; }

.btn--secondary { background: var(--bg-input); color: var(--text-primary); }
.btn--secondary:hover:not(:disabled) { background: var(--border-light); color: var(--text-primary); }

.btn--outline { background: transparent; color: var(--text-secondary); border-color: var(--border-light); }
.btn--outline:hover:not(:disabled) { color: var(--text-primary); border-color: var(--text-secondary); }

.btn--tertiary {
    height: auto;
    padding: 4px 0;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    border-radius: 0;
}
.btn--tertiary:hover:not(:disabled) { color: var(--text-primary); }

/* Contextual overrides (kept scoped, not variants) */
.sub-card__pay-btn { background: #fff; color: var(--accent); }
.sub-card__pay-btn:hover:not(:disabled) { background: rgba(255,255,255,0.9); color: var(--accent); }

.dashboard__footer-actions {
    display: flex;
    justify-content: center;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

/* Floating CTA — fluid sizing so Full HD and 2K get visibly different widths */
.floating-cta__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 0 clamp(24px, 2.8vw, 56px);
    min-width: clamp(260px, 22vw, 560px);
    height: clamp(52px, 4vw, 88px);
    background: var(--accent);
    color: #fff;
    border-radius: 20px;
    font-family: 'Gilroy', 'Inter', sans-serif;
    font-size: clamp(13px, 0.95vw, 20px);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-decoration: none;
    transition: background-color var(--transition-base);
}
.floating-cta__btn:hover { background: var(--accent-hover); color: #fff; }

/* ----------------------------------------------------------------
   17. PRICE DISPLAY
   ---------------------------------------------------------------- */
.price {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price__current,
.payment-price__amount {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
}

.price__period,
.payment-price__period {
    font-size: 16px;
    color: var(--text-muted);
    font-weight: 500;
}

.price__old,
.payment-price__old {
    font-size: 20px;
    color: var(--text-muted);
    text-decoration: line-through;
}

.price__discount,
.payment-price__discount {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
}

/* Smaller price variant */
.price--sm .price__current {
    font-size: 24px;
}

.price--sm .price__period {
    font-size: 14px;
}

/* Payment price block */
.payment-price {
    text-align: center;
    margin-bottom: 24px;
}

/* ----------------------------------------------------------------
   22. ALERTS
   ---------------------------------------------------------------- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 24px;
    border-radius: var(--radius-md);
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 16px;
}

.alert__icon {
    min-width: 22px;
    display: flex;
    align-items: center;
    margin-top: 1px;
}

.alert--success {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    color: var(--success);
}
.alert-success {
    background: rgba(76,175,80,0.15);
    color: #4CAF50;
    border: 1px solid rgba(76,175,80,0.3);
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
}

.alert--error {
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.3);
    color: var(--error);
}
.alert-error {
    background: rgba(229,57,53,0.15);
    color: var(--accent);
    border: 1px solid rgba(229,57,53,0.3);
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
}

.alert--warning {
    background: rgba(255, 152, 0, 0.1);
    border: 1px solid rgba(255, 152, 0, 0.3);
    color: var(--warning);
}

.alert--info {
    background: rgba(33, 150, 243, 0.1);
    border: 1px solid rgba(33, 150, 243, 0.3);
    color: var(--info);
}

.alert__content {
    flex: 1;
}

.alert__title {
    font-weight: 700;
    margin-bottom: 4px;
}

.alert__dismiss {
    cursor: pointer;
    background: none;
    border: none;
    color: inherit;
    opacity: 0.6;
    transition: opacity var(--transition-base);
    padding: 0;
    min-width: 20px;
}

.alert__dismiss:hover {
    opacity: 1;
}

/* Flash messages (server-side) */
.flash-messages {
    position: fixed;
    top: calc(var(--navbar-height) + 16px);
    right: 16px;
    z-index: 250;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 400px;
}

/* ----------------------------------------------------------------
   23. FOOTER
   ---------------------------------------------------------------- */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(42, 42, 42, 0.5);
    margin-top: 80px;
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

.footer__links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer__link {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

.footer__copy {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-info {
    margin-bottom: 24px;
}

.footer-years {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.footer-legal {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.footer-contact {
    font-size: 13px;
    color: var(--text-muted);
}

.footer-contact a {
    color: var(--text-secondary);
    text-decoration: underline;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding-top: 20px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.footer-link-outline {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    color: var(--text-secondary);
    font-size: 13px;
    text-decoration: none;
    transition: border-color 0.2s;
}

.footer-link-outline:hover {
    border-color: var(--text-secondary);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    color: var(--text-muted);
    transition: color 0.2s;
}

.footer-social a:hover {
    color: var(--text-primary);
}

.footer-social-link {
    display: inline-flex;
    align-items: center;
    color: var(--text-muted);
    transition: color 0.2s;
}

.footer-social-link:hover {
    color: var(--text-primary);
}

.footer-social-link svg {
    width: 24px;
    height: 24px;
}

/* ----------------------------------------------------------------
   26. SUCCESS / FAIL PAGES
   ---------------------------------------------------------------- */
.result-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--container-padding);
    background:
        radial-gradient(ellipse 600px 400px at 20% 30%, rgba(229,57,53,0.08), transparent),
        radial-gradient(ellipse 500px 500px at 80% 70%, rgba(229,57,53,0.05), transparent);
}

.result-page .result-card {
    background: rgba(26,26,26,0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 48px 40px;
}

.result-page__content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.result-page__icon {
    font-size: 72px;
    margin-bottom: 24px;
}

.result-page__title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.result-page__text {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 480px;
    line-height: 1.6;
}

.result-page--success .result-page__icon {
    color: var(--success);
}

.result-page--fail .result-page__icon {
    color: var(--error);
}

/* ----------------------------------------------------------------
   27. RADIO BUTTONS (Payment Method)
   ---------------------------------------------------------------- */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 15px;
    color: var(--text-primary);
    user-select: none;
}

.radio__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio__circle {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
}

.radio__input:checked + .radio__circle {
    border-color: var(--accent);
}

.radio__circle::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: transparent;
    transition: background var(--transition-base);
}

.radio__input:checked + .radio__circle::after {
    background: var(--accent);
}

/* ----------------------------------------------------------------
   28. LOADING / SPINNER
   ---------------------------------------------------------------- */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.spinner--sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.spinner--lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

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

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

/* ----------------------------------------------------------------
   29. TOOLTIP
   ---------------------------------------------------------------- */
.tooltip {
    position: relative;
}

.tooltip__content {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 14px;
    background: var(--bg-block);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-primary);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
    z-index: 50;
}

.tooltip:hover .tooltip__content {
    opacity: 1;
    visibility: visible;
}

/* ----------------------------------------------------------------
   30. DIVIDER
   ---------------------------------------------------------------- */
.divider {
    height: 1px;
    background: var(--border-color);
    border: none;
    margin: 24px 0;
}

.divider--thick {
    height: 2px;
}

.divider--spaced {
    margin: 40px 0;
}

/* ----------------------------------------------------------------
   31. PAYMENT FORM WRAPPER
   ---------------------------------------------------------------- */
.payment-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-block);
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.payment-form__price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.payment-form__price-tab {
    text-align: center;
}

.payment-form__price-amount {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
}

.payment-form__price-period {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

.payment-form__checkboxes {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.payment-form__disclaimer {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 8px;
    line-height: 1.5;
}

/* ----------------------------------------------------------------
   32. PAYMENT METHOD SELECTION
   ---------------------------------------------------------------- */
.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.payment-method-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-input);
    border: 2px solid transparent;
    border-radius: var(--radius-input);
    cursor: pointer;
    transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
}

.payment-method-card:hover {
    border-color: var(--border-light);
}

.payment-method-card--selected {
    border-color: var(--accent);
    background: rgba(229, 57, 53, 0.05);
}

.payment-method-card__icon {
    font-size: 28px;
}

.payment-method-card__info {
    flex: 1;
}

.payment-method-card__name {
    font-size: 16px;
    font-weight: 600;
}

.payment-method-card__desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ----------------------------------------------------------------
   33. SKELETON LOADER
   ---------------------------------------------------------------- */
.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-input) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

.skeleton--text {
    height: 16px;
    width: 100%;
    border-radius: 8px;
}

.skeleton--title {
    height: 28px;
    width: 60%;
    border-radius: 8px;
}

.skeleton--card {
    height: 200px;
    border-radius: var(--radius-faq);
}

.skeleton--avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
}

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

/* ----------------------------------------------------------------
   34. SCROLL TO TOP
   ---------------------------------------------------------------- */
.scroll-top {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
    cursor: pointer;
}

.scroll-top--visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--bg-input);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ----------------------------------------------------------------
   35. UTILITIES -- Text
   ---------------------------------------------------------------- */
.text-primary { color: var(--accent) !important; }
.text-white { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-accent { color: var(--accent) !important; }
.text-success { color: var(--success) !important; }
.text-error { color: var(--error) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.text-uppercase { text-transform: uppercase !important; letter-spacing: 1px; }
.text-sm { font-size: 14px !important; }
.text-xs { font-size: 12px !important; }
.text-lg { font-size: 18px !important; }
.text-xl { font-size: 24px !important; }
.text-bold { font-weight: 700 !important; }
.text-semibold { font-weight: 600 !important; }
.text-normal { font-weight: 400 !important; }
.text-nowrap { white-space: nowrap !important; }
.text-strike { text-decoration: line-through !important; }
.text-underline { text-decoration: underline; text-underline-offset: 4px; }

/* ----------------------------------------------------------------
   36. UTILITIES -- Spacing (4px step: mt-1=4px, mt-2=8px ... mt-8=32px)
   ---------------------------------------------------------------- */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 4px !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 12px !important; }
.mt-4 { margin-top: 16px !important; }
.mt-5 { margin-top: 20px !important; }
.mt-6 { margin-top: 24px !important; }
.mt-7 { margin-top: 28px !important; }
.mt-8 { margin-top: 32px !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 4px !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 12px !important; }
.mb-4 { margin-bottom: 16px !important; }
.mb-5 { margin-bottom: 20px !important; }
.mb-6 { margin-bottom: 24px !important; }
.mb-7 { margin-bottom: 28px !important; }
.mb-8 { margin-bottom: 32px !important; }

.ml-0 { margin-left: 0 !important; }
.ml-1 { margin-left: 4px !important; }
.ml-2 { margin-left: 8px !important; }
.ml-3 { margin-left: 12px !important; }
.ml-4 { margin-left: 16px !important; }

.mr-0 { margin-right: 0 !important; }
.mr-1 { margin-right: 4px !important; }
.mr-2 { margin-right: 8px !important; }
.mr-3 { margin-right: 12px !important; }
.mr-4 { margin-right: 16px !important; }

.pt-0 { padding-top: 0 !important; }
.pt-4 { padding-top: 16px !important; }
.pt-8 { padding-top: 32px !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-4 { padding-bottom: 16px !important; }
.pb-8 { padding-bottom: 32px !important; }

.p-0 { padding: 0 !important; }
.p-4 { padding: 16px !important; }
.p-6 { padding: 24px !important; }
.p-8 { padding: 32px !important; }

.gap-1 { gap: 4px !important; }
.gap-2 { gap: 8px !important; }
.gap-3 { gap: 12px !important; }
.gap-4 { gap: 16px !important; }
.gap-6 { gap: 24px !important; }
.gap-8 { gap: 32px !important; }

/* ----------------------------------------------------------------
   37. UTILITIES -- Display & Layout
   ---------------------------------------------------------------- */
.hidden { display: none !important; }
.block { display: block !important; }
.inline { display: inline !important; }
.inline-block { display: inline-block !important; }
.flex { display: flex !important; }
.inline-flex { display: inline-flex !important; }
.grid { display: grid !important; }

.flex-col { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-1 { flex: 1 !important; }

.items-center { align-items: center !important; }
.items-start { align-items: flex-start !important; }
.items-end { align-items: flex-end !important; }
.items-stretch { align-items: stretch !important; }

.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.justify-start { justify-content: flex-start !important; }
.justify-end { justify-content: flex-end !important; }

.w-full { width: 100% !important; }
.h-full { height: 100% !important; }
.min-h-screen { min-height: 100vh !important; }

.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }

.relative { position: relative !important; }
.absolute { position: absolute !important; }
.sticky { position: sticky !important; }

/* ----------------------------------------------------------------
   38. UTILITIES -- Visibility & Accessibility
   ---------------------------------------------------------------- */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.opacity-0 { opacity: 0 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-100 { opacity: 1 !important; }

.pointer-events-none { pointer-events: none !important; }

.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }

/* ----------------------------------------------------------------
   39. UTILITIES -- Borders & Radius
   ---------------------------------------------------------------- */
.rounded { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-faq) !important; }
.rounded-2xl { border-radius: var(--radius-auth) !important; }
.rounded-full { border-radius: 9999px !important; }

.border { border: 1px solid var(--border-color) !important; }
.border-0 { border: none !important; }

/* ----------------------------------------------------------------
   40. RESPONSIVE -- MOBILE FIRST
   ---------------------------------------------------------------- */

/* Mobile (default, <768px) */
@media (max-width: 767px) {
    :root {
        --container-padding: 16px;
        --section-gap: 80px;
    }

    .hero {
        padding-top: 120px;
        padding-bottom: 80px;
        min-height: auto;
    }

    .hero__title {
        font-size: 26px;
        line-height: 1.4;
    }

    .hero__subtitle {
        font-size: 17px;
        margin-top: 24px;
    }

    .section-title {
        font-size: 28px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section {
        padding: 60px 0;
    }

    /* Products grid -- single column */
    .products-grid {
        grid-template-columns: 1fr;
    }

    .product-card {
        border-radius: 28px;
    }

    /* Payment section -- single column */
    .payment-section {
        grid-template-columns: 1fr;
    }

    .payment-form-wrapper {
        position: static;
    }

    .payment-form {
        border-radius: 32px;
        padding: 28px 20px;
    }

    .payment-product {
        border-radius: 32px;
        padding: 20px;
        flex-direction: column;
        align-items: flex-start;
    }

    .payment-product__image {
        width: 80px;
        height: 80px;
        min-width: 80px;
        border-radius: var(--radius-faq);
    }

    /* Form */
    .form-input,
    .form-field__input {
        height: 68px;
    }
    :root { --btn-height-lg: 68px; }

    /* Tariff switch */
    .tariff-switch {
        width: 100%;
    }

    .tariff-switch__tab {
        flex: 1;
        text-align: center;
        padding: 12px 16px;
        font-size: 14px;
    }

    /* FAQ */
    .faq-card__header {
        padding: 20px;
    }

    .faq-card__question {
        font-size: 15px;
    }

    .faq-card__answer {
        padding: 0 20px 20px;
    }


    .dashboard__title {
        font-size: 26px;
    }

    /* Floating CTA */
    .floating-cta {
        bottom: 20px;
    }

    .floating-cta__btn {
        padding: 0 28px;
        font-size: 13px;
        letter-spacing: 1.5px;
        height: 48px;
    }

    .floating-cta__tg {
        width: 48px;
        height: 48px;
    }

    /* Slider items */
    .result-card,
    .slider-card {
        width: 260px;
    }

    .slider-card__placeholder {
        width: 260px;
        height: 200px;
    }

    .story-card {
        width: 180px;
        flex: 0 0 180px;
    }

    .story-card__placeholder {
        width: 180px;
        height: 320px;
    }

    /* Modal */
    .modal {
        padding: 28px 24px;
        border-radius: var(--radius-lg);
        margin: 16px;
    }

    /* Table -- horizontal scroll */
    .table th,
    .table td {
        padding: 12px 14px;
        font-size: 13px;
    }

    /* Price */
    .price__current,
    .payment-price__amount {
        font-size: 28px;
    }

    .payment-form__price-amount {
        font-size: 26px;
    }

    /* User info */
    .user-info {
        flex-direction: column;
        text-align: center;
    }

    /* Sub card info */
    .sub-card__info {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    /* Footer */
    .footer__links {
        flex-direction: column;
        gap: 12px;
    }

    /* Flash messages */
    .flash-messages {
        left: 16px;
        right: 16px;
        max-width: none;
    }
}

/* Small mobile (<480px) */
@media (max-width: 480px) {
    .hero__title {
        font-size: 26px;
    }

    .section-title {
        font-size: 24px;
    }

    .tariff-switch__tab {
        padding: 12px 20px;
        font-size: 14px;
    }

    .payment-price__amount,
    .payment-form__price-amount {
        font-size: 26px;
    }

    .form-input,
    .form-field__input {
        height: 60px;
    }
    :root { --btn-height-lg: 60px; }
}

/* Tablet (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .hero__title {
        font-size: 44px;
    }

    .section-title {
        font-size: 32px;
    }

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

    .payment-section {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .payment-form-wrapper {
        position: static;
    }



    .product-card {
        border-radius: 32px;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .payment-section {
        grid-template-columns: 1fr 1fr;
    }
}

/* Large Desktop (1400px+) */
@media (min-width: 1400px) {
    .hero__title {
        font-size: 64px;
    }

    .section-title {
        font-size: 40px;
    }
}

/* ----------------------------------------------------------------
   41. MOBILE VISIBILITY HELPERS
   ---------------------------------------------------------------- */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

@media (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }

    .show-mobile {
        display: block !important;
    }
}

.hide-tablet {
    display: block;
}

.show-tablet {
    display: none;
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hide-tablet {
        display: none !important;
    }

    .show-tablet {
        display: block !important;
    }
}

/* ----------------------------------------------------------------
   42. FOCUS STYLES (Accessibility)
   ---------------------------------------------------------------- */
*:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ----------------------------------------------------------------
   43. PRINT STYLES
   ---------------------------------------------------------------- */
@media print {
    .navbar,
    .floating-cta,
    .scroll-top,
    .footer {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    .container {
        max-width: 100%;
    }
}

/* ----------------------------------------------------------------
   44. REDUCED MOTION
   ---------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ----------------------------------------------------------------
   45. MISC COMPONENT HELPERS
   ---------------------------------------------------------------- */

/* Empty state */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 24px;
    color: var(--text-muted);
}

.empty-state__icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state__text {
    font-size: 15px;
    max-width: 400px;
    line-height: 1.6;
}

/* Notification dot */
.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.dot--green { background: var(--success); }
.dot--red { background: var(--error); }
.dot--yellow { background: var(--warning); }
.dot--blue { background: var(--info); }

.dot--pulse {
    animation: dashPulseDot 2s ease-in-out infinite;
}

/* Chip (close-able tag) */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-input);
    border-radius: var(--radius-tag);
    font-size: 13px;
    color: var(--text-primary);
}

.chip__remove {
    display: flex;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--transition-base);
    background: none;
    border: none;
    color: inherit;
    padding: 0;
}

.chip__remove:hover {
    opacity: 1;
}

/* Inline code */
.code {
    display: inline;
    padding: 2px 8px;
    background: var(--bg-input);
    border-radius: 6px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875em;
    color: var(--accent);
}

/* Avatar */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-input);
}

.avatar--sm { width: 32px; height: 32px; }
.avatar--lg { width: 56px; height: 56px; }
.avatar--xl { width: 80px; height: 80px; }

/* Link styled */
.link {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    transition: color var(--transition-base);
}

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

/* Gradient text utility */
.text-gradient {
    background: linear-gradient(135deg, var(--accent), #FF7043);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card hover lift (generic) */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

/* Section background variants */
.bg-primary { background-color: var(--bg-primary) !important; }
.bg-alt { background-color: var(--bg-alt) !important; }
.bg-card { background-color: var(--bg-card) !important; }
.bg-block { background-color: var(--bg-block) !important; }

/* Scrollbar styling for non-slider elements */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ----------------------------------------------------------------
   END OF FACTPAY DESIGN SYSTEM v3.0
   ---------------------------------------------------------------- */

.currency-switch {
    display: flex;
    background: #222;
    border-radius: 16px;
    padding: 4px;
    gap: 0;
}

.currency-switch__tab {
    flex: 1;
    padding: 16px 20px;
    text-align: center;
    border-radius: 12px;
    cursor: pointer;
    transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
    border: none;
    background: transparent;
}

.currency-switch__tab--active {
    background: var(--bg-input);
}

.currency-switch__tab:hover:not(.currency-switch__tab--active) {
    opacity: 0.8;
}

.currency-switch__label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.currency-switch__tab--active .currency-switch__label {
    color: var(--text-primary);
}

.currency-switch__price {
    display: block;
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    margin-top: 4px;
}

/* Shared V4 responsive overrides */
@media (max-width: 767px) {
    .navbar {
        padding: 20px 16px;
    }

    .navbar--scrolled {
        padding: 12px 16px;
    }

    .navbar-login {
        font-size: 11px;
    }

    .currency-switch__price {
        font-size: 18px;
    }

    .currency-switch__label {
        font-size: 13px;
    }

    .currency-switch__tab {
        padding: 12px 16px;
    }

    .footer {
        padding: 32px 0;
        margin-top: 40px;
    }
}

@media (max-width: 480px) {
    .navbar { padding: 14px 12px; }
    .navbar-inner { gap: 8px; }
    .navbar-logo { font-size: 10px; letter-spacing: 2px; }
    .navbar-login { font-size: 10px; letter-spacing: 0.5px; }
}