/* =========================================
   Invoice Feature Page - Matching Reference
   ========================================= */

:root {
    --inv-primary: #0A192F;
    --inv-primary-hover: rgb(76, 62, 221);
    --inv-bg-light: #F8FAFC;
    --inv-bg-white: #FFFFFF;
    --inv-text-main: #0F172A;
    --inv-text-muted: #475569;
    --inv-border-radius: 20px;
    --inv-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Container --- */
.inv-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.inv-btn {
    display: inline-block;
    background-color: var(--inv-primary);
    color: white;
    padding: 16px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--inv-transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.2);
    text-align: center;
}

.inv-btn:hover {
    background-color: var(--inv-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(79, 70, 229, 0.3);
}

/* --- General Section Styles --- */
.inv-section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-inline: auto;
}

.inv-section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--inv-text-main);
}

.inv-section-header p {
    font-size: 1.15rem;
    color: var(--inv-text-muted);
}

/* --- Hero --- */

/* --- General Card Base --- */
.inv-detail-card {
    background-color: var(--primary-header-and-footer-logo);
    border-radius: var(--inv-border-radius);
    padding: 32px;
    border: 1px solid #dbe2f9;
    transition: var(--inv-transition);
    display: flex;
    flex-direction: column;
}



.inv-detail-icon {
    width: 56px;
    height: 56px;
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--inv-primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.inv-detail-icon--green {
    background-color: rgba(79, 70, 229, 0.1);
    color: var(--inv-primary);
}

.inv-detail-icon--green-solid {
    background-color: var(--inv-primary);
    color: white;
}

.inv-detail-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--inv-text-main);
}

.inv-detail-text {
    color: var(--inv-text-muted);
    font-size: 1rem;
    margin-bottom: 24px;
    flex-grow: 1;
    line-height: 1.7;
}

.inv-feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
}

.inv-feature-list li {
    position: relative;
    padding-right: 20px;
    margin-bottom: 10px;
    color: var(--inv-text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

.inv-feature-list li::before {
    content: "";
    position: absolute;
    right: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--inv-primary);
}

.inv-detail-image {
    background-color: #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    margin-top: auto;
}

.inv-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.inv-detail-link {
    display: inline-block;
    margin-top: 16px;
    color: var(--inv-primary);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.inv-detail-link:hover {
    color: var(--inv-primary-hover);
    text-decoration: underline;
}

/* --- Scroll Animation Classes --- */
.inv-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease-out;
}

.inv-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   LAYOUT 1: TABBED FEATURES
   ========================================= */
.inv-features-tabs {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.inv-tabs-nav {
    display: flex;
    gap: 12px;
    background-color: var(--primary-header-and-footer-logo);
    border: 1px solid #dbe2f9;
    border-radius: 12px;
    padding: 6px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.inv-tab-btn {
    flex: 1;
    padding: 14px 20px 8px;
    font-family: var(--font);
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    background-color: transparent;
    color: var(--primary-gray-text);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.inv-tab-btn span:first-child {
    font-size: inherit;
    font-weight: inherit;
    font-family: inherit;
}

.inv-tab-progress {
    display: block;
    width: 100%;
    height: 3px;
    background-color: transparent;
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.inv-tab-progress::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: var(--primary-button-color);
    border-radius: 2px;
    transform-origin: right;
}

.inv-tab-btn--active .inv-tab-progress::after {
    background-color: var(--primary-cta);

}
.inv-tab-btn--active span {
    color: var(--primary-cta);

}

.inv-tab-btn:not(.inv-tab-btn--active) .inv-tab-progress {
    visibility: hidden;

}

.inv-tab-pane {
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.inv-tab-pane--active {
    display: block;
    opacity: 1;
}

.inv-tab-pane__inner {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 32px;
    background-color: var(--primary-header-and-footer-logo);
    border: 1px solid #dbe2f9;
    border-radius: var(--inv-border-radius);
    padding: 40px;

}

.inv-tab-pane__info {
    width: 100%;
}

.inv-tab-pane__info h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--primary-dark-text);
    line-height: 1.4;
}

.inv-tab-pane__info p {
    font-size: 1rem;
    color: var(--primary-gray-text);
    line-height: 1.8;
    margin: 0;
    max-width: 40ch;
}

.inv-tab-pane__media {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background-color: #e2e8f0;
}

.inv-tab-pane__media img,
.inv-tab-pane__media video {
    width: 100%;
    height: auto;
    display: block;
}

/* =========================================
   LAYOUT 2: ZIG-ZAG (Control Section)
   ========================================= */
.inv-zigzag-layout {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.inv-zigzag-row {
    display: flex;
    align-items: center;
    gap: 60px;
}

.inv-zigzag-row:nth-child(even) {
    flex-direction: row-reverse;
}

.inv-zigzag-content {
    flex: 1;
}

.inv-zigzag-image {
    flex: 1;
    border-radius: var(--inv-border-radius);
    overflow: hidden;
    border: 1px solid #dbe2f9;
}

.inv-zigzag-image img {
    width: 100%;
    height: auto;
    display: block;
}

.inv-zigzag-content .inv-detail-icon {
    background-color: var(--primary-header-and-footer-logo);
    border: 1px solid #dbe2f9;
}

/* =========================================
   LAYOUT 4: 2-COLUMN CENTERED (AI Section)
   ========================================= */
.inv-ai-theme {
    background-color: var(--primary-background);
    color: var(--inv-text-main);
}

.inv-ai-theme .inv-section-header h2,
.inv-ai-theme .inv-section-header p,
.inv-ai-theme .inv-detail-title {
    color: var(--inv-text-main);
}

.inv-ai-theme .inv-detail-text {
    color: var(--inv-text-muted);
}

.inv-grid-two-cols {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    align-items: stretch;
    margin: 0 auto;
}

.inv-ai-theme .inv-detail-card {
    background-color: var(--primary-header-and-footer-logo);
    border: 1px solid #dbe2f9;
}

.inv-ai-theme .inv-detail-image {
    height: auto;
}

.inv-highlight-card {
    background-color: var(--primary-header-and-footer-logo) !important;
    border: 1px solid var(--primary-button-color) !important;
}

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 992px) {
    .inv-hero-title {
        font-size: 2.5rem;
    }

    .inv-section-header h2 {
        font-size: 2rem;
    }

    .inv-tab-pane__inner {
        flex-direction: column;
        padding: 12px;
    }
}

@media (max-width: 768px) {
    .inv-grid-two-cols {
        grid-template-columns: 1fr;
    }

    .inv-zigzag-row,
    .inv-zigzag-row:nth-child(even) {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .inv-zigzag-content .inv-detail-icon {
        margin: 0 auto 24px;
    }

    .inv-hero-title {
        font-size: 2rem;
    }

    .inv-tabs-nav {
        flex-direction: column;
    }

    .inv-tab-btn {
        font-size: 14px;
        padding: 12px 16px;
    }
}

@media (max-width: 480px) {
    .inv-hero-title {
        font-size: 1.6rem;
    }

    .inv-btn {
        padding: 12px 24px;
        font-size: 1rem;
    }
}

/* Scroll animation support - JS is in invoice-feature.html */

/* =========================================
   CTA FORM SECTION
   ========================================= */
.inv-cta-section {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.inv-cta-inner {
    display: flex;
    align-items: center;
    gap: 60px;
    background-color: var(--primary-header-and-footer-logo);
    border: 1px solid var(--primary-cta);
    border-radius: var(--inv-border-radius);
    padding: 48px;
}

.inv-cta-content {
    flex: 1;
    text-align: right;
}

.inv-cta-content h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--primary-dark-text);
    line-height: 1.4;
}

.inv-cta-content p {
    font-size: 1.05rem;
    color: var(--primary-gray-text);
    line-height: 1.8;
    margin-bottom: 12px;
}

.inv-cta-note {
    font-size: 14px;
    color: var(--primary-gray-text);
    margin-top: 16px;
}

.inv-cta-form-wrapper {
    flex: 1;
}

.inv-cta-form {
    width: 100%;
}

.inv-cta-fields {
    display: flex;
    flex-direction: column;

    gap: 16px;
    margin-bottom: 20px;
}

.inv-cta-field {
    width: 100%;
    text-align: right;
}

.inv-cta-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-dark-text);
    margin-bottom: 6px;
}

.inv-cta-required {
    color: #ef4444;
}

.inv-cta-input {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font);
    font-size: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background-color: #f8fafc;
    color: var(--primary-dark-text);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.inv-cta-input::placeholder {
    color: #94a3b8;
}

.inv-cta-input:focus {
    outline: none;
    border-color: var(--primary-button-color);
    box-shadow: 0 0 0 3px rgba(0, 71, 122, 0.1);
}

.inv-cta-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23475569' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 16px center;
    padding-left: 40px;
}

.inv-cta-response {
    display: none;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 500;
}

.inv-cta-response--success {
    background-color: #dcfce7;
    color: #166534;
    display: block;
}

.inv-cta-response--error {
    background-color: #fee2e2;
    color: #991b1b;
    display: block;
}

.inv-cta-submit {
    width: 100%;
    padding: 16px 32px;
    font-family: var(--font);
    font-size: 18px;
    font-weight: 700;
    background-color: var(--primary-cta);
    color: var(--primary-header-and-footer-logo);
    border: 1px solid var(--primary-cta);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.inv-cta-submit:hover {
    background-color: #e06a1f;
}

.inv-cta-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .inv-cta-inner {
        flex-direction: column;
        padding: 32px;
        gap: 32px;
    }

    .inv-cta-content {
        text-align: center;
    }

    .inv-cta-content h2 {
        font-size: 1.3rem;
    }

    .inv-cta-content p {
        font-size: 0.95rem;
    }

    .inv-cta-label {
        font-size: 13px;
    }

    .inv-cta-input {
        font-size: 14px;
        padding: 12px 14px;
    }

    .inv-cta-submit {
        font-size: 16px;
        padding: 14px 24px;
    }
}

/* --- Empathy Bridge Section --- */
.inv-empathy-theme {
    background-color: var(--primary-background);
    color: var(--inv-text-main);
}

.inv-empathy-theme .inv-section-header h2 {
    color: var(--inv-text-main);
}

.inv-empathy-theme .inv-section-header p {
    color: var(--inv-text-muted);
}

.inv-empathy-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.inv-empathy-card {
    position: relative;
    border-radius: var(--inv-border-radius);
    overflow: hidden;
    transition: var(--inv-transition);
}

.inv-empathy-card img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    display: block;
}

.inv-empathy-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 80%, transparent 100%);
}

.inv-empathy-text {
    font-size: 1rem;
    line-height: 1.7;
    color: #ffffff;
    margin: 0;
    font-weight: 600;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}


.inv-empathy-conclusion {
    margin-top: 48px;
    text-align: center;
    padding: 24px 32px;
    background-color: var(--primary-header-and-footer-logo);
    border: 1px solid #dbe2f9;
    border-radius: var(--inv-border-radius);
}

.inv-empathy-conclusion p {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--inv-text-main);
    margin: 0;
}

@media (max-width: 768px) {
    .inv-empathy-cards {
        grid-template-columns: 1fr;
    }
}

/* --- Mid CTA Banner --- */
.inv-mid-cta-theme {
    background-color: var(--primary-background);
}

.inv-mid-cta-box {
    background: linear-gradient(135deg, #ff7b26 0%, #e8600a 100%);
    border-radius: var(--inv-border-radius);
    padding: 60px 40px;
    text-align: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.inv-mid-cta-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
    line-height: 1.4;
}

.inv-mid-cta-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
    line-height: 1.7;
}

.inv-mid-cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.inv-mid-cta-btn {
    display: inline-block;
    background-color: #ffffff;
    color: #ff7b26;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: var(--inv-transition);
}

.inv-mid-cta-btn:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.inv-mid-cta-btn--outline {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.inv-mid-cta-btn--outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
}

@media (max-width: 768px) {
    .inv-mid-cta-box {
        padding: 40px 24px;
    }

    .inv-mid-cta-title {
        font-size: 1.4rem;
    }

    .inv-mid-cta-text {
        font-size: 1rem;
    }
}