/* ICEA — formatting from kpi99 (Manrope, nav, hero, colors #333, #334155, #3b82f6, #fafafa) */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fafafa;
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* Navigation — KPI99 format */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

nav .container {
    padding: 20px;
}

nav .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav .logo {
    display: flex;
    align-items: center;
    height: 40px;
    text-decoration: none;
}

nav .logo img {
    height: 40px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    display: block;
}

nav .logo:hover img {
    opacity: 0.85;
}

nav .nav-product {
    font-size: 0.95rem;
    font-weight: 600;
    color: #3b82f6;
}

@media (max-width: 768px) {
    nav .logo img {
        height: 32px;
        max-width: 120px;
    }
}

/* Header / Hero — KPI99 format (gradient + panAbstract) */
.hero {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.7) 0%, rgba(59, 130, 246, 0.6) 100%),
                url('/panAbstract.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.hero .tagline {
    font-size: 1.25rem;
    font-weight: 500;
    opacity: 0.95;
    max-width: 560px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    .hero .tagline {
        font-size: 1rem;
    }
}

/* Main content */
.content-section {
    padding: 48px 0 80px;
}

.intro {
    font-size: 1.05rem;
    color: #64748b;
    margin-bottom: 2rem;
    max-width: 640px;
    line-height: 1.65;
}

/* Two-column layout: form (main) | preview + tiers (sidebar) */
.page-layout {
    display: block;
    margin-top: 1.5rem;
}
@media (min-width: 960px) {
    .page-layout {
        display: grid;
        grid-template-columns: 1fr 360px;
        gap: 2rem;
        align-items: start;
    }
    .page-layout__sidebar {
        position: sticky;
        top: 90px;
    }
}
.sidebar__stack {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.page-layout__main {
    min-width: 0;
}

/* Two paths: Path 1 (sizing) and Path 2 (event log) */
.path {
    margin-bottom: 2.5rem;
    padding: 1.5rem 1.25rem;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}
.path-1 {
    border-left: 4px solid #3b82f6;
}
.path-2 {
    border-left: 4px solid #0f766e;
}
.path__header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}
.path__badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #fff;
    background: #1e3a8a;
    padding: 0.3rem 0.65rem;
    border-radius: 6px;
    margin-bottom: 0.6rem;
}
.path-2 .path__badge {
    background: #0f766e;
}
.path-overview {
    border-left: 4px solid #3b82f6;
}
.path__badge--overview {
    background: #1e3a8a;
}
.path__title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 0.4rem 0;
}
.path__desc {
    font-size: 0.95rem;
    color: #64748b;
    margin: 0;
    line-height: 1.55;
}
/* Two ways to analyze — compact, no step counter */
.instructions-list--paths {
    list-style: none;
    padding-left: 0;
    margin: 0;
    counter-reset: none;
    display: block;
}
.instructions-list--paths .instructions-step {
    margin-bottom: 0.75rem;
    padding: 0.6rem 0 0.6rem 1.5rem;
    position: relative;
    line-height: 1.55;
    font-size: 0.95rem;
    color: #475569;
    border: none;
    box-shadow: none;
    background: transparent;
}
.instructions-list--paths .instructions-step::before {
    content: '—';
    position: absolute;
    left: 0;
    color: #94a3b8;
    font-weight: 400;
    width: auto;
    height: auto;
    border-radius: 0;
    background: none;
    line-height: inherit;
    font-size: 0.9rem;
}
.instructions-list--paths .instructions-step:last-child {
    margin-bottom: 0;
}
.instructions-list--paths .instructions-step:hover {
    border-color: transparent;
    box-shadow: none;
}
.instructions--compact .instructions__title { display: none; }
.instructions--compact .instructions.card {
    padding: 1.25rem 1.5rem;
}
.instructions__lead {
    font-weight: 600;
    color: #334155;
    margin: 0 0 0.6rem 0;
    font-size: 1rem;
}
.instructions-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
}
.instructions-link:hover {
    text-decoration: underline;
}

/* Optional metrics block — collapsible details */
.optional-metrics-block {
    margin-top: 1rem;
    padding: 1rem 1.25rem;
    border-radius: 10px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}
.optional-metrics-block[open] .optional-metrics-heading { margin-bottom: 0.25rem; }
.optional-metrics-heading {
    font-size: 1rem;
    font-weight: 600;
    color: #475569;
    margin: 0;
    cursor: pointer;
    list-style: none;
}
.optional-metrics-heading::-webkit-details-marker { display: none; }
.optional-metrics-heading::before {
    content: '▸ ';
    display: inline-block;
    transition: transform 0.2s;
}
.optional-metrics-block[open] .optional-metrics-heading::before { transform: rotate(90deg); }
.optional-metrics-desc {
    font-size: 0.875rem;
    color: #64748b;
    margin: 0 0 0.75rem 0;
}
.optional-metrics-block .row {
    margin-bottom: 0.9rem;
}
.optional-metrics-block .row:last-child,
.optional-metrics-block .row.two-cols:last-of-type .row {
    margin-bottom: 0;
}

.form-block {
    margin-top: 1.5rem;
}

.card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.form h2,
.preview h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e3a8a;
    margin: 1.5rem 0 0.75rem 0;
    position: relative;
    display: inline-block;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid #e2e8f0;
}
.form h2:first-of-type,
.preview h2:first-of-type {
    margin-top: 0;
    border-bottom: none;
    padding-bottom: 0;
}
.form h2 + .row { margin-top: 0; }

.form h2::after,
.preview h2::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 48px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    border-radius: 2px;
}

.row {
    margin-bottom: 1rem;
}

.row label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #334155;
    margin-bottom: 0.35rem;
}
.row label .optional {
    font-weight: 400;
    color: #94a3b8;
    font-size: 0.8rem;
}

.row input,
.row select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    font-family: 'Manrope', sans-serif;
    font-size: 0.95rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    color: #1e293b;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.row input:focus,
.row select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.row.two-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 520px) {
    .row.two-cols {
        grid-template-columns: 1fr;
    }
}

.actions {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Buttons — KPI99 format */
.btn {
    padding: 14px 28px;
    font-family: 'Manrope', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: #fff;
    color: #334155;
    border: 1px solid #e2e8f0;
}

.btn-secondary:hover:not(:disabled) {
    border-color: #3b82f6;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Preview card */
.preview {
    border-left: 4px solid #3b82f6;
}

.preview--sidebar .preview-grid {
    grid-template-columns: 1fr;
}

.preview.hidden {
    display: none;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.25rem;
}

.preview-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.preview-label {
    font-size: 0.8rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.preview-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1e293b;
}

#preview-score {
    color: #3b82f6;
}

.risk-notes {
    margin-top: 1rem;
    padding: 0.85rem;
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #1e293b;
}

.risk-notes.hidden {
    display: none;
}

.risk-notes ul {
    margin: 0;
    padding-left: 1.25rem;
}

/* How to use — beautified step list */
.instructions.card {
    border-left: 4px solid #3b82f6;
    background: linear-gradient(to right, #f8fafc 0%, #ffffff 12%);
    padding: 1.5rem 1.75rem;
}

.instructions__title {
    margin-top: 0;
    margin-bottom: 1.25rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: #1e3a8a;
    letter-spacing: -0.01em;
}

.instructions__title::after {
    content: '';
    display: block;
    width: 48px;
    height: 4px;
    margin-top: 0.5rem;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    border-radius: 2px;
}

.instructions-list {
    list-style: none;
    counter-reset: step;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 1rem;
}

@media (min-width: 640px) {
    .instructions-list:not(.instructions-list--paths) {
        grid-template-columns: 1fr 1fr;
        gap: 1.25rem;
    }
}

.instructions-step {
    counter-increment: step;
    position: relative;
    padding: 1rem 1rem 1rem 3.25rem;
    margin: 0;
    background: #fff;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.instructions-step:hover {
    border-color: #c7dbff;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.08);
}

.instructions-step::before {
    content: counter(step);
    position: absolute;
    left: 1rem;
    top: 1rem;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.75rem;
    text-align: center;
    font-family: 'Manrope', sans-serif;
}

.instructions-step__text {
    display: block;
    color: #334155;
    line-height: 1.55;
    font-size: 0.95rem;
}

.instructions-step__text strong {
    color: #1e293b;
    font-weight: 600;
}

/* Pricing tiers */
.pricing h2 {
    margin-top: 0;
}
.pricing .tier-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}
.tier-card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: left;
    transition: box-shadow 0.2s, border-color 0.2s;
}
.tier-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.12);
}
.tier-card h3 {
    font-size: 1.1rem;
    color: #1e3a8a;
    margin-bottom: 0.5rem;
}
.tier-price {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1e293b;
}
.tier-price span {
    font-size: 0.9rem;
    font-weight: 500;
    color: #64748b;
}
.tier-desc,
.tier-features {
    font-size: 0.9rem;
    color: #64748b;
    margin: 0.75rem 0 1rem 0;
}
.tier-features {
    list-style: none;
    padding-left: 0;
}
.tier-features li {
    padding: 0.2rem 0;
    padding-left: 1.25rem;
    position: relative;
}
.tier-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #3b82f6;
    font-weight: 700;
}
.btn-tier {
    width: 100%;
    margin-top: 0.5rem;
}

.tier-card-demo {
    border-style: dashed;
    border-color: #94a3b8;
}
.tier-card-demo h3 { color: #64748b; }
.tier-card-demo code { font-size: 0.8rem; background: #f1f5f9; padding: 0.15rem 0.35rem; border-radius: 4px; }

/* Sidebar: stacked tier cards (compact) */
.pricing--sidebar .tier-cards--stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.75rem;
}
.pricing--sidebar .tier-card {
    padding: 1rem 1.25rem;
}
.pricing--sidebar .tier-card h3 { font-size: 1rem; }
.pricing--sidebar .tier-price { font-size: 1.15rem; }
.pricing--sidebar .tier-desc { font-size: 0.85rem; margin: 0.35rem 0 0.5rem 0; }
.pricing--sidebar .btn-tier { margin-top: 0.35rem; padding: 10px 16px; font-size: 0.9rem; }

/* Path 2: workflow steps */
.eventlog-steps {
    font-size: 0.9rem;
    color: #475569;
    margin: 0 0 1.25rem 0;
    padding-left: 1.35rem;
    line-height: 1.6;
}
.eventlog-steps li { margin-bottom: 0.35rem; }
.eventlog-steps code { font-size: 0.85em; background: #f1f5f9; padding: 0.1rem 0.3rem; border-radius: 4px; }

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal.hidden {
    display: none;
}
.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}
.modal-content {
    position: relative;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    padding: 1.75rem;
    max-width: 440px;
    width: 100%;
}
.modal-content h3 {
    font-size: 1.25rem;
    color: #1e3a8a;
    margin-bottom: 1rem;
}
.modal-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
}
.modal-actions .btn { flex: 1; }
textarea {
    width: 100%;
    padding: 0.65rem 0.85rem;
    font-family: 'Manrope', sans-serif;
    font-size: 0.95rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    resize: vertical;
}

.disclaimer {
    font-size: 0.85rem;
    color: #64748b;
    margin: 2rem 0 1rem;
}

.eventlog-section {
    margin-top: 0;
}
.path-2 .eventlog-section {
    margin-top: 0;
}

.eventlog-section h2 {
    margin-top: 0;
}
.eventlog-section h2::after {
    display: none;
}

.eventlog-intro {
    font-size: 0.95rem;
    color: #64748b;
    margin: 0.5rem 0 1.25rem 0;
    line-height: 1.5;
}

.eventlog-form__fields {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
@media (min-width: 520px) {
    .eventlog-form__fields {
        grid-template-columns: 1fr 200px;
        align-items: end;
    }
}

.eventlog-form__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.eventlog-result {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}
.eventlog-result.hidden {
    display: none !important;
}

.eventlog-result__summary {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.eventlog-result__stat {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.75rem 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.eventlog-result__label {
    font-size: 0.75rem;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.eventlog-result__value {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1e293b;
}

.eventlog-result__download {
    width: 100%;
}
@media (min-width: 380px) {
    .eventlog-result__download {
        width: auto;
    }
}

/* Footer — KPI99 format */
footer {
    background: #0f172a;
    color: white;
    padding: 40px 0;
    margin-top: auto;
}

footer .container {
    text-align: center;
}

footer .footer-tagline {
    margin-bottom: 12px;
    font-style: italic;
    opacity: 0.9;
}

footer p:last-child {
    font-size: 0.9rem;
    opacity: 0.85;
}

/* Errors */
.error-message {
    font-size: 0.9rem;
    color: #b91c1c;
    margin-bottom: 0.75rem;
}

.error-message.hidden {
    display: none;
}

.row.invalid input {
    border-color: #b91c1c;
}