/* Product pages — matched to ecain.org main site */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --ink: #0f172a;
    --ink-soft: #334155;
    --muted: #64748b;
    --line: #e2e8f0;
    --surface: #ffffff;
    --canvas: #f1f5f9;
    --accent: #0f4c81;
    --accent-hover: #0a3a63;
    --accent-soft: #e8f1f8;
    --code-bg: #0f172a;
    --code-border: #1e293b;
    --max-width: 1080px;
    --space: 1.5rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --radius: 6px;
    --font-sans: "Source Sans 3", "Segoe UI", sans-serif;
    --font-display: "Source Serif 4", Georgia, serif;
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-sans);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--ink-soft);
    background: var(--canvas);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
}

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

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space);
    z-index: 200;
    padding: 0.5rem 1rem;
    background: var(--ink);
    color: #fff;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.875rem;
}

.skip-link:focus-visible {
    top: 0.75rem;
}

/* —— Header —— */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 4rem;
}

.nav-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.02em;
}

.nav-brand:hover {
    color: var(--accent);
}

.nav-brand img,
.header-logo {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.15rem 0.25rem;
    list-style: none;
}

.nav-links a {
    display: block;
    padding: 0.4rem 0.7rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ink-soft);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    color: var(--accent);
}

/* —— Hero —— */
.page-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(165deg, #0b2744 0%, #0f4c81 48%, #1a6aa8 100%);
    color: #fff;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: linear-gradient(to bottom, black 55%, transparent 100%);
    pointer-events: none;
}

.page-hero-inner {
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: clamp(1.5rem, 3.5vw, 2.5rem) var(--space);
}

.page-hero h1,
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 4vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 0.35rem;
}

.hero-tagline,
.page-hero .tagline {
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 0.5rem;
}

.hero-lead {
    max-width: 40rem;
    font-size: 1rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.15rem;
}

.hero-meta {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 1rem;
}

.hero-actions,
.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.version-badge {
    display: inline-block;
    margin-top: 0.4rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: var(--radius);
}

/* —— Buttons —— */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.6rem 1.35rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.page-hero .btn,
.hero .btn {
    background: #fff;
    color: var(--accent);
}

.page-hero .btn:hover,
.hero .btn:hover {
    background: #f0f7fc;
    color: var(--accent-hover);
}

.page-hero .btn-secondary,
.hero .btn-secondary {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.45);
}

.page-hero .btn-secondary:hover,
.hero .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.7);
}

.btn-solid,
main .btn:not(.btn-secondary):not(.btn-outline) {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.btn-solid:hover,
main .btn:not(.btn-secondary):not(.btn-outline):hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
}

.btn-secondary,
.btn-outline {
    background: transparent;
    color: var(--accent);
    border-color: var(--line);
}

.btn-secondary:hover,
.btn-outline:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-hover);
}

/* —— Content layout —— */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 3rem) var(--space);
    flex: 1;
    width: 100%;
}

main {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(1.5rem, 4vw, 2.25rem);
}

section {
    margin-bottom: var(--space-lg);
}

section:last-child {
    margin-bottom: 0;
}

section h2 {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.5vw, 1.65rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--line);
    scroll-margin-top: 5rem;
}

section > h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--ink);
    margin: var(--space-md) 0 var(--space-sm);
}

section p {
    margin-bottom: 0.85rem;
    color: var(--ink-soft);
    line-height: 1.7;
}

/* Legacy in-card hero (docs pages without page-hero) */
.hero {
    text-align: left;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--line);
}

.hero .hero-lead {
    color: var(--ink-soft);
}

.hero .hero-meta {
    color: var(--muted);
}

code {
    background: var(--canvas);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    font-size: 0.88em;
    color: var(--ink);
}

pre {
    background: var(--code-bg);
    color: #f1f5f9;
    padding: var(--space);
    border-radius: var(--radius);
    border: 1px solid var(--code-border);
    overflow-x: auto;
    margin: var(--space-sm) 0;
}

pre code {
    background: none;
    padding: 0;
    color: inherit;
}

ul,
ol {
    margin-left: 1.25rem;
    margin-bottom: var(--space-sm);
}

li {
    margin-bottom: 0.35rem;
    color: var(--ink-soft);
}

.callout,
.feature-box,
.example-box {
    background: var(--canvas);
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    padding: var(--space);
    margin: var(--space) 0;
    border-radius: var(--radius);
}

.callout ul,
.callout ol {
    margin-bottom: 0;
}

.callout--warn {
    border-left-color: #b45309;
}

.tool-item {
    background: var(--canvas);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: var(--space-sm) var(--space);
    margin-bottom: var(--space-xs);
}

.tool-item h4 {
    color: var(--ink);
    font-size: 0.9375rem;
    margin-bottom: 0.15rem;
    font-weight: 600;
}

.tool-item p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--muted);
}

.screenshot-grid,
.screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space);
    margin-top: var(--space-sm);
}

.screenshot-item,
.screenshots figure {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
    margin: 0;
}

.screenshot-item img,
.screenshots img {
    width: 100%;
    height: auto;
    display: block;
    border-bottom: 1px solid var(--line);
}

.screenshot-caption,
.screenshots figcaption {
    padding: var(--space-sm) var(--space);
    font-size: 0.8125rem;
    color: var(--muted);
}

.screenshot-caption h3 {
    color: var(--ink);
    font-size: 0.9375rem;
    margin: 0 0 0.25rem;
    font-weight: 600;
}

.screenshot-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.upcoming-features {
    background: var(--canvas);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: var(--space-md);
    margin: var(--space) 0;
}

.upcoming-features h3 {
    color: var(--ink);
    margin-top: 0;
    font-size: 1.0625rem;
}

.toc {
    background: var(--canvas);
    padding: var(--space);
    border-radius: var(--radius);
    border: 1px solid var(--line);
    margin-bottom: var(--space-lg);
}

.toc h2 {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    border: none;
    padding: 0;
    margin-bottom: var(--space-sm);
}

.toc ul {
    list-style: none;
    margin: 0;
    columns: 2;
    column-gap: var(--space-lg);
}

.toc li {
    margin-bottom: 0.25rem;
    break-inside: avoid;
}

.toc a {
    color: var(--ink-soft);
    font-size: 0.9375rem;
}

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

main p a,
main li a,
.examples-more a,
.callout a,
.feature-card a,
.info-card a,
.download-section a:not(.btn) {
    color: var(--accent);
}

main p a:hover,
main li a:hover,
.examples-more a:hover,
.callout a:hover,
.feature-card a:hover,
.info-card a:hover {
    color: var(--accent-hover);
}

.examples-more {
    margin-top: var(--space);
    font-size: 0.9375rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    margin: 0 0 var(--space-lg);
}

.stat-box {
    background: var(--canvas);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: var(--space);
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.1;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-top: var(--space-xs);
}

.features-grid,
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space);
    margin-top: var(--space-sm);
}

.feature-card,
.info-card {
    background: var(--canvas);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: var(--space);
}

.feature-card h3,
.info-card h3 {
    font-family: var(--font-display);
    color: var(--ink);
    font-size: 1.05rem;
    margin: 0 0 var(--space-sm);
    font-weight: 600;
}

.feature-card ul {
    list-style: none;
    margin: 0;
}

.feature-card li {
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.875rem;
    line-height: 1.5;
}

.feature-card li:last-child {
    border-bottom: none;
}

.info-card p {
    font-size: 0.9375rem;
    margin-bottom: var(--space-xs);
}

.info-card p:last-child {
    margin-bottom: 0;
}

.download-section {
    background: var(--canvas);
    padding: var(--space-md);
    border-radius: var(--radius);
    margin: var(--space) 0 0;
    border: 1px solid var(--line);
    text-align: center;
}

.download-section h2 {
    font-family: var(--font-display);
    margin: 0 0 var(--space-sm);
    color: var(--ink);
    font-size: 1.25rem;
    font-weight: 600;
    border: none;
    padding: 0;
}

.download-section p {
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
}

.download-section .btn {
    margin: var(--space-sm) auto 0;
}

.back-link {
    display: inline-block;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
}

.main-logo {
    display: block;
    width: 72px;
    height: 72px;
    object-fit: contain;
    margin: 0 0 1.25rem;
}

.screenshots-hint {
    color: var(--muted);
    font-size: 0.9375rem;
}

/* —— Footer —— */
.site-footer {
    background: var(--ink);
    color: rgba(255, 255, 255, 0.7);
    padding: 1.75rem var(--space);
    margin-top: auto;
    text-align: center;
    font-size: 0.875rem;
}

.site-footer p {
    margin-bottom: 0.35rem;
    color: rgba(255, 255, 255, 0.7);
}

.site-footer p:last-child {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.5);
}

.site-footer a {
    color: #93c5fd;
}

.site-footer a:hover {
    color: #fff;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
        min-height: auto;
    }

    .nav-links {
        order: 3;
        width: 100%;
        border-top: 1px solid var(--line);
        padding-top: 0.35rem;
        margin-top: 0.15rem;
    }

    .nav-links a {
        padding: 0.55rem 0.55rem 0.55rem 0;
    }

    .toc ul {
        columns: 1;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn {
        width: 100%;
    }

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

.intro {
    margin-bottom: 1.75rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--line);
}

.intro-lead {
    max-width: 40rem;
    color: var(--ink-soft);
    margin-bottom: 1.25rem;
    line-height: 1.65;
}

.intro-meta {
    font-size: 0.875rem;
    color: var(--muted);
    margin-top: 1rem;
}

.download-hero {
    margin-bottom: 1.5rem;
}

.download-hero h2 {
    font-family: var(--font-display);
    color: var(--ink);
    border: none;
    padding: 0;
    margin-bottom: 0.5rem;
}