:root {
    --bg: #eef3eb;
    --bg-soft: #f4f7f2;
    --surface: #ffffff;
    --surface-strong: #f7f8f4;
    --ink: #1d2b24;
    --muted: #64736a;
    --line: #d8e0d4;
    --accent: #305c43;
    --accent-dark: #254938;
    --leaf: #305c43;
    --gold: #dfeadf;
    --shadow: 0 12px 28px rgba(39, 62, 44, 0.06);
    --radius: 22px;
    --radius-small: 16px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(99, 132, 104, 0.12), transparent 28%),
        linear-gradient(180deg, #f4f7f2 0%, #edf2ea 100%);
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    width: min(var(--container), calc(100% - 2rem));
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(244, 247, 242, 0.88);
    border-bottom: 1px solid rgba(31, 36, 29, 0.08);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 78px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.brand img {
    width: 52px;
    height: 52px;
    object-fit: contain;
}

.brand strong,
.hero h1,
.section-heading h2,
.section-heading h1,
.surface-title,
.module-card h3,
.gallery-card h3,
.license-card h3,
.detail-card h2,
.pricing-card h3,
.support-banner h2 {
    font-family: Georgia, "Times New Roman", serif;
}

.brand strong {
    display: block;
    font-size: 1.05rem;
}

.brand span {
    display: block;
    color: var(--muted);
    font-size: 0.84rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-nav a {
    color: var(--muted);
    font-weight: 600;
}

.site-nav a:hover,
.text-link:hover {
    color: var(--accent-dark);
}

.nav-toggle {
    display: none;
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: 999px;
    padding: 0.7rem 1rem;
    font: inherit;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 999px;
    padding: 0.95rem 1.35rem;
    font-weight: 700;
    border: 1px solid transparent;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-accent {
    background: linear-gradient(135deg, var(--accent), #3f7255);
    color: #fff;
    box-shadow: 0 12px 28px rgba(48, 92, 67, 0.16);
}

.button-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--ink);
    border-color: rgba(31, 36, 29, 0.12);
}

.button-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.32);
}

.button-small {
    padding: 0.7rem 1rem;
}

.hero {
    padding: 4.8rem 0 3rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
    align-items: center;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 1rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: #dfeadf;
    color: var(--leaf);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero h1,
.section-heading h1,
.section-heading h2 {
    margin: 0;
    line-height: 1.02;
    font-size: clamp(2.3rem, 4vw, 4.8rem);
}

.hero-text,
.section-heading p,
.module-card p,
.feature-card p,
.gallery-card p,
.license-card p,
.detail-card p,
.pricing-card p,
.support-banner p,
.site-footer p {
    color: var(--muted);
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    gap: 0.9rem;
    flex-wrap: wrap;
    margin-top: 1.7rem;
}

.audience-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-top: 1.3rem;
}

.audience-list span,
.plan-pills span,
.platform-tag {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.5rem 0.8rem;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.92rem;
}

.surface {
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 248, 244, 0.98));
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.surface-hero {
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.surface-hero::after {
    content: "";
    position: absolute;
    inset: auto -60px -80px auto;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(223, 234, 223, 0.9), transparent 68%);
}

.surface-label,
.download-kicker,
.gallery-type,
.meta-label {
    color: var(--accent-dark);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.76rem;
}

.surface-title {
    margin: 0.65rem 0 1.2rem;
    font-size: 1.7rem;
    line-height: 1.15;
}

.stats-grid,
.feature-grid,
.module-grid,
.gallery-grid,
.licensing-grid,
.pricing-grid {
    display: grid;
    gap: 1rem;
}

.stats-grid {
    grid-template-columns: repeat(3, 1fr);
}

.stat-card,
.feature-card,
.module-card,
.gallery-card,
.license-card,
.pricing-card,
.detail-card,
.detail-nav-card,
.download-card,
.changelog-card,
.support-banner {
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.detail-nav-card {
    padding: 1.45rem 1.45rem 1.45rem 1.8rem;
}

.stat-card {
    padding: 1rem;
}

.stat-card span {
    display: block;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.stat-card strong {
    font-size: 1.05rem;
}

.surface-note {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(31, 36, 29, 0.08);
    color: var(--muted);
    line-height: 1.6;
}

.section {
    padding: 2.4rem 0;
}

.section-tint {
    background: linear-gradient(180deg, rgba(247, 248, 244, 0.9), rgba(238, 243, 235, 0.92));
}

.section-dark {
    background: linear-gradient(180deg, rgba(247, 248, 244, 0.96), rgba(238, 243, 235, 0.98));
    color: var(--ink);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 1.7rem;
}

.section-heading.narrow {
    max-width: 560px;
}

.section-heading.light p,
.light {
    color: var(--muted);
}

.feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.module-card,
.license-card,
.pricing-card,
.detail-card {
    padding: 1.45rem;
}

.module-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.module-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 0.9rem;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.4rem 0.7rem;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.status-live {
    background: rgba(48, 83, 58, 0.12);
    color: var(--leaf);
}

.status-mixed {
    background: rgba(223, 234, 223, 0.85);
    color: var(--accent-dark);
}

.module-line {
    margin: 1rem 0;
    color: var(--muted);
}

.text-link {
    font-weight: 700;
    color: var(--accent);
}

.text-link.light {
    color: var(--accent);
}

.gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-card {
    overflow: hidden;
}

.gallery-image-wrap {
    background: linear-gradient(135deg, rgba(48, 83, 58, 0.12), rgba(216, 165, 66, 0.12));
    padding: 1rem;
}

.gallery-image-wrap img {
    width: 100%;
    border-radius: 16px;
    border: 1px solid rgba(31, 36, 29, 0.08);
}

.gallery-body {
    padding: 1.35rem;
}

.gallery-caption {
    font-weight: 700;
}

.download-layout {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr 0.9fr;
    gap: 1rem;
    align-items: start;
}

.download-card,
.changelog-card {
    background: rgba(255, 255, 255, 0.94);
    border-color: var(--line);
    color: var(--ink);
    padding: 1.5rem;
}

.download-card h3 {
    margin: 0.5rem 0;
    font-size: 1.8rem;
}

.download-date,
.download-note {
    color: var(--muted);
}

.download-actions,
.support-actions,
.license-actions,
.download-split {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.changelog-list,
.check-list,
.footer-links {
    margin: 0;
    padding-left: 1.1rem;
}

.changelog-list li,
.check-list li,
.footer-links li {
    margin-bottom: 0.65rem;
    line-height: 1.6;
}

.licensing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.plan-pills {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin: 1rem 0 1.2rem;
}

.planned-list li::marker {
    color: var(--gold);
}

.pricing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.build-list {
    display: grid;
    gap: 1rem;
}

.build-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.35rem 1.45rem;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.build-card h3 {
    margin: 0.35rem 0 0.3rem;
    font-size: 1.15rem;
}

.build-card p {
    margin: 0;
    color: var(--muted);
}

.pricing-card {
    min-height: 180px;
    background:
        linear-gradient(180deg, rgba(255, 253, 248, 0.98), rgba(255, 247, 231, 0.92)),
        radial-gradient(circle at top right, rgba(216, 165, 66, 0.18), transparent 30%);
}

.support-banner {
    padding: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-footer {
    padding: 2.3rem 0 1.4rem;
    border-top: 1px solid rgba(31, 36, 29, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 1rem;
}

.footer-title {
    margin-bottom: 0.9rem;
    font-weight: 800;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links a {
    color: var(--muted);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.2rem;
    margin-top: 1.2rem;
    border-top: 1px solid rgba(31, 36, 29, 0.08);
    color: var(--muted);
}

.modules-hero {
    padding-top: 4rem;
}

.detail-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
}

.detail-nav {
    position: sticky;
    top: 96px;
}

.detail-stack {
    display: grid;
    gap: 1rem;
}

.detail-summary {
    font-size: 1.1rem;
}

.faq-list {
    display: grid;
    gap: 0.9rem;
}

.faq-item {
    border: 1px solid rgba(31, 36, 29, 0.1);
    border-radius: var(--radius-small);
    background: rgba(255, 255, 255, 0.7);
    padding: 1rem 1.1rem;
}

.faq-item summary {
    cursor: pointer;
    font-weight: 800;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item p {
    margin: 0.9rem 0 0;
}

.manual-list {
    margin: 0;
    padding-left: 1.25rem;
}

.manual-list li {
    margin-bottom: 0.8rem;
    color: var(--muted);
    line-height: 1.65;
}

.detail-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

@media (max-width: 1024px) {
    .hero-grid,
    .download-layout,
    .detail-layout,
    .footer-grid,
    .licensing-grid,
    .feature-grid,
    .module-grid,
    .pricing-grid {
        grid-template-columns: 1fr 1fr;
    }

    .detail-nav {
        position: static;
    }
}

@media (max-width: 780px) {
    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 8px);
        left: 1rem;
        right: 1rem;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        background: rgba(255, 253, 248, 0.98);
        border: 1px solid rgba(31, 36, 29, 0.08);
        border-radius: 20px;
        box-shadow: var(--shadow);
    }

    .site-nav.is-open {
        display: flex;
    }

    .hero-grid,
    .feature-grid,
    .module-grid,
    .gallery-grid,
    .licensing-grid,
    .pricing-grid,
    .download-layout,
    .footer-grid,
    .detail-layout,
    .detail-meta-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .support-banner,
    .footer-bottom,
    .build-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero {
        padding-top: 3.2rem;
    }

    .hero h1,
    .section-heading h1,
    .section-heading h2 {
        font-size: 2.4rem;
    }
}