/* Green Nature Soft — Public Website */

:root {
    --color-primary: #2d6a4f;
    --color-primary-dark: #1b4332;
    --color-primary-light: #40916c;
    --color-accent: #52b788;
    --color-accent-soft: #d8f3dc;
    --color-bg: #f8faf8;
    --color-surface: #ffffff;
    --color-text: #1f2933;
    --color-muted: #5f6c7b;
    --color-border: #d8e2dc;
    --color-error: #b00020;
    --color-success: #1b5e20;
    --shadow: 0 2px 12px rgba(27, 67, 50, 0.08);
    --shadow-lg: 0 8px 24px rgba(27, 67, 50, 0.12);
    --radius: 10px;
    --font-sans: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    --header-height: 64px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

.narrow-content {
    width: min(760px, 100%);
    margin: 0 auto;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-primary-dark);
    color: #fff;
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
    gap: 1rem;
}

.logo {
    color: #fff;
    font-size: 1.15rem;
    font-weight: 700;
    white-space: nowrap;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.main-nav a {
    color: #d8f3dc;
    padding: 0.5rem 0.85rem;
    border-radius: 6px;
    font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    margin: 0 auto;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Main */
.site-main {
    min-height: calc(100vh - 220px);
}

.section {
    padding: 3rem 0;
}

.section-alt {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-header h2,
.product-section h2,
.page-hero h1 {
    color: var(--color-primary-dark);
}

.section-lead,
.page-lead,
.lead-text {
    color: var(--color-muted);
}

.page-hero {
    padding: 3rem 0 2rem;
    background: linear-gradient(180deg, #eef6f0 0%, var(--color-bg) 100%);
}

.page-hero h1 {
    margin: 0 0 0.75rem;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.page-hero-error {
    text-align: center;
    padding-bottom: 4rem;
}

/* Hero */
.hero-home {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, #40916c 100%);
    color: #fff;
    padding: 4.5rem 0;
}

.hero-content {
    text-align: center;
}

.hero-home h1 {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.15;
}

.hero-lead {
    font-size: clamp(1.05rem, 2.5vw, 1.25rem);
    max-width: 640px;
    margin: 0 auto 1.75rem;
    opacity: 0.95;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

/* Cards & grids */
.card-grid {
    display: grid;
    gap: 1.25rem;
}

.card-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.info-card,
.feature-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.info-card h3,
.feature-item h3 {
    margin: 0 0 0.5rem;
    color: var(--color-primary-dark);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.product-card-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #eef6f0;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-card-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-card-body h3 {
    margin: 0 0 0.5rem;
}

.product-card-body h3 a {
    color: var(--color-primary-dark);
}

.product-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0.75rem 0 1rem;
}

.product-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

/* Product detail */
.product-hero {
    padding: 2.5rem 0;
    background: linear-gradient(180deg, #eef6f0 0%, var(--color-bg) 100%);
}

.product-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.product-hero-image {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.product-hero-placeholder {
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-soft);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-hero-copy h1 {
    margin: 0 0 0.75rem;
    color: var(--color-primary-dark);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.product-hero-desc {
    color: var(--color-muted);
    font-size: 1.05rem;
}

.product-hero-price {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.25rem 0;
}

.product-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.product-section h2 {
    margin: 0 0 1rem;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.benefits-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.benefits-list li {
    padding: 0.85rem 1rem 0.85rem 2.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    position: relative;
}

.benefits-list li::before {
    content: "✓";
    position: absolute;
    left: 1rem;
    color: var(--color-primary);
    font-weight: 700;
}

.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

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

.screenshot-item img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.screenshot-item figcaption {
    padding: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
}

.video-embed {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius);
    background: #000;
}

.video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.pricing-box {
    text-align: center;
}

.policy-grid {
    display: grid;
    gap: 1.25rem;
}

.policy-grid h3 {
    margin: 0 0 0.5rem;
    color: var(--color-primary-dark);
}

.release-list {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.release-item {
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
}

.release-item h4 {
    margin: 0 0 0.5rem;
    color: var(--color-primary-dark);
}

/* Accordion */
.accordion {
    display: grid;
    gap: 0.75rem;
}

.accordion-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    overflow: hidden;
}

.accordion-trigger {
    width: 100%;
    text-align: left;
    padding: 1rem 1.25rem;
    border: none;
    background: transparent;
    font: inherit;
    font-weight: 600;
    color: var(--color-primary-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.accordion-trigger::after {
    content: "+";
    font-size: 1.25rem;
    color: var(--color-primary);
}

.accordion-trigger[aria-expanded="true"]::after {
    content: "−";
}

.accordion-panel {
    padding: 0 1.25rem 1rem;
}

.accordion-panel[hidden] {
    display: none;
}

/* Support */
.support-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    align-items: start;
}

.support-email-box {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.support-form-wrap {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.info-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.info-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.social-links h3 {
    margin: 0;
    width: 100%;
    color: var(--color-primary-dark);
}

.notice-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

/* CTA */
.cta-section {
    padding-bottom: 4rem;
}

.cta-box {
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: #fff;
    border-radius: var(--radius);
    padding: 2.5rem 1.5rem;
}

.cta-box h2 {
    color: #fff;
    margin: 0 0 0.75rem;
}

.cta-box p {
    margin: 0 0 1.25rem;
    opacity: 0.95;
}

.cta-box .btn-primary {
    background: #fff;
    color: var(--color-primary-dark);
}

.cta-box .btn-primary:hover {
    background: var(--color-accent-soft);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.7rem 1.35rem;
    border-radius: var(--radius);
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    text-align: center;
    font: inherit;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

.btn-primary:hover {
    background: #74c69d;
    color: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--color-primary);
    color: #fff;
}

.btn-secondary:hover {
    background: var(--color-primary-dark);
    color: #fff;
}

.btn-small {
    padding: 0.5rem 0.95rem;
    font-size: 0.9rem;
}

.btn-disabled {
    opacity: 0.55;
    pointer-events: none;
}

.badge {
    display: inline-block;
    background: var(--color-accent-soft);
    color: var(--color-primary-dark);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.price,
.price-large {
    font-weight: 700;
    color: var(--color-primary-dark);
}

.price-large {
    font-size: 1.75rem;
}

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

.rich-text p {
    margin: 0 0 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid var(--color-accent);
    border-color: var(--color-primary-light);
}

.alert {
    padding: 0.9rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.alert-error {
    background: #fdecea;
    color: var(--color-error);
    border: 1px solid #f5c2c7;
}

.alert-success {
    background: #e8f5e9;
    color: var(--color-success);
    border: 1px solid #a5d6a7;
}

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

.activate-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    align-items: start;
}

.activate-product-card,
.activate-form-wrap,
.license-success-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.activate-product-image {
    width: 100%;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.activate-policies {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.activate-policies h3 {
    margin-bottom: 0.75rem;
}

.activate-policies h4 {
    margin: 0.75rem 0 0.35rem;
    font-size: 0.95rem;
}

.notice-test {
    background: #fff8e1;
    border: 1px solid #ffe082;
    margin-bottom: 1rem;
}

.order-summary {
    background: #f7faf8;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    margin: 1rem 0 1.25rem;
}

.order-summary h3 {
    margin: 0 0 0.75rem;
    color: var(--color-primary-dark);
}

.order-summary-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.35rem 0;
}

.order-summary-total {
    border-top: 1px solid var(--color-border);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    font-weight: 700;
}

.license-key-list {
    display: grid;
    gap: 0.75rem;
    margin: 1rem 0;
}

.license-key-item {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    background: #f7faf8;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.license-key-code {
    font-size: 0.95rem;
    word-break: break-all;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

@media (max-width: 900px) {
    .activate-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.site-footer {
    background: var(--color-primary-dark);
    color: #d8f3dc;
    padding: 2.5rem 0;
    margin-top: 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 1.5rem;
}

.footer-brand {
    color: #fff;
    font-size: 1.05rem;
}

.footer-tagline {
    margin: 0.35rem 0 0;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.footer-links a,
.footer-meta a {
    color: #d8f3dc;
}

.footer-links a:hover,
.footer-meta a:hover {
    color: #fff;
}

.footer-meta p {
    margin: 0 0 0.35rem;
}

/* Responsive */
@media (max-width: 900px) {
    .product-hero-grid,
    .support-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-primary-dark);
        flex-direction: column;
        align-items: stretch;
        padding: 0.75rem;
        display: none;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .main-nav a {
        margin: 0;
    }

    .header-inner {
        position: relative;
    }

    .section {
        padding: 2.25rem 0;
    }

    .hero-home {
        padding: 3rem 0;
    }
}