:root {
    --bg-body: #031A22;
    --text-body: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-white: #fff;
    --text-yellow: #FFE8A8;
    --border-color: #1f2937;
    --border-light: #374151;
    --card-bg: #111827;
    --card-border: #1f2937;
    --zen-bg: #0a0a0f;
    --code-bg: #111827;
    --nav-bg: #031A22;
    --nav-border: #1f2937;
    --input-bg: #111827;
    --input-border: #374151;
    --input-text: #e5e7eb;
    --badge-bg: rgba(59,130,246,.15);
    --badge-text: #60a5fa;
    --badge-border: rgba(59,130,246,.3);
    --badge-link: #93c5fd;
    --badge-link-hover: #bfdbfe;
    --tab-bg: transparent;
    --tab-border: #374151;
    --tab-text: #9ca3af;
    --tab-hover-bg: #1f2937;
    --tab-hover-text: #fff;
    --tab-hover-border: #4b5563;
    --tab-active-border: #6366f1;
    --btn-cta-bg: #6366f1;
    --btn-cta-hover: #4f46e5;
    --btn-cta-text: #fff;
    --btn-outline-border: #374151;
    --btn-outline-text: #e5e7eb;
    --btn-outline-hover-bg: #1f2937;
    --btn-outline-hover-border: #4b5563;
    --btn-outline-hover-text: #fff;
    --footer-link: #9ca3af;
    --footer-link-hover: #fff;
    --legal-text: #9ca3af;
    --accordion-bg: transparent;
    --accordion-border: #1f2937;
    --accordion-btn-text: #e5e7eb;
    --accordion-btn-bg: transparent;
    --accordion-btn-not-collapsed-bg: rgba(255,255,255,.03);
    --accordion-btn-not-collapsed-text: #fff;
    --accordion-body-text: #9ca3af;
    --accordion-arrow-filter: invert(.8);
    --stat-number: #fff;
    --nav-link-color: rgba(255,255,255,.75);
    --nav-link-hover: #fff;
    --navbar-toggler-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    --feature-bullet: #6366f1;
    --section-title: inherit;
    --copy-btn-color: #9ca3af;
    --copy-btn-hover: #fff;
    --copy-btn-copied: #22c55e;
    --github-badge-bg: #1f2937;
    --github-badge-text: #9ca3af;
    --btn-cta-color: #fff;
    --btn-outline-color: #e5e7eb;
    --legal-link: #9ca3af;
    --legal-link-hover: #fff;
}
.light-mode {
    --bg-body: #fafafa;
    --text-body: #1f2937;
    --text-secondary: #6b7280;
    --text-white: #111827;
    --text-yellow: #291616;
    --border-color: #e5e7eb;
    --border-light: #d1d5db;
    --card-bg: #f9fafb;
    --card-border: #e5e7eb;
    --zen-bg: #f3f4f6;
    --code-bg: #f3f4f6;
    --nav-bg: #ffffff;
    --nav-border: #e5e7eb;
    --input-bg: #ffffff;
    --input-border: #d1d5db;
    --input-text: #1f2937;
    --badge-bg: rgba(59,130,246,.1);
    --badge-text: #2563eb;
    --badge-border: rgba(59,130,246,.2);
    --badge-link: #3b82f6;
    --badge-link-hover: #2563eb;
    --tab-bg: transparent;
    --tab-border: #d1d5db;
    --tab-text: #6b7280;
    --tab-hover-bg: #f3f4f6;
    --tab-hover-text: #111827;
    --tab-hover-border: #9ca3af;
    --tab-active-border: #6366f1;
    --btn-cta-bg: #6366f1;
    --btn-cta-hover: #4f46e5;
    --btn-cta-text: #fff;
    --btn-outline-border: #d1d5db;
    --btn-outline-text: #1f2937;
    --btn-outline-hover-bg: #f3f4f6;
    --btn-outline-hover-border: #9ca3af;
    --btn-outline-hover-text: #111827;
    --footer-link: #6b7280;
    --footer-link-hover: #111827;
    --legal-text: #6b7280;
    --accordion-bg: transparent;
    --accordion-border: #e5e7eb;
    --accordion-btn-text: #1f2937;
    --accordion-btn-bg: transparent;
    --accordion-btn-not-collapsed-bg: rgba(0,0,0,.03);
    --accordion-btn-not-collapsed-text: #111827;
    --accordion-body-text: #6b7280;
    --accordion-arrow-filter: invert(.4);
    --stat-number: #111827;
    --nav-link-color: rgba(0,0,0,.7);
    --nav-link-hover: #000;
    --navbar-toggler-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280,0,0,0.7%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    --feature-bullet: #6366f1;
    --copy-btn-color: #6b7280;
    --copy-btn-hover: #111827;
    --copy-btn-copied: #16a34a;
    --github-badge-bg: #f3f4f6;
    --github-badge-text: #6b7280;
    --btn-cta-color: #fff;
    --btn-outline-color: #1f2937;
    --legal-link: #6b7280;
    --legal-link-hover: #111827;
}
body {
    background-color: var(--bg-body);
    color: var(--text-body);
}
.navbar .nav-link {
    color: var(--nav-link-color);
}
.navbar .nav-link:hover {
    color: var(--nav-link-hover);
}
.hero-section {
    padding-top: 120px;
    padding-bottom: 60px;
}
.badge-neu {
    background-color: var(--badge-bg);
    /* color: var(--badge-text); */
    color: #22c55e;
    border: 1px solid var(--badge-border);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: .875rem;
    display: inline-block;
}
.badge-neu a {
    color: var(--badge-link);
    text-decoration: underline;
}
.badge-neu a:hover {
    color: var(--badge-link-hover);
}
.tab-btn {
    background: var(--tab-bg);
    border: 1px solid var(--tab-border);
    color: var(--tab-text);
    padding: 8px 20px;
    border-radius: 6px;
    font-size: .9rem;
    transition: all .15s;
}
.tab-btn:hover, .tab-btn.active {
    background: var(--tab-hover-bg);
    color: var(--tab-hover-text);
    border-color: var(--tab-hover-border);
}
.tab-btn.active {
    border-color: var(--tab-active-border);
}
.code-block {
    background: var(--code-bg);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 16px 20px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: .9rem;
    color: var(--text-body);
    overflow-x: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.code-block code {
    white-space: nowrap;
}
.copy-btn {
    background: transparent;
    border: none;
    color: var(--copy-btn-color);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    flex-shrink: 0;
    transition: color .15s;
}
.copy-btn:hover {
    color: var(--copy-btn-hover);
}
.copy-btn.copied {
    color: var(--copy-btn-copied);
}
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}
.feature-bullet {
    color: var(--feature-bullet);
    font-weight: bold;
    flex-shrink: 0;
}
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
}
.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--stat-number);
    line-height: 1.1;
}
.stat-label {
    color: var(--text-secondary);
    font-size: .95rem;
    margin-top: 6px;
}
.accordion-item {
    background-color: var(--accordion-bg);
    border: 1px solid var(--accordion-border);
}
.accordion-item:not(:first-of-type) {
    border-top: 1px solid var(--accordion-border);
}
.accordion-button {
    background-color: var(--accordion-btn-bg);
    color: var(--accordion-btn-text);
    font-weight: 500;
    box-shadow: none;
}
.accordion-button:not(.collapsed) {
    background-color: var(--accordion-btn-not-collapsed-bg);
    color: var(--accordion-btn-not-collapsed-text);
}
.accordion-button::after {
    filter: var(--accordion-arrow-filter);
}
.accordion-body {
    color: var(--accordion-body-text);
}
.zen-section {
    background: var(--zen-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 48px 40px;
}
.footer-link {
    color: var(--footer-link);
    text-decoration: none;
    transition: color .15s;
}
.footer-link:hover {
    color: var(--footer-link-hover);
}
.legal-bar {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    font-size: .85rem;
}
.legal-bar a {
    color: var(--legal-link);
    text-decoration: none;
}
.legal-bar a:hover {
    color: var(--legal-link-hover);
}
.btn-cta {
    background: var(--btn-cta-bg);
    border: none;
    color: var(--btn-cta-color);
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 500;
    transition: background .15s;
}
.btn-cta:hover {
    background: var(--btn-cta-hover);
    color: var(--btn-cta-color);
}
.btn-outline-cta {
    background: transparent;
    border: 1px solid var(--btn-outline-border);
    color: var(--btn-outline-color);
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 500;
    transition: all .15s;
}
.btn-outline-cta:hover {
    background: var(--btn-outline-hover-bg);
    border-color: var(--btn-outline-hover-border);
    color: var(--btn-outline-hover-text);
}
.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.nav-logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-white);
    text-decoration: none;
}
.nav-logo:hover {
    color: var(--text-body);
}
.github-star-badge {
    background: var(--github-badge-bg);
    color: var(--github-badge-text);
    border-radius: 6px;
    padding: 2px 10px;
    font-size: .8rem;
    margin-left: 4px;
}
.form-email {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--input-text);
    padding: 12px 16px;
    border-radius: 8px;
    width: 100%;
}
.form-email:focus {
    outline: none;
    border-color: var(--tab-active-border);
    box-shadow: 0 0 0 2px rgba(99,102,241,.2);
}

.app-store-badge {
    position: relative;
    display: inline-block;
}

.app-store-badge img {
    display: block;
}

.app-store-badge .badge-hover {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.app-store-badge:hover .badge-hover {
    opacity: 1;
}

.app-store-badge:hover .badge-normal {
    opacity: 0;
}

.app-store-badge .badge-normal,
.app-store-badge .badge-hover {
    transition: opacity 0.2s ease;
}