/* Variables */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.hero-cogs {
    font-size: 8rem;
    opacity: 0.3;
}

.scenario-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 2rem;
    overflow: hidden;
    position: relative;
}

.scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
    color: white;
    border: none;
    padding: 1.5rem;
}
.card-header.lighting {
    background: linear-gradient(45deg, #ffc107, #ff8c00);
}
.card-header.climate {
    background: linear-gradient(45deg, #17a2b8, #20c997);
}
.card-header.control {
    background: linear-gradient(45deg, #6c757d, #495057);
}

.card-header-flex {
    display: flex;
    align-items: center;
}
.flex-grow-1 {
    flex-grow: 1;
}

.card-body {
    padding: 1.5rem;
}

.download-btn {
    background: var(--success-color);
    border: none;
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    color: white;
    text-decoration: none;
    display: inline-block;
    margin: 0.25rem;
    transition: all 0.3s ease;
}
.download-btn[download]::after {
    content: " \f019";
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
}

.github-btn {
    background: var(--dark-color);
    border: none;
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    color: white;
    text-decoration: none;
    display: inline-block;
    margin: 0.25rem;
    transition: all 0.3s ease;
}

.github-btn:hover {
    background: #495057;
    color: white;
    transform: scale(1.05);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.editor-section {
    padding: 3rem 0;
    margin: 3rem 0;
}

.category-btn {
    background: linear-gradient(45deg, var(--primary-color), var(--info-color));
    border: none;
    border-radius: 15px;
    padding: 1rem 2rem;
    color: white;
    text-decoration: none;
    display: inline-block;
    margin: 0.5rem;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 1.1rem;
}

.category-btn:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.category-btn.lighting {
    background: linear-gradient(45deg, #ffc107, #ff8c00);
}

.category-btn.climate {
    background: linear-gradient(45deg, #17a2b8, #20c997);
}

.category-btn.control {
    background: linear-gradient(45deg, #6c757d, #495057);
}

.footer {
    background: var(--dark-color);
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

.badge-category {
    background: var(--info-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
}

.badge-type {
    background: var(--warning-color);
    color: var(--dark-color);
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
}

.category-section {
    scroll-margin-top: 100px;
}

.hot-icon {
    display: flex;
    align-items: center;
    margin-left: auto;
    height: 38px;
}
.hot-icon img {
    width: 64px;
    height: 76px;
    display: block;
}

/* Custom classes for replaced inline styles */
.card-link-block {
    display: block;
    text-decoration: none;
    color: inherit;
}
.card-custom-radius {
    border-radius: 18px;
}
.card-body-custom-gradient {
    background: linear-gradient(90deg,#ff9800 0%,#ff5252 100%);
    color: white;
    border-radius: 18px;
}
.card-tools-icon {
    font-size: 2.5rem;
}
.card-title-bold {
    font-weight: 700;
}
.custom-link-white {
    color: #fff;
    text-decoration: underline;
    font-weight: 600;
}
.custom-btn-telegram {
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.custom-link-blue {
    color: #007bff;
}
.scroll-top-btn {
    display: none;
    position: fixed;
    bottom: 40px;
    left: 40px;
    right: auto;
    z-index: 9999;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg,#ff5252,#ff9800);
    color: white;
    border: none;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    font-size: 2rem;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s;
}