/* ─── Variables ──────────────────────────────────────────────── */
:root {
    --color-primary: #2c3e50;
    --color-accent: #3498db;
    --color-cta: #72c02c;
    --color-dark: #1a252f;
    --color-darker: #141d26;
}

/* ─── Global ─────────────────────────────────────────────────── */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

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

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

/* ─── Topbar ─────────────────────────────────────────────────── */
.topbar {
    background-color: var(--color-dark) !important;
    font-size: 0.85rem;
}

/* ─── Navbar ─────────────────────────────────────────────────── */
.navbar.bg-primary {
    background-color: var(--color-primary) !important;
}

.navbar-brand img {
    max-height: 40px;
}

.nav-link.active {
    font-weight: 600;
}

/* ─── CTA Button ─────────────────────────────────────────────── */
.btn-cta {
    background-color: var(--color-cta);
    border-color: var(--color-cta);
    color: #fff;
    font-weight: 600;
}

.btn-cta:hover,
.btn-cta:focus {
    background-color: #5fb024;
    border-color: #5fb024;
    color: #fff;
}

/* ─── Hero Section ───────────────────────────────────────────── */
.hero-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.hero-section h1 {
    line-height: 1.3;
}

/* ─── Service Blocks ─────────────────────────────────────────── */
.service-block {
    border-radius: 8px;
    transition: box-shadow 0.3s ease;
}

.service-block:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 3rem;
    display: block;
}

.text-accent {
    color: var(--color-accent) !important;
}

/* ─── Pricing Cards ──────────────────────────────────────────── */
.pricing-card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.pricing-card .card-header {
    border-radius: 8px 8px 0 0;
    background-color: var(--color-primary) !important;
}

.pricing-price {
    line-height: 1.2;
}

/* ─── Version History ────────────────────────────────────────── */
.version-entry {
    border-left: 3px solid var(--color-accent);
    padding-left: 1rem;
}

.version-entry h2 small {
    font-weight: 400;
}

.version-entry ul {
    padding-left: 1.25rem;
}

.version-entry li {
    margin-bottom: 0.35rem;
    line-height: 1.5;
}

/* ─── Footer ─────────────────────────────────────────────────── */
footer.bg-dark {
    background-color: var(--color-dark) !important;
}

.bg-darker {
    background-color: var(--color-darker);
}

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

footer a:hover {
    color: #fff;
}

footer .form-control {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

footer .form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

footer .form-control:focus {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--color-accent);
    color: #fff;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* ─── Back to Top ────────────────────────────────────────────── */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 999;
}

.back-to-top.show {
    opacity: 0.8;
    visibility: visible;
}

.back-to-top:hover {
    opacity: 1;
    color: #fff;
}

/* ─── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb {
    background: transparent;
    margin-bottom: 0;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }

    .hero-section .btn-cta {
        margin-top: 1rem;
    }

    .service-icon {
        font-size: 2.5rem;
    }
}