:root {
    --ic-primary: #2563EB;
    --ic-primary-dark: #1d4ed8;
    --ic-accent: #f59e0b;
    --ic-accent-dark: #d97706;
    --ic-success: #16a34a;
    --ic-ink: #0f172a;
    --ic-bg: #f8fafc;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    position: relative;
    min-height: 100%;
}

body {
    background-color: #ffffff;
    color: #1f2937;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.btn:focus, .btn:active:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.25);
}

/* --- Цветова схема: primary е синьото на Installico --- */
.text-primary { color: var(--ic-primary) !important; }

.btn { font-weight: 600; border-radius: 10px; transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease; }
.btn-lg { border-radius: 12px; }

.btn-primary {
    background-color: var(--ic-primary);
    border-color: var(--ic-primary);
    box-shadow: 0 6px 18px rgba(37, 99, 235, .28);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--ic-primary-dark);
    border-color: var(--ic-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(37, 99, 235, .35);
}

.btn-outline-primary {
    color: var(--ic-primary);
    border-color: var(--ic-primary);
}

.btn-outline-primary:hover {
    background-color: var(--ic-primary);
    border-color: var(--ic-primary);
    transform: translateY(-2px);
}

/* Топъл акцентен бутон за ключови call-to-action */
.btn-accent {
    background-color: var(--ic-accent);
    border-color: var(--ic-accent);
    color: #fff;
    box-shadow: 0 6px 18px rgba(245, 158, 11, .32);
}

.btn-accent:hover,
.btn-accent:focus {
    background-color: var(--ic-accent-dark);
    border-color: var(--ic-accent-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(245, 158, 11, .42);
}

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

.navbar-brand { font-size: 1.4rem; }

/* Лого в навигацията */
.brand-logo {
    height: 62px;
    width: auto;
    display: block;
}

@media (max-width: 575.98px) {
    .brand-logo { height: 50px; }
}

/* Лого във footer-а — върху бяло заоблено фонче за четимост на тъмен фон */
.footer-logo {
    background: #fff;
    border-radius: 10px;
    padding: .5rem .75rem;
    line-height: 0;
}

.footer-logo img {
    height: 54px;
    width: auto;
}
.navbar .nav-link { color: #374151; font-weight: 500; }
.navbar .nav-link:hover { color: var(--ic-primary); }

/* --- Hero секция --- */
.hero {
    background:
        radial-gradient(900px 380px at 85% -10%, rgba(245, 158, 11, .12), transparent 60%),
        radial-gradient(900px 480px at 12% 0%, rgba(37, 99, 235, .14), transparent 55%),
        linear-gradient(135deg, #eef4ff 0%, #f8fafc 100%);
    padding: 5rem 0;
}

.hero h1 {
    font-weight: 700;
    font-size: 2.7rem;
    line-height: 1.2;
    color: var(--ic-ink);
}

/* Малък надпис над заглавието на секция */
.eyebrow {
    display: inline-block;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--ic-primary);
    background: rgba(37, 99, 235, .1);
    padding: .35rem .85rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

/* Ред с малки сигнали за доверие под CTA */
.trust-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 1.5rem;
    color: #475569;
    font-weight: 500;
}

.trust-row i { color: var(--ic-success); margin-right: .35rem; }

/* --- Секции --- */
.section { padding: 4rem 0; }
.section-light { background-color: var(--ic-bg); }

/* Лента със сигнали за доверие/числа */
.trust-band {
    background: linear-gradient(135deg, var(--ic-primary) 0%, var(--ic-primary-dark) 100%);
    color: #fff;
}

.trust-band .stat-number { font-size: 2.2rem; font-weight: 800; line-height: 1; }
.trust-band .stat-label { color: rgba(255, 255, 255, .8); }

/* Цветна CTA лента */
.cta-band {
    background:
        radial-gradient(700px 300px at 80% 120%, rgba(245, 158, 11, .25), transparent 60%),
        linear-gradient(135deg, var(--ic-primary) 0%, var(--ic-primary-dark) 100%);
    color: #fff;
    border-radius: 20px;
    padding: 3rem 1.5rem;
}

/* Син бутон върху синята CTA лента — фина бяла рамка за контраст */
.cta-band .btn-primary {
    box-shadow: 0 0 0 1.5px rgba(255, 255, 255, .85), 0 8px 22px rgba(15, 23, 42, .30);
}

.cta-band .btn-primary:hover,
.cta-band .btn-primary:focus {
    box-shadow: 0 0 0 1.5px #fff, 0 12px 26px rgba(15, 23, 42, .38);
}

/* Леко повдигане при hover за картите */
.hover-lift { transition: transform .18s ease, box-shadow .18s ease; }
.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 38px rgba(15, 23, 42, .12) !important;
}

/* --- Икона кръгче за features/модули --- */
.icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
    color: var(--ic-primary);
    font-size: 1.6rem;
    box-shadow: inset 0 0 0 1px rgba(37, 99, 235, .1);
}

/* --- Картите за модули и планове да са с еднаква височина --- */
.card-equal {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card-equal .card-body {
    flex: 1 1 auto;
}

/* --- Ценови карти --- */
.price-card.featured {
    border: 2px solid var(--ic-primary);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.15);
}

.price-amount { font-size: 2.4rem; font-weight: 700; }

.plan-features { list-style: none; padding-left: 0; }
.plan-features li { padding: .35rem 0; }
.plan-features .ok { color: #16a34a; }
.plan-features .no { color: #9ca3af; }
.plan-features .no span { color: #9ca3af; text-decoration: line-through; }

/* --- Блог --- */
.blog-card .blog-thumb {
    height: 180px;
    object-fit: contain;
    width: 100%;
    background-color: #f8f9fa;
}

.blog-cover {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
}

/* --- Галерия grid --- */
.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 10px;
}

/* --- Граф: структура на данните --- */
.ic-network {
    max-width: 1040px;
    margin: 0 auto;
    height: 720px;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    background-color: #fbfcfe;
    background-image: radial-gradient(circle at 1px 1px, rgba(15, 23, 42, .06) 1px, transparent 0);
    background-size: 22px 22px;
    box-shadow: 0 4px 18px rgba(15, 23, 42, .05);
    overflow: hidden;
    touch-action: pan-y;
}

.ic-network canvas { outline: none; }

@media (max-width: 575.98px) {
    .ic-network { height: 600px; }
}

/* --- Demo modal --- */
.demo-modal-aside {
    background: linear-gradient(160deg, var(--ic-primary) 0%, var(--ic-primary-dark) 100%);
}

.demo-modal-aside .demo-benefits {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.demo-modal-aside .demo-benefits li {
    padding: .35rem 0;
    display: flex;
    align-items: flex-start;
    gap: .5rem;
}

.demo-modal-aside .demo-benefits i {
    margin-top: .15rem;
}

/* --- Auth страници (вход / регистрация) --- */
.auth-body {
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(800px 400px at 90% 0%, rgba(245, 158, 11, .14), transparent 60%),
        radial-gradient(900px 500px at 0% 100%, rgba(37, 99, 235, .16), transparent 55%),
        linear-gradient(135deg, #eef4ff 0%, #f8fafc 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 940px;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(15, 23, 42, .16);
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.auth-aside {
    background:
        radial-gradient(600px 260px at 80% 110%, rgba(245, 158, 11, .28), transparent 60%),
        linear-gradient(150deg, var(--ic-primary) 0%, var(--ic-primary-dark) 100%);
    color: #fff;
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
}

.auth-aside .auth-benefits {
    list-style: none;
    padding-left: 0;
    margin: 1.5rem 0 auto;
}

.auth-aside .auth-benefits li {
    padding: .45rem 0;
    display: flex;
    align-items: flex-start;
    gap: .6rem;
}

.auth-aside .auth-benefits i { margin-top: .15rem; }

.auth-form {
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-logo img { height: 46px; width: auto; }

@media (max-width: 767.98px) {
    .auth-card { grid-template-columns: 1fr; max-width: 460px; }
    .auth-aside { display: none; }
    .auth-form { padding: 2.25rem 1.75rem; }
}

/* --- Footer --- */
.footer-dark {
    background-color: #0f172a;
}

.footer-links a {
    color: rgba(255,255,255,.65);
    display: block;
    padding: .2rem 0;
}

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

.footer-contact a {
    color: rgba(255, 255, 255, .65);
}

.footer-contact a:hover { color: #fff; }

/* --- Admin sidebar --- */
.admin-sidebar {
    background-color: #0f172a;
    min-height: 100vh;
    color: #cbd5e1;
}

.admin-sidebar .nav-link {
    color: #cbd5e1;
    border-radius: 8px;
    margin-bottom: .25rem;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    background-color: var(--ic-primary);
    color: #fff;
}

.admin-content { background-color: var(--ic-bg); min-height: 100vh; }

.stat-card .stat-number { font-size: 2rem; font-weight: 700; }

/* --- Responsive hero --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .hero { padding: 3rem 0; }
}