:root {
    --legacy-bg: #0b1020;
    --legacy-bg-soft: #11182d;
    --legacy-panel: rgba(12, 18, 38, 0.88);
    --legacy-panel-strong: rgba(15, 22, 44, 0.96);
    --legacy-border: rgba(104, 144, 255, 0.18);
    --legacy-border-strong: rgba(104, 144, 255, 0.34);
    --legacy-text: #e8edf8;
    --legacy-muted: #93a4c7;
    --legacy-cyan: #00d4ff;
    --legacy-cyan-deep: #2c7cff;
    --legacy-purple: #8b5cf6;
    --legacy-purple-deep: #4c1d95;
    --legacy-green: #15d48e;
    --legacy-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
    --legacy-shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.25);
    --legacy-radius: 14px;
    --legacy-radius-lg: 22px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--legacy-text);
    background:
        radial-gradient(circle at top left, rgba(0, 212, 255, 0.14), transparent 28%),
        radial-gradient(circle at top right, rgba(139, 92, 246, 0.16), transparent 24%),
        linear-gradient(135deg, #050816 0%, #0b1020 45%, #09101b 100%);
    background-attachment: fixed;
    font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 85%);
    z-index: 0;
}

.main-content,
nav,
footer {
    position: relative;
    z-index: 1;
}

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

a:hover {
    color: #9be8ff;
}

.navbar-modern {
    background: rgba(10, 16, 31, 0.86);
    border-bottom: 1px solid var(--legacy-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.navbar-toggler {
    border-color: rgba(0, 212, 255, 0.25);
}

.navbar-toggler-icon {
    filter: invert(1) brightness(1.6);
}

.navbar-modern.scrolled {
    background: rgba(8, 13, 26, 0.96);
}

.navbar-brand-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    color: var(--legacy-text) !important;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.navbar-brand-modern img {
    height: 34px;
    width: 34px;
}

.nav-link-modern {
    color: var(--legacy-muted);
    font-weight: 600;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    transition: all 0.22s ease;
}

.nav-link-modern:hover,
.nav-link-modern.active {
    color: #fff;
    background: rgba(0, 212, 255, 0.1);
    box-shadow: inset 0 0 0 1px rgba(0, 212, 255, 0.16);
}

.hero-modern {
    position: relative;
    overflow: hidden;
    padding: 7rem 0 5rem;
}

.hero-modern::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 25% 20%, rgba(0, 212, 255, 0.16), transparent 22%),
        radial-gradient(circle at 75% 0%, rgba(139, 92, 246, 0.18), transparent 26%);
    pointer-events: none;
}

.hero-content,
.card-modern,
.footer-modern,
.auth-buttons,
.stats-card,
.faq-item,
.model-card,
.news-card,
.reseller-card,
.service-item {
    position: relative;
}

.hero-title {
    color: #ffffff;
    font-size: clamp(2.4rem, 4.2vw, 4.6rem);
    font-weight: 900;
    line-height: 0.98;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.hero-subtitle {
    color: var(--legacy-muted);
    font-size: 1.1rem;
    max-width: 42rem;
}

.text-gradient {
    background: linear-gradient(90deg, var(--legacy-cyan) 0%, #8ab4ff 45%, #d7a7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-modern,
.card,
.auth-card,
.faq-item,
.model-card,
.news-card,
.reseller-card,
.service-item {
    background: linear-gradient(180deg, rgba(19, 27, 50, 0.95) 0%, rgba(10, 16, 31, 0.96) 100%);
    border: 1px solid var(--legacy-border);
    border-radius: var(--legacy-radius-lg);
    box-shadow: var(--legacy-shadow-soft);
    color: var(--legacy-text);
}

.card-modern::before,
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(140deg, rgba(0, 212, 255, 0.32), rgba(139, 92, 246, 0.16), transparent 70%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.72;
}

.card-modern:hover,
.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--legacy-shadow);
    border-color: var(--legacy-border-strong);
}

.card-body,
.card-header {
    position: relative;
    z-index: 1;
}

.card-header {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: #fff;
}

.btn {
    border-radius: 999px;
    font-weight: 700;
    transition: all 0.2s ease;
    border: 0;
}

.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.22);
}

.btn-primary-modern,
.btn-primary {
    background: linear-gradient(135deg, var(--legacy-cyan) 0%, var(--legacy-cyan-deep) 100%);
    color: #04101c;
    box-shadow: 0 12px 28px rgba(0, 212, 255, 0.26);
}

.btn-primary-modern:hover,
.btn-primary:hover {
    transform: translateY(-1px);
    color: #04101c;
    box-shadow: 0 16px 32px rgba(0, 212, 255, 0.32);
}

.btn-outline-modern,
.btn-outline-light {
    border: 1px solid rgba(0, 212, 255, 0.38);
    color: #dff8ff;
    background: rgba(0, 212, 255, 0.04);
}

.btn-outline-modern:hover,
.btn-outline-light:hover {
    color: #ffffff;
    background: rgba(0, 212, 255, 0.16);
    border-color: rgba(0, 212, 255, 0.65);
}

.btn-secondary-modern,
.btn-secondary {
    background: linear-gradient(135deg, #1f2a44 0%, #162037 100%);
    color: #eef5ff;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-secondary-modern:hover,
.btn-secondary:hover {
    color: #fff;
    background: linear-gradient(135deg, #25324f 0%, #1b2844 100%);
}

.stats-section .stats-card {
    padding: 1.5rem;
    text-align: center;
    min-height: 128px;
}

.stats-card h3,
.stats-card .stat-value {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 0.2rem;
}

.stats-card p,
.stat-label,
.footer-description,
.footer-copyright,
.footer-tagline,
.footer-links a,
.text-muted {
    color: var(--legacy-muted) !important;
}

.card-icon-wrapper {
    width: 3.75rem;
    height: 3.75rem;
    margin: 0 auto;
    border-radius: 18px;
    display: grid;
    place-items: center;
    background:
        linear-gradient(135deg, rgba(0, 212, 255, 0.14), rgba(139, 92, 246, 0.18));
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
    color: #dff8ff;
}

.footer-modern {
    margin-top: 4rem;
    padding: 3.5rem 0 1.5rem;
    border-top: 1px solid var(--legacy-border);
    background: linear-gradient(180deg, rgba(7, 11, 24, 0.65) 0%, rgba(5, 8, 18, 0.96) 100%);
}

.footer-title {
    color: #fff;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li + li {
    margin-top: 0.55rem;
}

.footer-link {
    color: var(--legacy-muted);
}

.footer-link:hover {
    color: #ffffff;
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.form-control,
.form-select,
.input-group-text {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.16);
    color: #fff;
    border-radius: 14px;
}

.form-control::placeholder {
    color: rgba(147, 164, 199, 0.78);
}

.form-control:focus,
.form-select:focus {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    border-color: rgba(0, 212, 255, 0.55);
    box-shadow: 0 0 0 0.2rem rgba(0, 212, 255, 0.12);
}

.input-group-text {
    color: #dff8ff;
}

.badge {
    border-radius: 999px;
}

.hero-modern .card-modern {
    margin-top: 1.5rem;
}

.animate-float {
    animation: legacy-float 5s ease-in-out infinite;
}

@keyframes legacy-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-slide-up,
.animate-slide-left {
    animation: legacy-rise 0.8s ease both;
}

@keyframes legacy-rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.table {
    color: var(--legacy-text);
    background: transparent;
}

.table thead th {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

.table tbody td {
    border-color: rgba(255, 255, 255, 0.06);
}

.alert {
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--legacy-radius);
}

@media (max-width: 991.98px) {
    .hero-modern {
        padding-top: 5.5rem;
    }

    .navbar-modern .container {
        gap: 0.75rem;
    }

    .navbar-collapse {
        width: 100%;
    }

    .navbar-modern .ms-auto {
        width: 100%;
        align-items: stretch !important;
        flex-direction: column;
    }

    .navbar-nav.navbar-nav-right {
        margin-top: 1rem;
        gap: 0.35rem;
        width: 100%;
    }

    .navbar-nav.navbar-nav-right .nav-item {
        width: 100%;
    }

    .nav-link-modern {
        display: block;
        width: 100%;
        padding: 0.85rem 1rem;
    }

    .auth-buttons {
        width: 100%;
    }

    .auth-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 767.98px) {
    .hero-modern {
        padding: 4.5rem 0 3rem;
    }

    .hero-title {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .btn,
    .btn-lg {
        width: 100%;
    }

    .hero-actions,
    .footer-buttons,
    .auth-buttons {
        display: grid !important;
        gap: 0.75rem;
    }

    .hero-actions .btn,
    .footer-buttons .btn,
    .auth-buttons .btn {
        width: 100%;
    }

    .stats-section .stats-card {
        min-height: auto;
    }

    .card-modern,
    .news-card,
    .reseller-card,
    .service-item {
        border-radius: 18px;
    }

    .footer-modern .row > [class*='col-'] {
        margin-bottom: 1.25rem;
    }
}