/* =========================================
   BEVONA TRADE — Dark + Blue Theme
   ========================================= */

:root {
    --bt-dark:      #0a0e1a;
    --bt-dark2:     #111827;
    --bt-dark3:     #1a2235;
    --bt-card:      #151d2e;
    --bt-blue:      #1e6fe8;
    --bt-blue-lt:   #3b8af2;
    --bt-blue-glow: rgba(30, 111, 232, 0.25);
    --bt-accent:    #00d4ff;
    --bt-text:      #e2e8f0;
    --bt-muted:     #8899b0;
    --bt-border:    #1e2d47;
    --bt-success:   #10b981;
    --bt-danger:    #ef4444;
}

*, *::before, *::after { box-sizing: border-box; }

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: var(--bt-dark);
    color: var(--bt-text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
}

/* ---- NAVBAR ---- */
.bt-navbar {
    background: rgba(10, 14, 26, 0.97);
    border-bottom: 1px solid var(--bt-border);
    backdrop-filter: blur(12px);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.bt-navbar .navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff !important;
    letter-spacing: -0.5px;
}

.bt-navbar .navbar-brand span {
    color: var(--bt-blue-lt);
}

.bt-navbar .nav-link {
    color: var(--bt-text) !important;
    font-weight: 500;
    padding: 0.4rem 0.9rem !important;
    border-radius: 6px;
    transition: all 0.2s;
}

.bt-navbar .nav-link:hover,
.bt-navbar .nav-link.active {
    color: #fff !important;
    background: var(--bt-blue-glow);
}

.bt-navbar .navbar-toggler {
    border-color: var(--bt-border);
}

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

.bt-btn-primary {
    background: var(--bt-blue);
    border: none;
    color: #fff;
    padding: 0.55rem 1.4rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.bt-btn-primary:hover {
    background: var(--bt-blue-lt);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--bt-blue-glow);
}

.bt-btn-outline {
    background: transparent;
    border: 1px solid var(--bt-blue);
    color: var(--bt-blue-lt);
    padding: 0.55rem 1.4rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.bt-btn-outline:hover {
    background: var(--bt-blue-glow);
    color: #fff;
}

/* ---- HERO ---- */
.bt-hero {
    background: linear-gradient(135deg, var(--bt-dark) 0%, var(--bt-dark3) 60%, #0f1e3a 100%);
    padding: 6rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.bt-hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(30, 111, 232, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.bt-hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.2rem;
}

.bt-hero h1 .highlight {
    color: var(--bt-accent);
}

.bt-hero p.lead {
    font-size: 1.15rem;
    color: var(--bt-muted);
    max-width: 540px;
    margin-bottom: 2rem;
}

.bt-hero-badges {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.bt-badge {
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: 50px;
    padding: 0.35rem 1rem;
    font-size: 0.82rem;
    color: var(--bt-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.bt-badge .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--bt-success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ---- MOCK CHART ---- */
.bt-chart-mock {
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.bt-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.bt-chart-pair {
    font-weight: 700;
    font-size: 1.1rem;
}

.bt-chart-price {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--bt-success);
}

.bt-chart-svg {
    width: 100%;
    height: 180px;
}

.bt-chart-footer {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.bt-trade-btn {
    flex: 1;
    padding: 0.6rem;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
}

.bt-trade-buy  { background: var(--bt-success); color: #fff; }
.bt-trade-sell { background: var(--bt-danger);  color: #fff; }

/* ---- SECTIONS ---- */
.bt-section {
    padding: 5rem 0;
}

.bt-section-dark {
    background: var(--bt-dark2);
}

.bt-section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.bt-section-sub {
    color: var(--bt-muted);
    font-size: 1.05rem;
    margin-bottom: 3rem;
}

.bt-label {
    color: var(--bt-blue-lt);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 0.5rem;
    display: block;
}

/* ---- CARDS ---- */
.bt-card {
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: 14px;
    padding: 1.75rem;
    height: 100%;
    transition: border-color 0.25s, transform 0.25s;
}

.bt-card:hover {
    border-color: var(--bt-blue);
    transform: translateY(-3px);
}

.bt-card-icon {
    width: 52px;
    height: 52px;
    background: var(--bt-blue-glow);
    border: 1px solid var(--bt-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.bt-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.bt-card p {
    color: var(--bt-muted);
    font-size: 0.92rem;
    margin: 0;
}

/* ---- STATS ---- */
.bt-stat {
    text-align: center;
    padding: 2rem 1rem;
}

.bt-stat-num {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--bt-blue-lt);
    line-height: 1;
}

.bt-stat-label {
    color: var(--bt-muted);
    font-size: 0.9rem;
    margin-top: 0.4rem;
}

/* ---- STEPS ---- */
.bt-step {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
    align-items: flex-start;
}

.bt-step-num {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bt-blue);
    color: #fff;
    font-weight: 800;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 4px var(--bt-blue-glow);
}

.bt-step-body h5 {
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.bt-step-body p {
    color: var(--bt-muted);
    margin: 0;
    font-size: 0.95rem;
}

/* ---- BLOG CARDS ---- */
.bt-blog-card {
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color 0.25s, transform 0.25s;
    text-decoration: none;
    display: block;
    color: var(--bt-text);
    height: 100%;
}

.bt-blog-card:hover {
    border-color: var(--bt-blue);
    transform: translateY(-3px);
    color: var(--bt-text);
}

.bt-blog-thumb {
    height: 180px;
    background: linear-gradient(135deg, var(--bt-dark3), #0f1e3a);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.bt-blog-body {
    padding: 1.25rem;
}

.bt-blog-cat {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--bt-blue-lt);
    margin-bottom: 0.5rem;
}

.bt-blog-body h5 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.bt-blog-body p {
    color: var(--bt-muted);
    font-size: 0.88rem;
    margin: 0;
}

.bt-blog-meta {
    color: var(--bt-muted);
    font-size: 0.8rem;
    margin-top: 1rem;
}

/* ---- LEGAL PAGES ---- */
.bt-legal {
    max-width: 820px;
    margin: 0 auto;
    padding: 3rem 1rem 5rem;
}

.bt-legal h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.bt-legal .last-updated {
    color: var(--bt-muted);
    font-size: 0.88rem;
    margin-bottom: 2.5rem;
}

.bt-legal h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bt-blue-lt);
    margin: 2rem 0 0.75rem;
}

.bt-legal p,
.bt-legal li {
    color: #c4cfd9;
    line-height: 1.75;
}

.bt-legal ul {
    padding-left: 1.5rem;
}

.bt-legal ul li {
    margin-bottom: 0.4rem;
}

/* ---- DOWNLOAD PAGE ---- */
.bt-download-hero {
    text-align: center;
    padding: 5rem 1rem;
    background: linear-gradient(135deg, var(--bt-dark) 0%, var(--bt-dark3) 100%);
}

.bt-platform-card {
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: border-color 0.25s;
}

.bt-platform-card:hover {
    border-color: var(--bt-blue);
}

.bt-platform-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* ---- ACCOUNT DELETE ---- */
.bt-form-card {
    background: var(--bt-card);
    border: 1px solid var(--bt-border);
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 560px;
    margin: 0 auto;
}

.bt-form-label {
    color: var(--bt-muted);
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.bt-form-control {
    background: var(--bt-dark3);
    border: 1px solid var(--bt-border);
    border-radius: 8px;
    color: var(--bt-text);
    padding: 0.65rem 1rem;
    width: 100%;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.bt-form-control:focus {
    outline: none;
    border-color: var(--bt-blue);
    background: var(--bt-dark3);
}

.bt-alert-danger {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    color: #fca5a5;
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
}

/* ---- FOOTER ---- */
.bt-footer {
    background: var(--bt-dark2);
    border-top: 1px solid var(--bt-border);
    padding: 4rem 0 2rem;
    color: var(--bt-muted);
    font-size: 0.9rem;
}

.bt-footer-brand {
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.75rem;
}

.bt-footer-brand span { color: var(--bt-blue-lt); }

.bt-footer-desc {
    color: var(--bt-muted);
    max-width: 280px;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.bt-footer h6 {
    color: #fff;
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.bt-footer ul li {
    margin-bottom: 0.5rem;
}

.bt-footer ul li a {
    color: var(--bt-muted);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.9rem;
}

.bt-footer ul li a:hover { color: var(--bt-blue-lt); }

.bt-footer-bottom {
    border-top: 1px solid var(--bt-border);
    margin-top: 3rem;
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.bt-footer-bottom a {
    color: var(--bt-muted);
    text-decoration: none;
}

.bt-footer-bottom a:hover { color: var(--bt-blue-lt); }

/* ---- CONTACT INFO ---- */
.bt-contact-item {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.bt-contact-icon {
    width: 46px;
    height: 46px;
    background: var(--bt-blue-glow);
    border: 1px solid var(--bt-blue);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.bt-contact-item strong {
    color: #fff;
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.2rem;
}

.bt-contact-item a,
.bt-contact-item span {
    color: var(--bt-muted);
    text-decoration: none;
    font-size: 0.95rem;
}

.bt-contact-item a:hover { color: var(--bt-blue-lt); }

/* ---- BREADCRUMB ---- */
.bt-breadcrumb {
    background: var(--bt-dark2);
    padding: 1rem 0;
    border-bottom: 1px solid var(--bt-border);
}

.bt-breadcrumb a {
    color: var(--bt-muted);
    text-decoration: none;
    font-size: 0.88rem;
}

.bt-breadcrumb a:hover { color: var(--bt-blue-lt); }

.bt-breadcrumb span {
    color: var(--bt-muted);
    font-size: 0.88rem;
    margin: 0 0.4rem;
}

.bt-breadcrumb .current {
    color: var(--bt-text);
    font-size: 0.88rem;
}

/* ---- TABLE ---- */
.bt-table {
    width: 100%;
    border-collapse: collapse;
}

.bt-table th {
    background: var(--bt-dark3);
    color: var(--bt-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--bt-border);
}

.bt-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--bt-border);
    color: var(--bt-text);
    font-size: 0.92rem;
}

.bt-table tr:last-child td { border-bottom: none; }

/* ---- UTILITIES ---- */
.text-accent  { color: var(--bt-accent); }
.text-blue    { color: var(--bt-blue-lt); }
.text-muted-c { color: var(--bt-muted); }
.text-success-c { color: var(--bt-success); }
.text-danger-c  { color: var(--bt-danger); }
.divider { border-top: 1px solid var(--bt-border); margin: 2rem 0; }

@media (max-width: 768px) {
    .bt-hero { padding: 3.5rem 0 3rem; }
    .bt-section { padding: 3rem 0; }
    .bt-footer { padding: 3rem 0 1.5rem; }
    .bt-legal { padding: 2rem 1rem 4rem; }
}