.btn {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border-radius: var(--radius-sm);
    font-weight: 750;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary-trade {
    color: var(--color-white);
    border: 0;
    background: var(--gradient-primary);
    box-shadow: 0 14px 35px rgba(38, 107, 255, 0.28);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.24);
}

.btn-primary-trade:hover,
.btn-primary-trade:focus {
    color: var(--color-white);
    box-shadow: 0 18px 45px rgba(56, 215, 255, 0.28);
}

.btn-ghost {
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.24);
    background: rgba(255, 255, 255, 0.06);
}

.btn-ghost:hover,
.btn-ghost:focus {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.42);
    background: rgba(255, 255, 255, 0.1);
}

.btn-glass {
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
}

.btn-glass:hover,
.btn-glass:focus {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.13);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--color-blue);
    font-weight: 750;
}

.text-link:hover {
    color: var(--color-ink);
}

.site-header {
    padding: 1rem 0;
    transition: background var(--transition), padding var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
    padding: 0.55rem 0;
}

.site-header .container-xl {
    padding: 0.58rem 0.85rem 0.58rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(18px);
    transition: padding var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.site-header.is-scrolled .container-xl {
    padding-top: 0.42rem;
    padding-bottom: 0.42rem;
    background: rgba(255, 255, 255, 0.98);
    border-color: rgba(255, 255, 255, 0.88);
    box-shadow: 0 16px 44px rgba(7, 17, 31, 0.18);
}

.navbar {
    padding: 0;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    max-width: min(220px, 52vw);
    color: var(--color-ink);
    padding: 0.15rem 0.35rem;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    transition: opacity var(--transition);
}

.brand-mark:hover {
    color: var(--color-ink);
    opacity: 0.92;
}

.site-header.is-scrolled .brand-mark {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}

.brand-logo {
    display: block;
    width: auto;
    max-width: 100%;
    height: 54px;
    object-fit: contain;
}

.brand-logo-mobile {
    height: 48px;
}

.navbar-nav .nav-link {
    position: relative;
    color: rgba(7, 17, 31, 0.72);
    font-size: 0.94rem;
    font-weight: 700;
    padding: 0.7rem 0.8rem;
}

.navbar-nav .nav-link::after {
    content: "";
    position: absolute;
    right: 0.8rem;
    bottom: 0.45rem;
    left: 0.8rem;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--color-blue);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}

.navbar-toggler {
    border: 1px solid rgba(19, 44, 113, 0.18);
    background: rgba(19, 44, 113, 0.06);
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    filter: none;
}

.site-header .btn-ghost {
    color: var(--color-blue);
    border-color: rgba(19, 44, 113, 0.2);
    background: rgba(19, 44, 113, 0.055);
}

.site-header .btn-ghost:hover,
.site-header .btn-ghost:focus {
    color: var(--color-white);
    border-color: var(--color-blue);
    background: var(--color-blue);
}

.mobile-nav {
    color: var(--color-white);
    background: #07111f;
}

.mobile-nav .offcanvas-title {
    max-width: min(220px, 70vw);
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
    background: var(--color-white);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
}

.mobile-nav .brand-logo-mobile {
    width: auto;
    max-width: 100%;
    height: 46px;
    object-fit: contain;
}

.mobile-nav .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.76);
}

.mobile-nav .navbar-nav .nav-link:hover,
.mobile-nav .navbar-nav .nav-link.active {
    color: var(--color-white);
}

.mobile-actions {
    display: grid;
    gap: 0.8rem;
    margin-top: 2rem;
}

.feature-card,
.info-card,
.blog-card,
.notice-card,
.tech-card {
    height: 100%;
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.feature-card:hover,
.info-card:hover,
.blog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(38, 107, 255, 0.22);
    box-shadow: 0 24px 70px rgba(13, 31, 53, 0.16);
}

.feature-card i,
.notice-card i {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    color: var(--color-ink);
    border-radius: var(--radius-sm);
    background: var(--gradient-primary);
}

.feature-card p,
.info-card p,
.blog-card p,
.notice-card p,
.tech-card p {
    color: var(--color-muted);
    margin-bottom: 0;
}

.blog-card span {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--color-blue);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.site-footer {
    color: rgba(255, 255, 255, 0.72);
    background: #050d18;
    padding: clamp(3rem, 6vw, 5rem) 0 2rem;
}

.footer-main {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.footer-brand {
    margin-bottom: 1.2rem;
}

.footer-copy {
    max-width: 25rem;
}

.company-small {
    color: var(--color-white);
    font-weight: 750;
}

.site-footer h2 {
    margin-bottom: 1rem;
    color: var(--color-white);
    font-size: 0.9rem;
}

.site-footer a {
    display: block;
    margin-bottom: 0.7rem;
    color: rgba(255, 255, 255, 0.7);
}

.site-footer a:hover {
    color: var(--color-cyan);
}

.footer-contact,
.footer-bottom {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-contact span {
    display: block;
    color: rgba(255, 255, 255, 0.44);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.footer-contact p,
.footer-bottom p {
    margin-bottom: 0;
}

.footer-disclaimer {
    margin-top: 0;
    padding: 1.35rem;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
}

.footer-divider {
    margin: 2rem 0 1rem;
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    opacity: 1;
}

.footer-disclaimer h2 {
    margin-bottom: 0.75rem;
}

.footer-disclaimer p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.58);
    font-size: 0.86rem;
    line-height: 1.65;
}

.footer-disclaimer strong {
    color: rgba(255, 255, 255, 0.82);
}

.footer-bottom {
    grid-template-columns: 1fr 1fr;
    margin-top: 1.5rem;
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.88rem;
}