/* BitTrust Crypto Styles */
.bittrust-crypto-page {
    font-family: 'Inter', sans-serif;
}

/* Typography */
.bittrust-crypto-page h1, .bittrust-crypto-page h2, .bittrust-crypto-page h3 {
    font-family: 'Poppins', sans-serif;
    margin-top: 0;
}
.bt-text-dark { color: #0F172A; }
.bt-text-dark-muted { color: #475569; }
.bt-text-light { color: #F8FAFC; }
.bt-text-light-muted { color: #CBD5E1; }
.bt-text-white { color: #ffffff !important; }
.bt-text-center { text-align: center; }

/* Backgrounds */
.bt-primary-bg { background: #1A2235; }
.bt-light-bg { background: #F5F7FA; }

.bt-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.bt-section {
    padding: 80px 20px;
}

/* Hero */
.bt-hero {
    padding: 90px 20px; /* Reduced from 100px */
}
.bt-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
}
.bt-placeholder-visual {
    height: 420px; /* slightly larger */
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    color: rgba(255,255,255,0.5);
}
.bt-placeholder-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    background: #E0A100;
    filter: blur(100px);
    opacity: 0.2;
    border-radius: 50%;
}
.bt-hero-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.bt-label {
    text-transform: uppercase;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
    display: inline-block;
}
.bt-h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #F8FAFC;
}
.bt-desc {
    font-size: 1.125rem;
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.6;
}
.bt-desc-center {
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto 50px;
    line-height: 1.6;
    text-align: center;
}

/* Buttons */
.bt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}
.bt-btn-sm {
    padding: 12px 24px;
    font-size: 0.95rem;
}
.bt-btn-primary {
    background: #E0A100;
    color: #1A2235;
}
.bt-btn-primary:hover {
    box-shadow: 0 0 15px rgba(224, 161, 0, 0.5);
    color: #1A2235;
}
.bt-btn-secondary {
    background: rgba(255,255,255,0.05);
    color: #F8FAFC;
    border: 1px solid rgba(255,255,255,0.1);
    margin-left: 15px;
}
.bt-btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: #E0A100;
    color: #fff;
}
.bt-btn-outline-dark {
    background: transparent;
    color: #0F172A;
    border: 1px solid #0F172A;
}
.bt-btn-outline-dark:hover {
    background: #0F172A;
    color: #fff;
}
.bt-hero-btns { display: flex; flex-wrap: wrap; gap: 15px; }
.bt-hero-btns .bt-btn-secondary { margin-left: 0; }

.bt-h2 {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 40px;
}

/* Grids */
.bt-grid {
    display: grid;
    gap: 24px;
}
.bt-grid-crypto { grid-template-columns: repeat(4, 1fr); }
.bt-grid-why { grid-template-columns: repeat(3, 1fr); }
.bt-grid-how { grid-template-columns: repeat(4, 1fr); }
.bt-grid-loc { grid-template-columns: repeat(4, 1fr); }
.bt-grid-otc { grid-template-columns: repeat(2, 1fr); }

.bt-otc-split {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: center;
}

/* Cards */
.bt-card {
    padding: 30px;
    border-radius: 12px;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.bt-dark-card {
    border: 1px solid rgba(255,255,255,0.05);
}
.bt-glass-dark {
    background: rgba(255,255,255,0.06); /* Lighter glass */
    backdrop-filter: blur(10px);
}
.bt-light-card {
    background: #ffffff;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
    border: 1px solid transparent;
}
.bt-card:hover {
    transform: translateY(-5px);
    border-color: #E0A100;
}
.bt-dark-card:hover {
    box-shadow: 0 10px 20px -5px rgba(224, 161, 0, 0.15);
}
.bt-light-card:hover {
    box-shadow: 0 10px 15px -3px rgba(224, 161, 0, 0.2);
}

.bt-crypto-card { text-align: center; justify-content: center; padding: 20px;}
.bt-crypto-card h3 { font-size: 1.5rem; margin-bottom: 5px; }
.bt-crypto-card p { font-size: 0.9rem; margin: 0; }

.bt-why-card { text-align: center; align-items: center; }
.bt-why-card h3 { font-size: 1.25rem; margin-bottom: 15px; }
.bt-why-card p { line-height: 1.6; margin: 0; flex-grow:1; }

.bt-step-num {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    display: block;
    margin-bottom: 15px;
}
.bt-how-card h3 { font-size: 1.25rem; margin-bottom: 15px; }
.bt-how-card p { line-height: 1.6; margin: 0; flex-grow:1;}

.bt-otc-card { padding: 25px; }
.bt-otc-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.bt-otc-card p { line-height: 1.5; margin: 0; font-size: 0.95rem; }

.bt-loc-card { align-items: flex-start; }
.bt-loc-card h3 { font-size: 1.25rem; margin-bottom: 15px; }
.bt-loc-card p { line-height: 1.6; margin: 0; flex-grow: 1; }

/* FAQ */
.bt-faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 15px;}
.bt-faq-item { padding: 25px; border-radius: 12px; }
.bt-faq-q { font-size: 1.1rem; margin-bottom: 10px; font-weight: 600; }
.bt-faq-a { line-height: 1.6; margin: 0; }

/* Responsive */
@media (max-width: 1024px) {
    .bt-hero { padding: 70px 20px; }
    .bt-hero-grid { grid-template-columns: 1fr; }
    .bt-otc-split { grid-template-columns: 1fr; }
    .bt-grid-crypto { grid-template-columns: repeat(2, 1fr); } /* Fixed tablet grid */
    .bt-grid-why { grid-template-columns: repeat(2, 1fr); }
    .bt-grid-how { grid-template-columns: repeat(2, 1fr); }
    .bt-grid-loc { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .bt-hero { padding: 50px 20px; }
    .bt-h1 { font-size: 2.2rem; }
    .bt-hero-btns { flex-direction: column; width: 100%; }
    .bt-hero-btns .bt-btn { width: 100%; }
    .bt-section { padding: 40px 20px; } /* Reduced section padding */
    .bt-grid-crypto { grid-template-columns: repeat(1, 1fr); } /* Stack on mobile */
    .bt-grid-why, .bt-grid-how, .bt-grid-loc, .bt-grid-otc { grid-template-columns: 1fr; }
}