:root {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: #ffffff;
    color: #0f172a;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    letter-spacing: -0.025em;
}

.dark-blue-gradient {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
}

.blue-gradient {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.glass-card {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.atmosphere {
    background: radial-gradient(circle at 50% 30%, rgba(37, 99, 235, 0.08) 0%, transparent 60%),
                radial-gradient(circle at 10% 80%, rgba(14, 165, 233, 0.08) 0%, transparent 50%);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

@keyframes marquee2 {
    0% { transform: translateX(100%); }
    100% { transform: translateX(0); }
}

.animate-marquee { animation: marquee 30s linear infinite; }
.animate-marquee2 { animation: marquee2 30s linear infinite; }

/* Utility GSAP Hide/Show before JS runs */
.gsap-animate { visibility: hidden; }

/* =========================================================
   Fallback cho Blog Content do Tailwind CDN không tải Typography
   ========================================================= */
.prose {
    font-size: 1.125rem;
    line-height: 1.6;
}
.prose p {
    margin-bottom: 1em;
}
.prose h1, .prose h2, .prose h3, .prose h4 {
    color: #0f172a;
    font-weight: 700;
    line-height: 1.3;
}
.prose h1 {
    font-size: 2.25em;
    margin-top: 0;
    margin-bottom: 0.8888889em;
}
.prose h2 {
    font-size: 1.5em;
    margin-top: 2em;
    margin-bottom: 1em;
}
.prose h3 {
    font-size: 1.25em;
    margin-top: 1.6em;
    margin-bottom: 0.6em;
}
.prose a {
    color: #2563eb;
    text-decoration: underline;
    font-weight: 500;
}
.prose a:hover {
    color: #1d4ed8;
}
.prose ul {
    list-style-type: disc;
    padding-left: 1.625em;
    margin-bottom: 1.25em;
}
.prose ol {
    list-style-type: decimal;
    padding-left: 1.625em;
    margin-bottom: 1.25em;
}
.prose li {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}
.prose blockquote {
    font-style: italic;
    color: #475569;
    background-color: #f8fafc;
    border: 1px solid #f1f5f9;
    padding: 2rem;
    border-radius: 1rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}
.prose img {
    margin-top: 2em;
    margin-bottom: 2em;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}