/* RESET & BASE */
:root {
    --canvas-bg: #f8f9fa;
    --primary: #005a9e;
    --primary-hover: #004578;
    --secondary: #0078d4;
    --text-main: #24292f;
    --text-muted: #5c6c75;
    --card-bg: rgba(255, 255, 255, 0.85);
    --border-light: rgba(0, 0, 0, 0.05);
    --radius-lg: 12px;
    --radius-md: 8px;
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.04);
    --dark-bg: #111827;
    --dark-card: #1f2937;
    --dark-text: #f9fafb;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: "Segoe UI", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--canvas-bg);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img, svg { max-width: 100%; height: auto; display: block; }

/* TYPOGRAPHY */
h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1.1; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 1.5rem; }
h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.2; font-weight: 600; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }
.eyebrow { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 1rem; }
.supporting-text { font-size: 1.125rem; color: var(--text-muted); margin-bottom: 2rem; max-width: 500px; }
.trust-microcopy { font-size: 0.875rem; color: var(--text-muted); margin-top: 1.5rem; }

/* LAYOUT */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 5rem 0; }
.bg-light { background-color: #ffffff; }
.bg-dark { background-color: var(--dark-bg); color: var(--dark-text); }
.text-center { text-align: center; }

/* COMPONENTS */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}
.btn-primary { background-color: var(--primary); color: #fff; border: 1px solid var(--primary); }
.btn-primary:hover { background-color: var(--primary-hover); }
.btn-secondary { background-color: transparent; color: var(--text-main); border: 1px solid #d1d5db; }
.btn-secondary:hover { background-color: rgba(0,0,0,0.03); }

/* HEADER */
.site-header {
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 0.5rem; font-weight: 600; font-size: 1.25rem; }
.desktop-nav { display: none; gap: 2rem; }
.desktop-nav a { font-size: 0.95rem; font-weight: 500; color: var(--text-muted); }
.desktop-nav a:hover { color: var(--text-main); }
@media (min-width: 768px) { .desktop-nav { display: flex; } }

/* HERO */
.hero { padding: 4rem 0 6rem; overflow: hidden; }
.hero-grid { display: grid; gap: 4rem; align-items: center; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.dashboard-svg { width: 100%; height: auto; filter: drop-shadow(0 20px 30px rgba(0,0,0,0.07)); }
@media (min-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr 1fr; }
}

/* SECTION HEADERS */
.section-header { max-width: 700px; margin-bottom: 4rem; }
.section-header p { font-size: 1.125rem; color: var(--text-muted); }
.bg-dark .section-header p { color: #9ca3af; }

/* GRID & CARDS */
.grid { display: grid; gap: 2rem; }
.categories-grid { grid-template-columns: 1fr; }
@media (min-width: 768px) { .categories-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .categories-grid { grid-template-columns: repeat(3, 1fr); } }

.fluent-card {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(8px);
    transition: transform 0.2s;
}
.fluent-card:hover { transform: translateY(-3px); }
.card-number { font-size: 0.875rem; font-weight: 600; color: var(--secondary); margin-bottom: 1rem; display: block; }
.card-link { font-weight: 600; color: var(--primary); display: inline-block; margin-top: 1rem; font-size: 0.95rem; }
.card-link:hover { text-decoration: underline; }

.features-grid { grid-template-columns: 1fr; }
@media (min-width: 768px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }
.feature-block h3 { color: var(--primary); }

.context-grid { grid-template-columns: 1fr; }
@media (min-width: 768px) { .context-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .context-grid { grid-template-columns: repeat(3, 1fr); } }

.dark-card {
    background: var(--dark-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}
.dark-card p { color: #9ca3af; font-size: 0.95rem; margin-bottom: 0; }

/* VISUAL SECTION */
.visual-grid { display: grid; gap: 3rem; align-items: center; }
.visual-image img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; aspect-ratio: 16/9; box-shadow: var(--shadow-soft); }
@media (min-width: 1024px) {
    .visual-grid { grid-template-columns: 55% 45%; }
}

/* COMPACT CTA */
.compact-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin: 2rem 0; }
.compact-links a { background: #fff; border: 1px solid #e5e7eb; padding: 0.5rem 1rem; border-radius: 20px; font-size: 0.875rem; color: var(--text-muted); }
.compact-links a:hover { border-color: var(--primary); color: var(--primary); }
.cta-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* FOOTER */
.site-footer { background: #fff; padding: 4rem 0 2rem; border-top: 1px solid var(--border-light); }
.footer-grid { display: grid; gap: 2rem; border-bottom: 1px solid var(--border-light); padding-bottom: 2rem; margin-bottom: 2rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1fr auto; } }
.footer-brand p { color: var(--text-muted); font-size: 0.875rem; margin-top: 0.5rem; }
.footer-links { display: flex; gap: 1.5rem; align-items: center; }
.footer-links a { color: var(--text-muted); font-size: 0.875rem; }
.footer-disclosure p { font-size: 0.75rem; color: #6b7280; margin: 0; }