:root { --sm-blue: #003d9b; --sm-blue-light: #1a5fc7; --sm-blue-dark: #002b6e; --sm-accent: #556ee6; --sm-orange: #f59e0b; --sm-bg: #f8fafc; --sm-card: #ffffff; --sm-text: #0f172a; --sm-muted: #64748b; --sm-border: #e2e8f0; }

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

body.landing-page { font-family: 'DM Sans', sans-serif; background: var(--sm-bg); color: var(--sm-text); overflow-x: hidden; -webkit-font-smoothing: antialiased; }

/* NAV */
.sm-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--sm-border); padding: 0 2rem; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.sm-nav-logo { height: 28px; }
.sm-nav-links { display: flex; gap: 2rem; align-items: center; }
    .sm-nav-links a { color: var(--sm-muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color .2s; }
        .sm-nav-links a:hover { color: var(--sm-blue); }
.sm-nav-cta { background: var(--sm-blue); color: #fff !important; padding: 8px 20px; border-radius: 6px; font-weight: 600; transition: background .2s; }
    .sm-nav-cta:hover { background: var(--sm-blue-light); color: #fff !important; }

/* HERO */
.sm-hero { padding: 140px 2rem 80px; text-align: center; position: relative; overflow: hidden; }
    .sm-hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 50% 0%, rgba(85,110,230,0.08) 0%, transparent 60%), radial-gradient(ellipse at 80% 80%, rgba(0,61,155,0.05) 0%, transparent 50%); pointer-events: none; }
.sm-hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(85,110,230,0.1); color: var(--sm-accent); padding: 6px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; margin-bottom: 24px; }
.sm-hero h1 { font-family: 'Instrument Serif', serif; font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.15; max-width: 800px; margin: 0 auto 20px; color: var(--sm-text); }
    .sm-hero h1 em { font-style: italic; color: var(--sm-blue); }
.sm-hero p { font-size: 18px; color: var(--sm-muted); max-width: 600px; margin: 0 auto 36px; line-height: 1.7; }
.sm-hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.sm-btn-primary {
    background: var(--sm-blue);
    color: #fff !important;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all .2s;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,61,155,0.25);
}
    .sm-btn-primary:hover {
        background: var(--sm-blue-light);
        color: #fff !important;
        transform: translateY(-1px);
        box-shadow: 0 4px 16px rgba(0,61,155,0.3);
    }
.sm-btn-outline { background: transparent; color: var(--sm-text); padding: 14px 32px; border-radius: 8px; font-size: 15px; font-weight: 600; text-decoration: none; border: 1.5px solid var(--sm-border); transition: all .2s; }
    .sm-btn-outline:hover { border-color: var(--sm-blue); color: var(--sm-blue); }

/* PLATFORM STRIP */
.sm-platforms { text-align: center; padding: 40px 2rem 60px; }
    .sm-platforms p { font-size: 13px; text-transform: uppercase; letter-spacing: 2px; color: var(--sm-muted); font-weight: 600; margin-bottom: 24px; }
.sm-platform-icons { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; align-items: center; opacity: 0.5; }
    .sm-platform-icons i { font-size: 32px; color: var(--sm-muted); }
    .sm-platform-icons span { font-size: 14px; font-weight: 700; color: var(--sm-muted); letter-spacing: 1px; }

/* FEATURES GRID */
.sm-features { padding: 80px 2rem; max-width: 1200px; margin: 0 auto; }
.sm-features-header { text-align: center; margin-bottom: 60px; }
    .sm-features-header h2 { font-family: 'Instrument Serif', serif; font-size: clamp(2rem, 3.5vw, 2.8rem); margin-bottom: 16px; }
    .sm-features-header p { color: var(--sm-muted); font-size: 16px; max-width: 550px; margin: 0 auto; }
.sm-features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.sm-feature-card { background: var(--sm-card); border: 1px solid var(--sm-border); border-radius: 12px; padding: 32px; transition: all .25s; position: relative; overflow: hidden; }
    .sm-feature-card:hover { border-color: var(--sm-accent); box-shadow: 0 8px 32px rgba(85,110,230,0.1); transform: translateY(-2px); }
.sm-feature-icon { width: 48px; height: 48px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 20px; }
    .sm-feature-icon.blue { background: rgba(0,61,155,0.1); color: var(--sm-blue); }
    .sm-feature-icon.purple { background: rgba(85,110,230,0.1); color: var(--sm-accent); }
    .sm-feature-icon.orange { background: rgba(245,158,11,0.1); color: var(--sm-orange); }
    .sm-feature-icon.green { background: rgba(16,185,129,0.1); color: #10b981; }
    .sm-feature-icon.red { background: rgba(239,68,68,0.1); color: #ef4444; }
    .sm-feature-icon.teal { background: rgba(20,184,166,0.1); color: #14b8a6; }
.sm-feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.sm-feature-card p { font-size: 14px; color: var(--sm-muted); line-height: 1.65; }

/* DATA ACCESS SECTION */
.sm-data-section { padding: 80px 2rem; background: linear-gradient(180deg, #f1f5f9 0%, var(--sm-bg) 100%); }
.sm-data-inner { max-width: 900px; margin: 0 auto; text-align: center; }
    .sm-data-inner h2 { font-family: 'Instrument Serif', serif; font-size: clamp(2rem, 3.5vw, 2.8rem); margin-bottom: 16px; }
    .sm-data-inner > p { color: var(--sm-muted); font-size: 16px; max-width: 650px; margin: 0 auto 40px; line-height: 1.7; }
.sm-data-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; text-align: left; }
.sm-data-card { background: var(--sm-card); border: 1px solid var(--sm-border); border-radius: 10px; padding: 24px; }
    .sm-data-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
    .sm-data-card p { font-size: 13px; color: var(--sm-muted); line-height: 1.6; }
    .sm-data-card .dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
        .sm-data-card .dot.blue { background: var(--sm-blue); }
        .sm-data-card .dot.green { background: #10b981; }
        .sm-data-card .dot.orange { background: var(--sm-orange); }

/* ECOSYSTEM */
.sm-ecosystem { padding: 80px 2rem; max-width: 1100px; margin: 0 auto; }
.sm-ecosystem-header { text-align: center; margin-bottom: 48px; }
    .sm-ecosystem-header h2 { font-family: 'Instrument Serif', serif; font-size: clamp(2rem, 3.5vw, 2.8rem); margin-bottom: 12px; }
    .sm-ecosystem-header p { color: var(--sm-muted); font-size: 16px; }
.sm-eco-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.sm-eco-item { background: var(--sm-card); border: 1px solid var(--sm-border); border-radius: 10px; padding: 20px; text-align: center; transition: all .2s; }
    .sm-eco-item:hover { border-color: var(--sm-accent); }
    .sm-eco-item i { font-size: 24px; color: var(--sm-accent); margin-bottom: 10px; display: block; }
    .sm-eco-item h4 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
    .sm-eco-item p { font-size: 12px; color: var(--sm-muted); }

/* FOOTER */
.sm-footer { border-top: 1px solid var(--sm-border); padding: 40px 2rem; text-align: center; }
.sm-footer-links { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-bottom: 16px; }
    .sm-footer-links a { color: var(--sm-muted); text-decoration: none; font-size: 13px; font-weight: 500; }
        .sm-footer-links a:hover { color: var(--sm-blue); }
.sm-footer p { color: var(--sm-muted); font-size: 12px; }

/* RESPONSIVE */
@media (max-width: 768px) {
    .sm-nav-links { gap: 1rem; }
        .sm-nav-links a:not(.sm-nav-cta) { display: none; }
    .sm-hero { padding: 120px 1.5rem 60px; }
    .sm-features-grid { grid-template-columns: 1fr; }
    .sm-platform-icons { gap: 24px; }
}

/* ANIMATIONS */
.sm-fade-up { opacity: 0; transform: translateY(20px); animation: smFadeUp 0.6s ease forwards; }
.sm-fade-up-d1 { animation-delay: 0.1s; }
.sm-fade-up-d2 { animation-delay: 0.2s; }
.sm-fade-up-d3 { animation-delay: 0.3s; }
.sm-fade-up-d4 { animation-delay: 0.4s; }

@keyframes smFadeUp {
    to { opacity: 1; transform: translateY(0); }
}