/* =========================
   DESIGN SYSTEM
   ========================= */
:root {
    --accent: #3a86ff;
    --accent-glow: rgba(58,134,255,0.25);

    --bg-main: #f5f7fa;
    --bg-card: #ffffff;
    --bg-soft: #eef2f7;

    --text-main: #1e293b;
    --text-muted: #64748b;

    --radius-sm: 0.8rem;
    --radius-md: 1.4rem;
    --radius-lg: 2.2rem;

    --shadow-sm: 0 6px 20px rgba(15,23,42,0.06);
    --shadow-md: 0 16px 40px rgba(15,23,42,0.1);
    --shadow-accent: 0 20px 45px rgba(58,134,255,0.25);
}

/* =========================
   BASE / BACKGROUND
   ========================= */
body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background:
        radial-gradient(circle at 20% 20%, rgba(58,134,255,0.08), transparent 40%),
        radial-gradient(circle at 80% 0%, rgba(99,102,241,0.06), transparent 35%),
        var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }

/* =========================
   NAVBAR (GLOBAL)
   ========================= */
.navbar {
    background: rgba(255,255,255,0.75) !important;
    backdrop-filter: blur(14px) saturate(1.2);
    border-bottom: 1px solid rgba(15,23,42,0.05);
}

.navbar-brand {
    letter-spacing: 1px;
}

.navbar-brand span {
    text-shadow: 0 0 12px var(--accent-glow);
}

/* =========================
   BUTTONS
   ========================= */
.btn {
    border-radius: 999px;
    padding: 0.6rem 1.4rem;
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(135deg, #3a86ff, #5fa8ff);
    border: none;
    box-shadow: 0 8px 20px rgba(58,134,255,0.35);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 30px rgba(58,134,255,0.45);
}

.btn-outline-primary {
    border: 1px solid var(--accent);
    color: var(--accent);
}

.btn-outline-primary:hover {
    background: var(--accent);
    color: #fff;
}